Update README

README.md

@@ -8,18 +8,20 @@ Consider it as a specialized terraform with Step function & EventBridge Schedule
 - Similar schema to AWS resource API
 - Write configuration in Jsonnet, which gives us more flexibility than plain JSON
 
-## Why fubura?
+### Why fubura?
 
 - Need low cost job scheduler implemented with Step Function, EventBridge, and ECS
 - Need the better way to handle state machine definition than terraform
 
-## Why not fubura?
+### Why not fubura?
 
 - Need few, carefully crafted complex state machine
 - Want to handle all resources(including resources call by state machine, scheduler dlq, etc) in one place
 
 ## Install
 
+Custom tap is available for Homebrew.
+
 ### Homebrew (macOS and Linux)
 
 XXX: to be supported
@@ -28,9 +30,7 @@ XXX: to be supported
 brew install rieshia/x/fubura
 ```
 
-### Binary
-
-XXX: to be supported
+or you can download the code from the [release page](https://github.com/riseshia/fubura/releases) and compile from it.
 
 ## How to use
 
@@ -40,7 +40,7 @@ Usage: fubura <COMMAND>
 Commands:
   apply   apply config
   plan    plan config
-  import  import state machine config
+  import  import state machine to specified config file
   help    Print this message or the help of the given subcommand(s)
 
 Options:
@@ -50,19 +50,70 @@ Options:
 
 ## Configuration
 
-### `fubura.jsonnet`
-
 ```jsonnet
-[{
-  schedule: {
-    // {Create,Update}Schedule API Request Body
-  }, // could be null
-  state: {
-    // {Create,Update}StateMachine API Request Body
-  }, // must not be null
-}]
+// `fubura.jsonnet`
+{
+  ssConfigs: [{
+    state: {
+      // CreateStateMachine API Request Params except "versionDescription"
+      // https://docs.aws.amazon.com/step-functions/latest/apireference/API_CreateStateMachine.html
+    }, // should not be null
+    schedule: {
+      // CreateSchedule API Request Body except "ActionAfterCompletion", "ClientToken"
+      // https://docs.aws.amazon.com/scheduler/latest/APIReference/API_CreateSchedule.html
+    }, // could be null
+    deleteAll: true // Optional, default is false. If true, delete the state machine and schedule
+    deleteSchedule: true // Optional, default is false. If true, delete the schedule
+  }]
+}
 ```
 
+Full example configuration is available in [example](./example) directory.
+
+### `delete*` fields
+
+fubura do not have the state which resource is managed by it,
+such as terraform's `tfstate` for simplexity.
+Instead, fubura provides `delete*` fields to delete the resource,
+so you can delete each resource by setting `delete*` field to `true`, and apply it.
+
+## Required IAM permissions
+
+```json
+{
+  "Version": "2012-10-17",
+  "Statement": [
+    {
+      "Sid": "AllowStateModification",
+      "Effect": "Allow",
+      "Action": [
+        "states:CreateStateMachine",
+        "states:UpdateStateMachine",
+        "states:DeleteStateMachine",
+        "states:TagResource",
+        "states:UntagResource",
+      ],
+      "Resource": "*"
+    },
+    {
+      "Sid": "AllowScheduleModification",
+      "Effect": "Allow",
+      "Action": [
+        "scheduler:CreateSchedule",
+        "scheduler:UpdateSchedule",
+        "scheduler:DeleteSchedule",
+      ],
+      "Resource": "*"
+    }
+  ]
+}
+```
+
+Reference:
+
+- [Actions, resources, and condition keys for AWS Step Functions](https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsstepfunctions.html)
+- [Actions, resources, and condition keys for Amazon EventBridge Scheduler](https://docs.aws.amazon.com/service-authorization/latest/reference/list_amazoneventbridgescheduler.html)
+
 ## License
 
 This project is licensed under MIT License.