diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 6b3e0a4730..9a458299dc 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -68,8 +68,7 @@
   },
   "forwardPorts": [
     2432, 3000, 3306, 3333, 4200, 4211, 5000, 5200, 5432, 5601, 7010, 7443, 7200, 7888, 8010, 8071,
-    8000, 8080, 8081, 8082, 8084, 8085, 8086, 8090, 8200, 8443, 8888, 8889, 9090, 9104, 9200, 9411,
-    27017, 18080
+    8000, 8080, 8081, 8082, 8084, 8085, 8086, 8090, 8200, 8888, 8889, 9090, 9104, 9200, 9411, 27017
   ],
   "portsAttributes": {
     "2432": {
@@ -164,10 +163,6 @@
       "label": "openchallenges-config-server",
       "onAutoForward": "silent"
     },
-    "8443": {
-      "label": "openchallenges-nifi",
-      "onAutoForward": "silent"
-    },
     "8888": {
       "label": "openchallenges-notebook",
       "onAutoForward": "silent"
@@ -195,10 +190,6 @@
     "27017": {
       "label": "agora-mongo",
       "onAutoForward": "silent"
-    },
-    "18080": {
-      "label": "openchallenges-nifi-registry",
-      "onAutoForward": "silent"
     }
   },
   "remoteUser": "vscode",
diff --git a/apps/openchallenges/challenge-service/src/main/resources/db/migration/V1.0.0__create_tables.sql b/apps/openchallenges/challenge-service/src/main/resources/db/migration/V1.0.0__create_tables.sql
index f8819ad45e..0a1bac2017 100644
--- a/apps/openchallenges/challenge-service/src/main/resources/db/migration/V1.0.0__create_tables.sql
+++ b/apps/openchallenges/challenge-service/src/main/resources/db/migration/V1.0.0__create_tables.sql
@@ -123,9 +123,3 @@ CREATE TABLE `challenge_category` (
   PRIMARY KEY (`id`),
   FOREIGN KEY (`challenge_id`) REFERENCES challenge (`id`)
 );
-
-CREATE TABLE `nifi_demo` (
-  `id` int NOT NULL AUTO_INCREMENT,
-  `name` varchar(120),
-  PRIMARY KEY (`id`)
-);
diff --git a/apps/openchallenges/nifi-registry/.env.example b/apps/openchallenges/nifi-registry/.env.example
deleted file mode 100644
index a17418ab2c..0000000000
--- a/apps/openchallenges/nifi-registry/.env.example
+++ /dev/null
@@ -1 +0,0 @@
-LOG_LEVEL=INFO
\ No newline at end of file
diff --git a/apps/openchallenges/nifi-registry/Dockerfile b/apps/openchallenges/nifi-registry/Dockerfile
deleted file mode 100644
index d5597ace44..0000000000
--- a/apps/openchallenges/nifi-registry/Dockerfile
+++ /dev/null
@@ -1,2 +0,0 @@
-FROM apache/nifi-registry:2.0.0
-
diff --git a/apps/openchallenges/nifi-registry/README.md b/apps/openchallenges/nifi-registry/README.md
deleted file mode 100644
index f65c2daa33..0000000000
--- a/apps/openchallenges/nifi-registry/README.md
+++ /dev/null
@@ -1,37 +0,0 @@
-# OpenChallenges NiFi Registry
-
-## Build the Docker image
-
-```console
-nx build-image openchallenges-nifi-registry
-```
-
-## Deploy the registry with Docker Compose
-
-```console
-nx serve-detach openchallenges-nifi-registry
-```
-
-## Access the registry UI
-
-In your browser, navigate to http://localhost:18080/nifi-registry.
-
-## Create a bucket
-
-From the registry home page:
-
-1. Click on the button "Settings" in the toolbar.
-2. Click on the button "NEW BUCKET".
-3. Enter the bucket information.
-   - Name: openchallenges
-4. Click on the button "CREATE".
-
-## Stop and remove the NiFi registry container
-
-```console
-docker rm -f openchallenges-nifi-registry
-```
-
-## Data persistence
-
-The data created in the registry are stored in a Docker volume.
