Misc/dev setup changes (#26)

* Pin localstack image version.

* Use http://localstack:4566/ as default endpoint for lambda <-> communication within localstack.

* Pin sam/build-python image version.

* Formatting fix.

* Shorten env var name LOCALSTACK_INTERNAL_DYNAMODB_ENDPOINT

Author: acerathereinspirative-nhs-nvir

.github/workflows/stage-4-acceptance.yaml

@@ -111,7 +111,7 @@ jobs:
     needs: environment-set-up
     timeout-minutes: 10
     env:
-      LOCALSTACK_INTERNAL_DYNAMODB_ENDPOINT: http://localstack:4566/
+      LOCALSTACK_INTERNAL_ENDPOINT: http://localstack:4566/
     steps:
       - name: "Checkout code"
         uses: actions/checkout@v4

pyproject.toml

@@ -54,7 +54,7 @@ pytest-docker = "^3.2.0"
 stamina = "^25.1.0"
 
 [tool.poetry-plugin-lambda-build]
-docker-image = "public.ecr.aws/sam/build-python3.13:latest-x86_64"
+docker-image = "public.ecr.aws/sam/build-python3.13:1.135-x86_64"
 docker-network = "host"
 docker-platform = "linux/x86_64"
 package-artifact-path = "dist/lambda.zip"

tests/docker-compose.yml

@@ -1,7 +1,7 @@
 services:
   localstack:
 #    container_name: "${LOCALSTACK_DOCKER_NAME:-localstack-main}"
-    image: localstack/localstack
+    image: localstack/localstack:4.2.0
     ports:
       - "4566:4566"            # LocalStack Gateway
       - "4510-4559:4510-4559"  # external services port range

tests/integration/conftest.py

@@ -92,9 +92,7 @@ def flask_function(lambda_client: BaseClient) -> str:
             Timeout=180,
             Environment={
                 "Variables": {
-                    "DYNAMODB_ENDPOINT": os.getenv(
-                        "LOCALSTACK_INTERNAL_DYNAMODB_ENDPOINT", "http://host.docker.internal:4566"
-                    ),
+                    "DYNAMODB_ENDPOINT": os.getenv("LOCALSTACK_INTERNAL_ENDPOINT", "http://localstack:4566/"),
                     "AWS_REGION": AWS_REGION,
                 }
             },