Configuration with Docker Build

metadata:
  appname: "xxxxx"
role:
  managed_policies: []
  statements:
    - sid: "ssmactions"
      resources: ["*"]
      actions: ["ssmmessages:CreateControlChannel", "ssmmessages:CreateDataChannel", "ssmmessages:OpenControlChannel", "ssmmessages:OpenDataChannel", "secretsmanager:*"]
      effect: "Allow"
    - sid: "s3actions"
      resources: ["*"]
      actions: ["s3:*"]
      effect: "Allow"
execution_role:
  managed_policies: ["service-role/AmazonECSTaskExecutionRolePolicy", "AmazonEC2ContainerRegistryReadOnly"]
  statements:
    - sid: "secretmanageractions"
      resources: ["*"]
      actions: ["secretsmanager:GetSecretValue"]
      effect: "Allow"
task_definition:
  resources:
    limits:
      cpu: 2
      memory: 4096
  containers:
    - name: xxxxx
      image: xxxxx.dkr.ecr.eu-west-1.amazonaws.com/xxxxx:xxxxx-dev.1
      user: xxxxx
      build:
        dockerfile: Dockerfile
        args:
          ARGS1: "xxxxx"
          ARGS2: "xxxxx"
      tty: true
      command: "/bin/bash"
      resources:
        limits:
          cpu: 1
          memory: 2048
      synchronize:
        root: "."
        exclude:
          - ".git"
      port_forward:
        - "8000:8000"
      env: []
      secrets: []

You can also use target: xxxx to choose which target you will build with.