diff --git a/apps/openchallenges/nifi-registry/nifi_demo-version-2.json b/apps/openchallenges/nifi-registry/nifi_demo-version-2.json
deleted file mode 100644
index 9836566d26..0000000000
--- a/apps/openchallenges/nifi-registry/nifi_demo-version-2.json
+++ /dev/null
@@ -1,1634 +0,0 @@
-{
-  "externalControllerServices": {},
-  "flowContents": {
-    "comments": "",
-    "componentType": "PROCESS_GROUP",
-    "connections": [
-      {
-        "backPressureDataSizeThreshold": "1 GB",
-        "backPressureObjectThreshold": 10000,
-        "bends": [],
-        "componentType": "CONNECTION",
-        "destination": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "fd86ff9c-c5c2-31ca-9aec-5d1419cc9455",
-          "instanceIdentifier": "c0755e5d-c0c0-3c01-e2b8-c8dfae3d7627",
-          "name": "PutDatabaseRecord",
-          "type": "PROCESSOR"
-        },
-        "flowFileExpiration": "0 sec",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "89233f07-e092-398d-b77b-88222396cb75",
-        "instanceIdentifier": "23f7959f-2d98-38f2-3f0b-283675a2b354",
-        "labelIndex": 0,
-        "loadBalanceCompression": "DO_NOT_COMPRESS",
-        "loadBalanceStrategy": "DO_NOT_LOAD_BALANCE",
-        "name": "",
-        "partitioningAttribute": "",
-        "prioritizers": [],
-        "selectedRelationships": ["splits"],
-        "source": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "93ffd07d-2ddd-3dc5-a3d9-a68a75e6dc04",
-          "instanceIdentifier": "c08f8e4a-3778-3559-1c72-b8c02757a135",
-          "name": "SplitRecord",
-          "type": "PROCESSOR"
-        },
-        "zIndex": 0
-      },
-      {
-        "backPressureDataSizeThreshold": "1 GB",
-        "backPressureObjectThreshold": 10000,
-        "bends": [],
-        "componentType": "CONNECTION",
-        "destination": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "93ffd07d-2ddd-3dc5-a3d9-a68a75e6dc04",
-          "instanceIdentifier": "c08f8e4a-3778-3559-1c72-b8c02757a135",
-          "name": "SplitRecord",
-          "type": "PROCESSOR"
-        },
-        "flowFileExpiration": "0 sec",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "c956bda6-bf4c-3885-a26a-7204ac2bab2d",
-        "instanceIdentifier": "00b3c4ce-b707-37c8-7cac-68528d318922",
-        "labelIndex": 0,
-        "loadBalanceCompression": "DO_NOT_COMPRESS",
-        "loadBalanceStrategy": "DO_NOT_LOAD_BALANCE",
-        "name": "",
-        "partitioningAttribute": "",
-        "prioritizers": [],
-        "selectedRelationships": ["success"],
-        "source": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "2a9918eb-0433-37bf-97ae-12528859b99a",
-          "instanceIdentifier": "0f8ccffe-0bd3-3bda-5247-2ddf92337fe2",
-          "name": "GetCsvFile",
-          "type": "PROCESSOR"
-        },
-        "zIndex": 0
-      },
-      {
-        "backPressureDataSizeThreshold": "1 GB",
-        "backPressureObjectThreshold": 10000,
-        "bends": [],
-        "componentType": "CONNECTION",
-        "destination": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "b63dfd38-939b-3a62-bd0f-ed2cc6e20674",
-          "instanceIdentifier": "ce2a1b66-97ab-3834-7ddd-b49341646684",
-          "name": "SetFilename",
-          "type": "PROCESSOR"
-        },
-        "flowFileExpiration": "0 sec",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "f3bba195-58a1-3449-9178-0dc4a316fe01",
-        "instanceIdentifier": "9a98ec9f-c14d-3ec4-de6f-3d6e7e655d64",
-        "labelIndex": 0,
-        "loadBalanceCompression": "DO_NOT_COMPRESS",
-        "loadBalanceStrategy": "DO_NOT_LOAD_BALANCE",
-        "name": "",
-        "partitioningAttribute": "",
-        "prioritizers": [],
-        "selectedRelationships": ["Response"],
-        "source": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "9cb3fc8c-2a8a-3a99-b104-3100f0e67538",
-          "instanceIdentifier": "28407726-80c4-3511-94e4-980672f02894",
-          "name": "GetChallenges",
-          "type": "PROCESSOR"
-        },
-        "zIndex": 0
-      },
-      {
-        "backPressureDataSizeThreshold": "1 GB",
-        "backPressureObjectThreshold": 10000,
-        "bends": [],
-        "componentType": "CONNECTION",
-        "destination": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "dec7ffa2-e5fa-3a2a-aae8-7635e7c237f3",
-          "instanceIdentifier": "a8f6a6e7-33c9-3e5c-a252-7d94372de811",
-          "name": "PutFile",
-          "type": "PROCESSOR"
-        },
-        "flowFileExpiration": "0 sec",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "4a17bb7f-1517-347f-93e8-5261f8432b0c",
-        "instanceIdentifier": "851d3ee4-8682-3a13-a820-cc0c941eca95",
-        "labelIndex": 0,
-        "loadBalanceCompression": "DO_NOT_COMPRESS",
-        "loadBalanceStrategy": "DO_NOT_LOAD_BALANCE",
-        "name": "",
-        "partitioningAttribute": "",
-        "prioritizers": [],
-        "selectedRelationships": ["success"],
-        "source": {
-          "comments": "",
-          "groupId": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-          "id": "b63dfd38-939b-3a62-bd0f-ed2cc6e20674",
-          "instanceIdentifier": "ce2a1b66-97ab-3834-7ddd-b49341646684",
-          "name": "SetFilename",
-          "type": "PROCESSOR"
-        },
-        "zIndex": 0
-      }
-    ],
-    "controllerServices": [
-      {
-        "bulletinLevel": "WARN",
-        "bundle": {
-          "artifact": "nifi-dbcp-service-nar",
-          "group": "org.apache.nifi",
-          "version": "2.0.0"
-        },
-        "comments": "",
-        "componentType": "CONTROLLER_SERVICE",
-        "controllerServiceApis": [
-          {
-            "bundle": {
-              "artifact": "nifi-standard-services-api-nar",
