diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bef7f1c2..374db30b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
           # E501 let black handle all line length decisions
           # W503 black conflicts with "line break before operator" rule
           # E203 black conflicts with "whitespace before ':'" rule
-          '--ignore=E501,W503,E203,C901' ]
+          '--ignore=E501,W503,E203,C901,E402' ]
   - repo: https://github.com/pre-commit/mirrors-mypy
     rev: v0.991
     hooks:
diff --git a/stac_fastapi/common/core.py b/stac_fastapi/common/core.py
index 71e6fd3f..29c653a5 100644
--- a/stac_fastapi/common/core.py
+++ b/stac_fastapi/common/core.py
@@ -11,11 +11,6 @@
 import attr
 import orjson
 import stac_pydantic
-from common.base_database_logic import BaseDatabaseLogic
-from common.models.links import PagingLinks
-from elastic_search import serializers
-from elastic_search.serializers import CollectionSerializer, ItemSerializer
-from elastic_search.session import Session
 from fastapi import HTTPException, Request
 from overrides import overrides
 from pydantic import ValidationError
@@ -24,6 +19,11 @@
 from stac_pydantic.links import Relations
 from stac_pydantic.shared import MimeTypes
 
+# from common.base_database_logic import BaseDatabaseLogic
+from stac_fastapi.common.models.links import PagingLinks
+from stac_fastapi.elastic_search import serializers
+from stac_fastapi.elastic_search.serializers import CollectionSerializer, ItemSerializer
+from stac_fastapi.elastic_search.session import Session
 from stac_fastapi.extensions.third_party.bulk_transactions import (
     BaseBulkTransactionsClient,
     BulkTransactionMethod,
@@ -66,12 +66,12 @@ class CoreClient(AsyncBaseCoreClient):
 
     session: Session = attr.ib(default=attr.Factory(Session.create_from_env))
     item_serializer: Type[serializers.ItemSerializer] = attr.ib(
-        default=serializers.ItemSerializer
+        default=serializers.ItemSerializer  # type: ignore
     )
     collection_serializer: Type[serializers.CollectionSerializer] = attr.ib(
-        default=serializers.CollectionSerializer
+        default=serializers.CollectionSerializer  # type: ignore
     )
-    database: BaseDatabaseLogic = attr.ib(init=False)
+    post_request_model = attr.ib(default=BaseSearchPostRequest)
 
     def __attrs_post_init__(self):
         """
@@ -84,11 +84,15 @@ def __attrs_post_init__(self):
         """
         try:
             # Dynamically import the database logic based on installed package
-            database_module = importlib.import_module("elastic_search.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.elastic_search.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
         except ImportError:
             # Fall back to OpenSearch if Elasticsearch is not available
-            database_module = importlib.import_module("open_search.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.open_search.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
 
         self.database = DatabaseLogicClass()
@@ -562,7 +566,7 @@ class TransactionsClient(AsyncBaseTransactionsClient):
     """Transactions extension specific CRUD operations."""
 
     session: Session = attr.ib(default=attr.Factory(Session.create_from_env))
-    database: BaseDatabaseLogic = attr.ib(init=False)
+    # database: BaseDatabaseLogic = attr.ib(init=False)
 
     def __attrs_post_init__(self):
         """
@@ -575,11 +579,15 @@ def __attrs_post_init__(self):
         """
         try:
             # Dynamically import the database logic based on installed package
-            database_module = importlib.import_module("elastic_search.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.elastic_search.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
         except ImportError:
             # Fall back to OpenSearch if Elasticsearch is not available
-            database_module = importlib.import_module("opensearch.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.opensearch.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
 
         self.database = DatabaseLogicClass()
@@ -752,7 +760,7 @@ class BulkTransactionsClient(BaseBulkTransactionsClient):
     """
 
     session: Session = attr.ib(default=attr.Factory(Session.create_from_env))
-    database: BaseDatabaseLogic = attr.ib(init=False)
+    # database: BaseDatabaseLogic = attr.ib(init=False)
 
