Testing later arn

.github/workflows/deploy_fastapi_backend.yml

@@ -44,23 +44,20 @@ jobs:
           aws-secret-access-key: ${{ secrets.PROD_AWS_SECRET_ACCESS_KEY }}
           aws-region: eu-west-2
 
-      - name: Install lambda specific dependencies, with bianries, in a separate dir
-        run: |
-          mkdir python
-          pip install -r backend/requirements/lambda.txt -t python
-
-      - name: Create Layer package
-        run: |
-          zip -r layer.zip python
-
-      - name: Deploy Layer to Lambda
-        run: |
-          aws lambda publish-layer-version --layer-name LambdaDependenciesLayer --zip-file fileb://layer.zip
-
       - name: Set domain name
         id: set_domain
         run: echo "::set-output name=domain::${{ secrets[format('{0}_DOMAIN_NAME', github.ref_name)] }}"
 
+      - name: Build Lambda Layer
+        run: |
+          pip install -r requirements/lambda.txt -t python
+          zip -r layer.zip python
+
+      - name: Publish Lambda Layer
+        run: |
+          LAYER_ARN=$(aws lambda publish-layer-version --layer-name LambdaDependenciesLayer --zip-file fileb://layer.zip | jq -r '.LayerVersionArn')
+          aws ssm put-parameter --name "/${{ github.ref_name }}/LambdaDependenciesLayerArn" --value "$LAYER_ARN" --type String --overwrite
+
       - name: Deploy to AWS Lambda via Serverless
         env:
           API_KEY: ${{ secrets.FASTAPI_API_KEY }}

backend/serverless.yml

@@ -37,7 +37,7 @@ functions:
   app:
     handler: app.main.handler
     layers:
-      - { Ref: LambdaDependenciesLayer }
+      - ${ssm:/${self:provider.environment.ENVIRONMENT}/LambdaDependenciesLayerArn}
     events:
       - http:
           path: /{proxy+}