-              "group": "org.apache.nifi",
-              "version": "2.0.0"
-            },
-            "type": "org.apache.nifi.dbcp.DBCPService"
-          }
-        ],
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "6650fa38-df10-35d3-85d1-14b73493f348",
-        "instanceIdentifier": "ac5c061a-5cd5-3409-a2df-5c20c6ea2270",
-        "name": "DBCPConnectionPool",
-        "properties": {
-          "dbcp-min-idle-conns": "0",
-          "Max Wait Time": "500 millis",
-          "Database Driver Class Name": "com.mysql.jdbc.Driver",
-          "dbcp-min-evictable-idle-time": "30 mins",
-          "Max Total Connections": "8",
-          "dbcp-max-conn-lifetime": "-1",
-          "Database Connection URL": "jdbc:mysql://openchallenges-mariadb:3306/challenge_service?allowLoadLocalInfile=true",
-          "dbcp-time-between-eviction-runs": "-1",
-          "Database User": "challenge_service",
-          "dbcp-soft-min-evictable-idle-time": "-1",
-          "database-driver-locations": "/opt/nifi/nifi-current/drivers/mysql-connector-j-9.1.0.jar",
-          "dbcp-max-idle-conns": "8"
-        },
-        "propertyDescriptors": {
-          "dbcp-min-idle-conns": {
-            "displayName": "Minimum Idle Connections",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-min-idle-conns",
-            "sensitive": false
-          },
-          "Max Wait Time": {
-            "displayName": "Max Wait Time",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Max Wait Time",
-            "sensitive": false
-          },
-          "Database Driver Class Name": {
-            "displayName": "Database Driver Class Name",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Database Driver Class Name",
-            "sensitive": false
-          },
-          "dbcp-min-evictable-idle-time": {
-            "displayName": "Minimum Evictable Idle Time",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-min-evictable-idle-time",
-            "sensitive": false
-          },
-          "Max Total Connections": {
-            "displayName": "Max Total Connections",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Max Total Connections",
-            "sensitive": false
-          },
-          "dbcp-max-conn-lifetime": {
-            "displayName": "Max Connection Lifetime",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-max-conn-lifetime",
-            "sensitive": false
-          },
-          "Validation-query": {
-            "displayName": "Validation query",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Validation-query",
-            "sensitive": false
-          },
-          "Database Connection URL": {
-            "displayName": "Database Connection URL",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Database Connection URL",
-            "sensitive": false
-          },
-          "dbcp-time-between-eviction-runs": {
-            "displayName": "Time Between Eviction Runs",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-time-between-eviction-runs",
-            "sensitive": false
-          },
-          "Database User": {
-            "displayName": "Database User",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Database User",
-            "sensitive": false
-          },
-          "kerberos-user-service": {
-            "displayName": "Kerberos User Service",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "kerberos-user-service",
-            "sensitive": false
-          },
-          "dbcp-soft-min-evictable-idle-time": {
-            "displayName": "Soft Minimum Evictable Idle Time",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-soft-min-evictable-idle-time",
-            "sensitive": false
-          },
-          "database-driver-locations": {
-            "displayName": "Database Driver Location(s)",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "database-driver-locations",
-            "resourceDefinition": {
-              "cardinality": "MULTIPLE",
-              "resourceTypes": ["URL", "FILE", "DIRECTORY"]
-            },
-            "sensitive": false
-          },
-          "dbcp-max-idle-conns": {
-            "displayName": "Max Idle Connections",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "dbcp-max-idle-conns",
-            "sensitive": false
-          },
-          "Password": {
-            "displayName": "Password",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Password",
-            "sensitive": true
-          }
-        },
-        "scheduledState": "DISABLED",
-        "type": "org.apache.nifi.dbcp.DBCPConnectionPool"
-      },
-      {
-        "bulletinLevel": "WARN",
-        "bundle": {
-          "artifact": "nifi-record-serialization-services-nar",
-          "group": "org.apache.nifi",
-          "version": "2.0.0"
-        },
-        "comments": "",
-        "componentType": "CONTROLLER_SERVICE",
-        "controllerServiceApis": [
-          {
-            "bundle": {
-              "artifact": "nifi-standard-services-api-nar",
-              "group": "org.apache.nifi",
-              "version": "2.0.0"
-            },
-            "type": "org.apache.nifi.serialization.RecordSetWriterFactory"
-          }
-        ],
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "87d7b1c2-fd34-3cbc-b558-86b49fe72758",
-        "instanceIdentifier": "0be2a6ce-d467-3209-626f-cde34b6b47cc",
-        "name": "CSVRecordSetWriter",
-        "properties": {
-          "CSV Format": "custom",
-          "Include Header Line": "true",
-          "Escape Character": "\\",
-          "Trim Fields": "true",
-          "schema-access-strategy": "inherit-record-schema",
-          "csvutils-character-set": "UTF-8",
