Serverless support Lambda container runtime.

serverless.yaml

service: myonlinebookstore
frameworkVersion: '2'

provider:
  name: aws
  runtime: python3.8
  lambdaHashingVersion: '20201221'
  region: us-east-1
  stage: dev
  memorySize: 128
  timeout: 90
  logs:
    http: true
  ecr:
    images:
      myonlinebookstore_lambda_book:
        path: ./

package:
  patterns:
    - '!*.md'
    - '!*.txt'
    - '!Makefile'
    - '!package-lock.json'
    - '!node_modules'
    - '!__pycache__'
    - '!Dockerfile'

functions:
  generate-book:
    description: Lambda used to randomly create book informations.
    tracing: true # X-Ray.
    tags:
      CreatedBy: Terraform
      Project: MyOnlineBookStore
      Runtime: python3.8
    events:
      - http:
          path: /
          method: get
    image:
      name: myonlinebookstore_lambda_book