taskdef.json

{
    "executionRoleArn": "arn:aws:iam::<AWS_ACCOUNT_ID>:role/<APP_NAME>_ecsTaskExecutionRole",
    "containerDefinitions": [
      {
        "name": "<APP_NAME>-rp",
        "image": "gnokoheat/ecs-reverse-proxy:latest",
        "essential": true,
        "memoryReservation": <MEMORY_RESV>,
        "portMappings": [
          {
            "hostPort": 0,
            "containerPort": 80,
            "protocol": "tcp"
          }
        ],
        "links": [
          "<APP_NAME>"
        ],
        "environment": [
          {
            "name": "LINK_PORT",
            "value": "<SERVICE_PORT>"
          },
          {
            "name": "LINK_APP",
            "value": "<APP_NAME>"
          }
        ]
      },
      {
        "name": "<APP_NAME>",
        "image": "<IMAGE_NAME>",
        "essential": true,
        "memoryReservation": <MEMORY_RESV>,
        "portMappings": [
          {
            "protocol": "tcp",
            "containerPort": <SERVICE_PORT>
          }
        ],
        "environment": [
          {
            "name": "PORT",
            "value": "<SERVICE_PORT>"
          },
          {
            "name": "APP_NAME",
            "value": "<APP_NAME>"
          }
        ]
      }
    ],
    "requiresCompatibilities": [
      "EC2"
    ],
    "networkMode": "bridge",
    "family": "<APP_NAME>"
  }