-          "schema-text": "${avro.schema}",
-          "csv-writer": "commons-csv",
-          "Quote Character": "\"",
-          "Value Separator": ",",
-          "Record Separator": "\\n",
-          "Schema Write Strategy": "no-schema",
-          "schema-name": "${schema.name}",
-          "Quote Mode": "MINIMAL",
-          "Include Trailing Delimiter": "false"
-        },
-        "propertyDescriptors": {
-          "schema-reference-reader": {
-            "displayName": "Schema Reference Reader",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "schema-reference-reader",
-            "sensitive": false
-          },
-          "schema-branch": {
-            "displayName": "Schema Branch",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "schema-branch",
-            "sensitive": false
-          },
-          "CSV Format": {
-            "displayName": "CSV Format",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "CSV Format",
-            "sensitive": false
-          },
-          "Include Header Line": {
-            "displayName": "Include Header Line",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Include Header Line",
-            "sensitive": false
-          },
-          "schema-cache": {
-            "displayName": "Schema Cache",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "schema-cache",
-            "sensitive": false
-          },
-          "Escape Character": {
-            "displayName": "Escape Character",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Escape Character",
-            "sensitive": false
-          },
-          "Date Format": {
-            "displayName": "Date Format",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Date Format",
-            "sensitive": false
-          },
-          "Null String": {
-            "displayName": "Null String",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Null String",
-            "sensitive": false
-          },
-          "Trim Fields": {
-            "displayName": "Trim Fields",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Trim Fields",
-            "sensitive": false
-          },
-          "schema-registry": {
-            "displayName": "Schema Registry",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "schema-registry",
-            "sensitive": false
-          },
-          "Time Format": {
-            "displayName": "Time Format",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Time Format",
-            "sensitive": false
-          },
-          "Comment Marker": {
-            "displayName": "Comment Marker",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Comment Marker",
-            "sensitive": false
-          },
-          "schema-access-strategy": {
-            "displayName": "Schema Access Strategy",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "schema-access-strategy",
-            "sensitive": false
-          },
-          "schema-version": {
-            "displayName": "Schema Version",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "schema-version",
-            "sensitive": false
-          },
-          "csvutils-character-set": {
-            "displayName": "Character Set",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "csvutils-character-set",
-            "sensitive": false
-          },
-          "schema-text": {
-            "displayName": "Schema Text",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "schema-text",
-            "sensitive": false
-          },
-          "csv-writer": {
-            "displayName": "CSV Writer",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "csv-writer",
-            "sensitive": false
-          },
-          "Quote Character": {
-            "displayName": "Quote Character",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Quote Character",
-            "sensitive": false
-          },
-          "Value Separator": {
-            "displayName": "Value Separator",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Value Separator",
-            "sensitive": false
-          },
-          "Record Separator": {
-            "displayName": "Record Separator",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Record Separator",
-            "sensitive": false
-          },
-          "Timestamp Format": {
-            "displayName": "Timestamp Format",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Timestamp Format",
-            "sensitive": false
-          },
-          "Schema Write Strategy": {
-            "displayName": "Schema Write Strategy",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Schema Write Strategy",
-            "sensitive": false
-          },
-          "schema-name": {
-            "displayName": "Schema Name",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "schema-name",
-            "sensitive": false
-          },
-          "Quote Mode": {
-            "displayName": "Quote Mode",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Quote Mode",
-            "sensitive": false
-          },
-          "Schema Reference Writer": {
-            "displayName": "Schema Reference Writer",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "Schema Reference Writer",
-            "sensitive": false
-          },
-          "Include Trailing Delimiter": {
-            "displayName": "Include Trailing Delimiter",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Include Trailing Delimiter",
-            "sensitive": false
-          }
-        },
-        "scheduledState": "DISABLED",
-        "type": "org.apache.nifi.csv.CSVRecordSetWriter"
-      },
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-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Create Missing Directories",
