【Tips寄り】S3に配置したJavaのソースコードをCodePipelineでECSにデプロイしてみた

{
    "taskDefinitionArn": "arn:aws:ecs:ap-northeast-1:[AWSアカウントID]:task-definition/java:1",
    "containerDefinitions": [
        {
            "name": "java",
            "image": "[AWSアカウントID].dkr.ecr.ap-northeast-1.amazonaws.com/java/test:[イメージタグ]",
            "cpu": 0,
            "portMappings": [
                {
                    "name": "java-8081-tcp",
                    "containerPort": 8081,
                    "hostPort": 8081,
                    "protocol": "tcp",
                    "appProtocol": "http"
                }
            ],
            "essential": true,
            "environment": [],
            "environmentFiles": [],
            "mountPoints": [],
            "volumesFrom": [],
            "ulimits": [],
            "logConfiguration": {
                "logDriver": "awslogs",
                "options": {
                    "awslogs-group": "/ecs/java",
                    "mode": "non-blocking",
                    "awslogs-create-group": "true",
                    "max-buffer-size": "25m",
                    "awslogs-region": "ap-northeast-1",
                    "awslogs-stream-prefix": "ecs"
                },
                "secretOptions": []
            },
            "systemControls": []
        }
    ],
    "family": "java",
    "taskRoleArn": "arn:aws:iam::[AWSアカウントID]:role/test-ecs-role",
    "executionRoleArn": "arn:aws:iam::[AWSアカウントID]:role/ecsTaskExecutionRole",
    "networkMode": "awsvpc",
    "revision": 1,
    "volumes": [],
    "status": "ACTIVE",
    "requiresAttributes": [
        {
            "name": "com.amazonaws.ecs.capability.logging-driver.awslogs"
        },
        {
            "name": "ecs.capability.execution-role-awslogs"
        },
        {
            "name": "com.amazonaws.ecs.capability.ecr-auth"
        },
        {
            "name": "com.amazonaws.ecs.capability.docker-remote-api.1.19"
        },
        {
            "name": "com.amazonaws.ecs.capability.docker-remote-api.1.28"
        },
        {
            "name": "com.amazonaws.ecs.capability.task-iam-role"
        },
        {
            "name": "ecs.capability.execution-role-ecr-pull"
        },
        {
            "name": "com.amazonaws.ecs.capability.docker-remote-api.1.18"
        },
        {
            "name": "ecs.capability.task-eni"
        },
        {
            "name": "com.amazonaws.ecs.capability.docker-remote-api.1.29"
        }
    ],
    "placementConstraints": [],
    "compatibilities": [
        "EC2",
        "FARGATE"
    ],
    "requiresCompatibilities": [
        "FARGATE"
    ],
    "cpu": "256",
    "memory": "512",
    "runtimePlatform": {
        "cpuArchitecture": "ARM64",
        "operatingSystemFamily": "LINUX"
    },
    "registeredAt": "2025-01-07T01:02:28.954Z",
    "registeredBy": "arn:aws:sts::[AWSアカウントID]:assumed-role/AWSCodePipelineServiceRole-ap-northeast-1-java-pipeline-2/1736211748606",
    "enableFaultInjection": false,
    "tags": []
}

version: 0.2

phases:
  pre_build:
    commands:
      - aws ecr get-login-password --region $AWS_DEFAULT_REGION | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.ap-northeast-1.amazonaws.com
      - IMAGE_TAG=$CODEBUILD_RESOLVED_SOURCE_VERSION
  build:
    commands:
      - docker build -t $IMAGE_REPO_NAME/$ENV:$IMAGE_TAG .
      - docker tag $IMAGE_REPO_NAME/$ENV:$IMAGE_TAG $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME/$ENV:$IMAGE_TAG
  post_build:
    commands:
      - docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME/$ENV:$IMAGE_TAG # ECRへプッシュ
      - printf '[{"name":"%s","imageUri":"%s"}]' $CONTAINER_NAME $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME/$ENV:$IMAGE_TAG  > imagedefinitions.json

artifacts:
  files:
    - imagedefinitions.json