testing moving runtime to function level

serverless.yml

@@ -3,7 +3,6 @@ service: retrofit-platform
 provider:
   name: aws
   region: eu-west-2
-  runtime: python3.11
   architecture: x86_64
   environment:
     API_KEY: ${env:API_KEY}
@@ -46,7 +45,9 @@ custom:
 
 functions:
 
+  # ZIP-based Lambda (FastAPI)
   fastapi-backend:
+    runtime: python3.11
     handler: backend.app.main.handler
     timeout: 600
     memorySize: 512
@@ -56,6 +57,7 @@ functions:
           path: /{proxy+}
           method: ANY
 
+  # TRUE container-image Lambda (4 GB+ supported)
   model-engine-lambda:
     image:
       uri: ${env:ECR_URI}:${env:GITHUB_SHA}
@@ -66,16 +68,16 @@ functions:
       - sqs:
           arn: arn:aws:sqs:${self:provider.region}:${aws:accountId}:model-engine-queue
           batchSize: 1
-          maximumConcurrency: 12  # Heavily restricts concurrency to avoid overwhelming the ldmbda limits
-
+          maximumConcurrency: 12
 
 resources:
   Resources:
+
     EngineQueue:
       Type: AWS::SQS::Queue
       Properties:
         QueueName: model-engine-queue
-        VisibilityTimeout: 910 # must be >= lambda timeout (900)
+        VisibilityTimeout: 910
 
     FastApiLambdaRole:
       Type: AWS::IAM::Role