feat: Flowise Secrets Manager access policy (#531)

copilot/flowise/addons/flowise-secrets-manager-access-policy.yml

@@ -0,0 +1,39 @@
+Parameters:
+    App:
+        Type: String
+        Description: Your application's name.
+    Env:
+        Type: String
+        Description: The environment name your service, job, or workflow is being deployed to.
+    Name:
+        Type: String
+        Description: Your workload's name.
+
+Resources:
+    FlowiseSecretsManagerAccessPolicy:
+        Type: AWS::IAM::ManagedPolicy
+        Metadata:
+            'aws:copilot:description': 'Allow Flowise task role to read FlowiseEncryptionKey from Secrets Manager'
+        Properties:
+            Description: 'Read-only access for Flowise to retrieve the FlowiseEncryptionKey secret'
+            PolicyDocument:
+                Version: '2012-10-17'
+                Statement:
+                    - Sid: ReadFlowiseEncryptionKey
+                      Effect: Allow
+                      Action:
+                          - secretsmanager:GetSecretValue
+                          - secretsmanager:CreateSecret
+                          - secretsmanager:DescribeSecret
+                      Resource:
+                          - !Sub 'arn:aws:secretsmanager:${AWS::Region}:${AWS::AccountId}:secret:FlowiseEncryptionKey-*'
+                    # If you use a customer-managed KMS key for the secret, also allow kms:Decrypt:
+                    # - Sid: DecryptWithCMK
+                    #   Effect: Allow
+                    #   Action: kms:Decrypt
+                    #   Resource: arn:aws:kms:<region>:<account>:key/<your-key-id>
+
+Outputs:
+    FlowiseSecretsManagerAccessPolicyArn:
+        Description: 'Managed policy to attach to the task role for Secrets Manager access'
+        Value: !Ref FlowiseSecretsManagerAccessPolicy