-            "sensitive": false
-          },
-          "Permissions": {
-            "displayName": "Permissions",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Permissions",
-            "sensitive": false
-          },
-          "Maximum File Count": {
-            "displayName": "Maximum File Count",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Maximum File Count",
-            "sensitive": false
-          },
-          "Last Modified Time": {
-            "displayName": "Last Modified Time",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Last Modified Time",
-            "sensitive": false
-          },
-          "Directory": {
-            "displayName": "Directory",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Directory",
-            "sensitive": false
-          },
-          "Conflict Resolution Strategy": {
-            "displayName": "Conflict Resolution Strategy",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Conflict Resolution Strategy",
-            "sensitive": false
-          }
-        },
-        "retriedRelationships": [],
-        "retryCount": 10,
-        "runDurationMillis": 0,
-        "scheduledState": "ENABLED",
-        "schedulingPeriod": "0 sec",
-        "schedulingStrategy": "TIMER_DRIVEN",
-        "style": {},
-        "type": "org.apache.nifi.processors.standard.PutFile",
-        "yieldDuration": "1 sec"
-      },
-      {
-        "autoTerminatedRelationships": [],
-        "backoffMechanism": "PENALIZE_FLOWFILE",
-        "bulletinLevel": "WARN",
-        "bundle": {
-          "artifact": "nifi-standard-nar",
-          "group": "org.apache.nifi",
-          "version": "2.0.0"
-        },
-        "comments": "",
-        "componentType": "PROCESSOR",
-        "concurrentlySchedulableTaskCount": 1,
-        "executionNode": "ALL",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "2a9918eb-0433-37bf-97ae-12528859b99a",
-        "instanceIdentifier": "0f8ccffe-0bd3-3bda-5247-2ddf92337fe2",
-        "maxBackoffPeriod": "10 mins",
-        "name": "GetCsvFile",
-        "penaltyDuration": "30 sec",
-        "position": { "x": -352.0, "y": -648.0 },
-        "properties": {
-          "Keep Source File": "true",
-          "Minimum File Age": "0 sec",
-          "Polling Interval": "0 sec",
-          "Input Directory": "/home/nifi/input",
-          "Batch Size": "10",
-          "Minimum File Size": "0 B",
-          "Ignore Hidden Files": "true",
-          "Recurse Subdirectories": "true",
-          "File Filter": "[^\\.].*"
-        },
-        "propertyDescriptors": {
-          "Keep Source File": {
-            "displayName": "Keep Source File",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Keep Source File",
-            "sensitive": false
-          },
-          "Minimum File Age": {
-            "displayName": "Minimum File Age",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Minimum File Age",
-            "sensitive": false
-          },
-          "Polling Interval": {
-            "displayName": "Polling Interval",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Polling Interval",
-            "sensitive": false
-          },
-          "Input Directory": {
-            "displayName": "Input Directory",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Input Directory",
-            "sensitive": false
-          },
-          "Maximum File Age": {
-            "displayName": "Maximum File Age",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Maximum File Age",
-            "sensitive": false
-          },
-          "Batch Size": {
-            "displayName": "Batch Size",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Batch Size",
-            "sensitive": false
-          },
-          "Maximum File Size": {
-            "displayName": "Maximum File Size",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Maximum File Size",
-            "sensitive": false
-          },
-          "Minimum File Size": {
-            "displayName": "Minimum File Size",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Minimum File Size",
-            "sensitive": false
-          },
-          "Ignore Hidden Files": {
-            "displayName": "Ignore Hidden Files",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Ignore Hidden Files",
-            "sensitive": false
-          },
-          "Recurse Subdirectories": {
-            "displayName": "Recurse Subdirectories",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Recurse Subdirectories",
-            "sensitive": false
-          },
-          "File Filter": {
-            "displayName": "File Filter",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "File Filter",
-            "sensitive": false
-          },
-          "Path Filter": {
-            "displayName": "Path Filter",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Path Filter",
-            "sensitive": false
-          }
-        },
-        "retriedRelationships": [],
-        "retryCount": 10,
-        "runDurationMillis": 0,
-        "scheduledState": "ENABLED",
-        "schedulingPeriod": "30 sec",
-        "schedulingStrategy": "TIMER_DRIVEN",
-        "style": {},
-        "type": "org.apache.nifi.processors.standard.GetFile",
-        "yieldDuration": "1 sec"
-      },
-      {
-        "autoTerminatedRelationships": ["success", "failure", "retry"],
-        "backoffMechanism": "PENALIZE_FLOWFILE",
-        "bulletinLevel": "WARN",
-        "bundle": {
-          "artifact": "nifi-standard-nar",
-          "group": "org.apache.nifi",
-          "version": "2.0.0"
-        },
-        "comments": "",
-        "componentType": "PROCESSOR",