     def __attrs_post_init__(self):
         """
@@ -765,11 +773,15 @@ def __attrs_post_init__(self):
         """
         try:
             # Dynamically import the database logic based on installed package
-            database_module = importlib.import_module("elastic_search.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.elastic_search.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
         except ImportError:
             # Fall back to OpenSearch if Elasticsearch is not available
-            database_module = importlib.import_module("opensearch.database_logic")
+            database_module = importlib.import_module(
+                "stac_fastapi.opensearch.database_logic"
+            )
             DatabaseLogicClass = getattr(database_module, "DatabaseLogic")
 
         self.database = DatabaseLogicClass()
diff --git a/stac_fastapi/elastic_search/app.py b/stac_fastapi/elastic_search/app.py
index 61e1015b..7b251025 100644
--- a/stac_fastapi/elastic_search/app.py
+++ b/stac_fastapi/elastic_search/app.py
@@ -1,7 +1,5 @@
 """FastAPI application."""
-from elastic_search.config import ElasticsearchSettings
-from elastic_search.database_logic import create_collection_index
-from elastic_search.session import Session
+import sys
 
 from stac_fastapi.api.app import StacApi
 from stac_fastapi.api.models import create_get_request_model, create_post_request_model
@@ -12,6 +10,9 @@
     TransactionsClient,
 )
 from stac_fastapi.common.extensions import QueryExtension
+from stac_fastapi.elastic_search.config import ElasticsearchSettings
+from stac_fastapi.elastic_search.database_logic import create_collection_index
+from stac_fastapi.elastic_search.session import Session
 from stac_fastapi.extensions.core import (
     ContextExtension,
     FieldsExtension,
@@ -22,6 +23,8 @@
 )
 from stac_fastapi.extensions.third_party import BulkTransactionExtension
 
+print("API sys.path:", sys.path)
+
 settings = ElasticsearchSettings()
 session = Session.create_from_settings(settings)
 
@@ -46,7 +49,7 @@
 api = StacApi(
     settings=settings,
     extensions=extensions,
-    client=CoreClient(session=session),
+    client=CoreClient(session=session, post_request_model=post_request_model),
     search_get_request_model=create_get_request_model(extensions),
     search_post_request_model=post_request_model,
 )
diff --git a/stac_fastapi/elastic_search/database_logic.py b/stac_fastapi/elastic_search/database_logic.py
index 305ab72c..afcb3a30 100644
--- a/stac_fastapi/elastic_search/database_logic.py
+++ b/stac_fastapi/elastic_search/database_logic.py
@@ -6,14 +6,16 @@
 from typing import Any, Dict, Iterable, List, Optional, Protocol, Tuple, Type, Union
 
 import attr
-from common.extensions import filter
-from elastic_search import serializers
-from elastic_search.config import AsyncElasticsearchSettings
-from elastic_search.config import ElasticsearchSettings as SyncElasticsearchSettings
-from elastic_search.utilities import bbox2polygon
 from elasticsearch_dsl import Q, Search
 
 from elasticsearch import exceptions, helpers  # type: ignore
+from stac_fastapi.common.extensions import filter
+from stac_fastapi.elastic_search import serializers
+from stac_fastapi.elastic_search.config import AsyncElasticsearchSettings
+from stac_fastapi.elastic_search.config import (
+    ElasticsearchSettings as SyncElasticsearchSettings,
+)
+from stac_fastapi.elastic_search.utilities import bbox2polygon
 from stac_fastapi.types.errors import ConflictError, NotFoundError
 from stac_fastapi.types.stac import Collection, Item
 
@@ -281,10 +283,10 @@ class DatabaseLogic:
     sync_client = SyncElasticsearchSettings().create_client
 
     item_serializer: Type[serializers.ItemSerializer] = attr.ib(
-        default=serializers.ItemSerializer
+        default=serializers.ItemSerializer  # type: ignore
     )
     collection_serializer: Type[serializers.CollectionSerializer] = attr.ib(
-        default=serializers.CollectionSerializer
+        default=serializers.CollectionSerializer  # type: ignore
     )
 
     """CORE LOGIC"""
diff --git a/stac_fastapi/elastic_search/pytest.ini b/stac_fastapi/elastic_search/pytest.ini
index db0353ef..f770b9c9 100644
--- a/stac_fastapi/elastic_search/pytest.ini
+++ b/stac_fastapi/elastic_search/pytest.ini
@@ -1,4 +1,4 @@
 [pytest]
-testpaths = tests
+testpaths = elastic_search/tests
 addopts = -sv
 asyncio_mode = auto
\ No newline at end of file
diff --git a/stac_fastapi/elastic_search/serializers.py b/stac_fastapi/elastic_search/serializers.py
index 786e2c98..ce5d1f32 100644
--- a/stac_fastapi/elastic_search/serializers.py
+++ b/stac_fastapi/elastic_search/serializers.py
@@ -3,8 +3,8 @@
 from typing import Any
 
 import attr
-from common.datetime_utils import now_to_rfc3339_str
 
+from stac_fastapi.common.datetime_utils import now_to_rfc3339_str
 from stac_fastapi.types import stac as stac_types
 from stac_fastapi.types.links import CollectionLinks, ItemLinks, resolve_links
 
diff --git a/stac_fastapi/elastic_search/setup.py b/stac_fastapi/elastic_search/setup.py
index 2c0607fc..b2999b2b 100644
--- a/stac_fastapi/elastic_search/setup.py
+++ b/stac_fastapi/elastic_search/setup.py
@@ -57,12 +57,14 @@
     url="https://github.com/stac-utils/stac-fastapi-elasticsearch",
     license="MIT",
     packages=find_namespace_packages(
-        include=["elasticsearch", "elasticsearch.*", "common", "common.*"],
+        include=["elastic_search", "elastic_search.*", "common", "common.*"],
         exclude=["tests", "scripts"],
     ),
     zip_safe=False,
     install_requires=install_requires,
     tests_require=extra_reqs["dev"],
     extras_require=extra_reqs,
-    entry_points={"console_scripts": ["stac-fastapi-elasticsearch=app:run"]},
+    entry_points={
+        "console_scripts": ["stac-fastapi-elasticsearch=elastic_search.app:run"]
+    },
 )
diff --git a/stac_fastapi/elastic_search/tests/conftest.py b/stac_fastapi/elastic_search/tests/conftest.py
index 2817fda6..026020ae 100644
--- a/stac_fastapi/elastic_search/tests/conftest.py
+++ b/stac_fastapi/elastic_search/tests/conftest.py
@@ -1,3 +1,7 @@
+import sys
+
+sys.path.insert(0, "/app")
+
 import asyncio
 import copy
 import json
@@ -6,14 +10,18 @@
 
 import pytest
 import pytest_asyncio
-from common.core import BulkTransactionsClient, CoreClient, TransactionsClient
-from common.extensions import QueryExtension
 from elastic_search.config import AsyncElasticsearchSettings
 from elastic_search.database_logic import create_collection_index
 from httpx import AsyncClient
 
 from stac_fastapi.api.app import StacApi
 from stac_fastapi.api.models import create_get_request_model, create_post_request_model
+from stac_fastapi.common.core import (
+    BulkTransactionsClient,
+    CoreClient,
+    TransactionsClient,
+)
+from stac_fastapi.common.extensions import QueryExtension
 from stac_fastapi.extensions.core import (  # FieldsExtension,
     ContextExtension,
     FieldsExtension,
@@ -24,6 +32,9 @@
 )
 from stac_fastapi.types.config import Settings
 
+# # Assuming your tests are in the 'tests' directory at the same level as 'stac_fastapi'
+# sys.path.append(str(Path(__file__).parent.parent))
+
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 
 
diff --git a/stac_fastapi/elastic_search/tests/resources/test_item.py b/stac_fastapi/elastic_search/tests/resources/test_item.py
index b66b3572..88f23402 100644
--- a/stac_fastapi/elastic_search/tests/resources/test_item.py
+++ b/stac_fastapi/elastic_search/tests/resources/test_item.py
@@ -9,11 +9,11 @@
 import ciso8601
 import pystac
 import pytest
+from common.core import CoreClient
 from common.datetime_utils import now_to_rfc3339_str
 from geojson_pydantic.geometries import Polygon
 from pystac.utils import datetime_to_str
 
-from stac_fastapi.common.core import CoreClient
 from stac_fastapi.types.core import LandingPageMixin
 
 from ..conftest import create_item, refresh_indices