-        "concurrentlySchedulableTaskCount": 1,
-        "executionNode": "ALL",
-        "groupIdentifier": "95113416-c5d8-3e3a-b3fc-f49cec0d01a9",
-        "identifier": "fd86ff9c-c5c2-31ca-9aec-5d1419cc9455",
-        "instanceIdentifier": "c0755e5d-c0c0-3c01-e2b8-c8dfae3d7627",
-        "maxBackoffPeriod": "10 mins",
-        "name": "PutDatabaseRecord",
-        "penaltyDuration": "30 sec",
-        "position": { "x": 936.0, "y": -648.0 },
-        "properties": {
-          "put-db-record-allow-multiple-statements": "false",
-          "table-schema-cache-size": "100",
-          "put-db-record-quoted-table-identifiers": "false",
-          "put-db-record-unmatched-column-behavior": "Fail on Unmatched Columns",
-          "put-db-record-translate-field-names": "true",
-          "put-db-record-dcbp-service": "6650fa38-df10-35d3-85d1-14b73493f348",
-          "put-db-record-query-timeout": "0 seconds",
-          "rollback-on-failure": "false",
-          "put-db-record-statement-type": "UPSERT",
-          "put-db-record-binary-format": "UTF-8",
-          "db-type": "MySQL",
-          "put-db-record-quoted-identifiers": "false",
-          "put-db-record-table-name": "nifi_demo",
-          "put-db-record-unmatched-field-behavior": "Ignore Unmatched Fields",
-          "put-db-record-max-batch-size": "1000",
-          "put-db-record-record-reader": "73630c54-bf3f-397c-893b-0426090b7d92",
-          "database-session-autocommit": "false"
-        },
-        "propertyDescriptors": {
-          "put-db-record-allow-multiple-statements": {
-            "displayName": "Allow Multiple SQL Statements",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-allow-multiple-statements",
-            "sensitive": false
-          },
-          "table-schema-cache-size": {
-            "displayName": "Table Schema Cache Size",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "table-schema-cache-size",
-            "sensitive": false
-          },
-          "put-db-record-schema-name": {
-            "displayName": "Schema Name",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-schema-name",
-            "sensitive": false
-          },
-          "put-db-record-field-containing-sql": {
-            "displayName": "Field Containing SQL",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-field-containing-sql",
-            "sensitive": false
-          },
-          "put-db-record-quoted-table-identifiers": {
-            "displayName": "Quote Table Identifiers",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-quoted-table-identifiers",
-            "sensitive": false
-          },
-          "Statement Type Record Path": {
-            "displayName": "Statement Type Record Path",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Statement Type Record Path",
-            "sensitive": false
-          },
-          "put-db-record-unmatched-column-behavior": {
-            "displayName": "Unmatched Column Behavior",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-unmatched-column-behavior",
-            "sensitive": false
-          },
-          "Delete Keys": {
-            "displayName": "Delete Keys",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Delete Keys",
-            "sensitive": false
-          },
-          "put-db-record-catalog-name": {
-            "displayName": "Catalog Name",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-catalog-name",
-            "sensitive": false
-          },
-          "put-db-record-translate-field-names": {
-            "displayName": "Translate Field Names",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-translate-field-names",
-            "sensitive": false
-          },
-          "put-db-record-dcbp-service": {
-            "displayName": "Database Connection Pooling Service",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "put-db-record-dcbp-service",
-            "sensitive": false
-          },
-          "put-db-record-query-timeout": {
-            "displayName": "Max Wait Time",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-query-timeout",
-            "sensitive": false
-          },
-          "rollback-on-failure": {
-            "displayName": "Rollback On Failure",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "rollback-on-failure",
-            "sensitive": false
-          },
-          "put-db-record-statement-type": {
-            "displayName": "Statement Type",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-statement-type",
-            "sensitive": false
-          },
-          "put-db-record-binary-format": {
-            "displayName": "Binary String Format",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-binary-format",
-            "sensitive": false
-          },
-          "db-type": {
-            "displayName": "Database Type",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "db-type",
-            "sensitive": false
-          },
-          "put-db-record-update-keys": {
-            "displayName": "Update Keys",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-update-keys",
-            "sensitive": false
-          },
-          "put-db-record-quoted-identifiers": {
-            "displayName": "Quote Column Identifiers",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-quoted-identifiers",
-            "sensitive": false
-          },
-          "put-db-record-table-name": {
-            "displayName": "Table Name",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-table-name",
-            "sensitive": false
-          },
-          "put-db-record-unmatched-field-behavior": {
-            "displayName": "Unmatched Field Behavior",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-unmatched-field-behavior",
-            "sensitive": false
-          },
-          "put-db-record-max-batch-size": {
-            "displayName": "Maximum Batch Size",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "put-db-record-max-batch-size",
-            "sensitive": false
-          },
-          "put-db-record-record-reader": {
-            "displayName": "Record Reader",
-            "dynamic": false,
-            "identifiesControllerService": true,
-            "name": "put-db-record-record-reader",
-            "sensitive": false
-          },
-          "Data Record Path": {
-            "displayName": "Data Record Path",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "Data Record Path",
-            "sensitive": false
-          },
-          "database-session-autocommit": {
-            "displayName": "Database Session AutoCommit",
-            "dynamic": false,
-            "identifiesControllerService": false,
-            "name": "database-session-autocommit",
-            "sensitive": false
-          }
-        },
-        "retriedRelationships": [],
-        "retryCount": 10,
-        "runDurationMillis": 0,
-        "scheduledState": "ENABLED",
-        "schedulingPeriod": "0 sec",
-        "schedulingStrategy": "TIMER_DRIVEN",
-        "style": {},
-        "type": "org.apache.nifi.processors.standard.PutDatabaseRecord",
-        "yieldDuration": "1 sec"
-      }
-    ],
-    "remoteProcessGroups": [],
-    "scheduledState": "ENABLED",
-    "statelessFlowTimeout": "1 min"
-  },
-  "flowEncodingVersion": "1.0",
-  "parameterContexts": {},
-  "parameterProviders": {},
-  "snapshotMetadata": {
-    "author": "anonymous",
-    "comments": "Update the name of the data input folder",
-    "timestamp": 1732495279528,
-    "version": 2
-  }
-}
diff --git a/apps/openchallenges/nifi-registry/project.json b/apps/openchallenges/nifi-registry/project.json
deleted file mode 100644
index 7585a58fc1..0000000000
--- a/apps/openchallenges/nifi-registry/project.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "name": "openchallenges-nifi-registry",
-  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
-  "sourceRoot": "apps/openchallenges-nifi-registry/src",
-  "projectType": "application",
-  "targets": {
-    "create-config": {
-      "executor": "nx:run-commands",
-      "options": {
-        "command": "cp -n .env.example .env",
-        "cwd": "{projectRoot}"
-      }
-    },
-    "serve-detach": {
-      "executor": "nx:run-commands",
-      "options": {
-        "command": "docker/openchallenges/serve-detach.sh {projectName}"
-      }
-    }
-  },
-  "tags": ["type:service", "scope:backend"]
-}
diff --git a/apps/openchallenges/nifi/.env.example b/apps/openchallenges/nifi/.env.example
deleted file mode 100644
index b0c3a297cd..0000000000
--- a/apps/openchallenges/nifi/.env.example
+++ /dev/null
@@ -1,2 +0,0 @@
-SINGLE_USER_CREDENTIALS_USERNAME=openchallenges
-SINGLE_USER_CREDENTIALS_PASSWORD=changemechangeme
\ No newline at end of file
diff --git a/apps/openchallenges/nifi/Dockerfile b/apps/openchallenges/nifi/Dockerfile
deleted file mode 100644
index 76ad9ab8c2..0000000000
--- a/apps/openchallenges/nifi/Dockerfile
+++ /dev/null
@@ -1,13 +0,0 @@
-FROM apache/nifi:2.0.0
-
-ENV MYSQL_CONNECTOR_VERSION=9.1.0
-ENV MYSQL_CONNECTOR_URL=https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-j-${MYSQL_CONNECTOR_VERSION}.tar.gz
-
-# Create the drivers directory
-RUN mkdir -p /opt/nifi/nifi-current/drivers/
-
-# Download and extract the MySQL JDBC connector, then move the JAR to the drivers directory
-RUN curl -L -o /tmp/mysql-connector-j.tar.gz "${MYSQL_CONNECTOR_URL}" \
-    && tar -xzf /tmp/mysql-connector-j.tar.gz -C /tmp \
-    && mv /tmp/mysql-connector-j-${MYSQL_CONNECTOR_VERSION}/mysql-connector-j-${MYSQL_CONNECTOR_VERSION}.jar /opt/nifi/nifi-current/drivers/ \
-    && rm -rf /tmp/mysql-connector-j.tar.gz /tmp/mysql-connector-j-${MYSQL_CONNECTOR_VERSION}
\ No newline at end of file
diff --git a/apps/openchallenges/nifi/README.md b/apps/openchallenges/nifi/README.md
deleted file mode 100644
index 69beb11082..0000000000
--- a/apps/openchallenges/nifi/README.md
+++ /dev/null
@@ -1,59 +0,0 @@
-# OpenChallenges NiFi
-
-## Build the Docker image
-
-Build the Docker image of NiFi and the NiFi registry.
-
-```console
-nx run-many -t build-image -p openchallenges-{nifi,nifi-registry}
-```
-
-## Deploy NiFi with Docker Compose
-
-```console
-nx serve-detach openchallenges-nifi
-```
-
-## Access NiFi UI
-
-1. In your browser, navigate to http://localhost:8443/nifi.
-2. Accept the security risk (in the development environment).
-3. Login with the credentials specified in the config file `.env`.
-
-The NiFi canvas should now be visible.
-
-## Connect NiFi to the NiFi registry
-
-Configuring a NiFi registry client enable to version control the Process Groups created in NiFi.
-
-1. Click on the three-line menu button.
-2. Click on "Controller Settings".
-3. Click on the tab "Registry Clients".
-4. Click on the button "+".
-5. Add the registry client:
-   - Name: openchallenges-nifi-registry.
-   - Type: NifiRegistryFlowRegistryClient.
-   - Click on "Apply".
-6. Configure the registry client:
-   - Click on the three-dot button.
-   - Click on "Edit".
-   - Click on the tab "Properties".
-   - Set the URL to `http://openchallenges-nifi-registry:18080`.
-   - Click on "Apply".
-7. Click on the NiFi logo in the navigation bar to return to the canvas.
-
-Here is a quick way to check that NiFi can connect to the registry:
-
-1. Add a Process Group to the canvas.
-2. Right-click on the PG and select "Version" > "Start Version Control".
-3. The "Save Flow Version" dialog should open without any error messages visible.
-
-## Stop and remove the NiFi container
-
-```console
-docker rm -f openchallenges-nifi-registry
-```
-
-## Data persistence
-
-Process Groups created in NiFi can be saved and version-controlled using the NiFi Registry.
diff --git a/apps/openchallenges/nifi/input/nifi_demo.csv b/apps/openchallenges/nifi/input/nifi_demo.csv
deleted file mode 100644
index 540407b355..0000000000
--- a/apps/openchallenges/nifi/input/nifi_demo.csv
+++ /dev/null
@@ -1,4 +0,0 @@
-"id","name"
-"1","BRCA1"
-"2","TP53"
-"3","CFTR"
\ No newline at end of file
diff --git a/apps/openchallenges/nifi/project.json b/apps/openchallenges/nifi/project.json
deleted file mode 100644
index 434a8c9d3c..0000000000
--- a/apps/openchallenges/nifi/project.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "name": "openchallenges-nifi",
-  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
-  "sourceRoot": "apps/openchallenges-nifi/src",
-  "projectType": "application",
-  "targets": {
-    "create-config": {
-      "executor": "nx:run-commands",
-      "options": {
-        "command": "cp -n .env.example .env",
-        "cwd": "{projectRoot}"
-      }
-    },
-    "serve-detach": {
-      "executor": "nx:run-commands",
-      "options": {
-        "command": "docker/openchallenges/serve-detach.sh {projectName}"
-      }
-    }
-  },
-  "tags": ["type:service", "scope:backend"]
-}
diff --git a/docker/openchallenges/serve-detach.sh b/docker/openchallenges/serve-detach.sh
index 8478d476c3..f6344fc51c 100755
--- a/docker/openchallenges/serve-detach.sh
+++ b/docker/openchallenges/serve-detach.sh
@@ -15,8 +15,6 @@ args=(
   --file docker/openchallenges/services/kafka.yml
   --file docker/openchallenges/services/mariadb.yml
   --file docker/openchallenges/services/mysqld-exporter.yml
-  --file docker/openchallenges/services/nifi-registry.yml
-  --file docker/openchallenges/services/nifi.yml
   --file docker/openchallenges/services/organization-service.yml
   --file docker/openchallenges/services/prometheus.yml
   --file docker/openchallenges/services/service-registry.yml
diff --git a/docker/openchallenges/services/nifi-registry.yml b/docker/openchallenges/services/nifi-registry.yml
deleted file mode 100644
index 26312d77db..0000000000
--- a/docker/openchallenges/services/nifi-registry.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-services:
-  openchallenges-nifi-registry:
-    image: ghcr.io/sage-bionetworks/openchallenges-nifi-registry:${OPENCHALLENGES_VERSION:-local}
-    container_name: openchallenges-nifi-registry
-    restart: always
-    env_file:
-      - ../../../apps/openchallenges/nifi-registry/.env
-    networks:
-      - openchallenges
-    ports:
-      - '18080:18080'
-    volumes:
-      - openchallenges-nifi-registry-data:/opt/nifi-registry/nifi-registry-current
-    deploy:
-      resources:
-        limits:
-          memory: 1G
diff --git a/docker/openchallenges/services/nifi.yml b/docker/openchallenges/services/nifi.yml
deleted file mode 100644
index 30fa426c16..0000000000
--- a/docker/openchallenges/services/nifi.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-services:
-  openchallenges-nifi:
-    image: ghcr.io/sage-bionetworks/openchallenges-nifi:${OPENCHALLENGES_VERSION:-local}
-    container_name: openchallenges-nifi
-    restart: always
-    env_file:
-      - ../../../apps/openchallenges/nifi/.env
-    networks:
-      - openchallenges
-    ports:
-      - '8443:8443'
-    volumes:
-      - ../../../apps/openchallenges/nifi/input:/home/nifi/input
-    depends_on:
-      openchallenges-nifi-registry:
-        condition: service_started
-    deploy:
-      resources:
-        limits:
-          memory: 2G
diff --git a/docker/openchallenges/volumes.yml b/docker/openchallenges/volumes.yml
index 4f53a6bbc5..5f6f3319e6 100644
--- a/docker/openchallenges/volumes.yml
+++ b/docker/openchallenges/volumes.yml
@@ -5,8 +5,5 @@ volumes:
   openchallenges-grafana-data:
     name: openchallenges-grafana-data
 
-  openchallenges-nifi-registry-data:
-    name: openchallenges-nifi-registry-data
-
   openchallenges-thumbor-data:
     name: openchallenges-thumbor-data
diff --git a/tools/configure-hostnames.sh b/tools/configure-hostnames.sh
index 5bfc482acf..39b1563414 100755
--- a/tools/configure-hostnames.sh
+++ b/tools/configure-hostnames.sh
@@ -20,8 +20,6 @@ declare -a hostnames=(
   "127.0.0.1 openchallenges-image-service"
   "127.0.0.1 openchallenges-mariadb"
   "127.0.0.1 openchallenges-mysqld-exporter"
-  "127.0.0.1 openchallenges-nifi-registry"
-  "127.0.0.1 openchallenges-nifi"
   "127.0.0.1 openchallenges-opensearch"
   "127.0.0.1 openchallenges-organization-service"
   "127.0.0.1 openchallenges-prometheus"