ecs-gitlab-ci.yml

ecs-gitlab-ci.yml

variables:
  CONTAINER_IMAGE_NAME: myapp
  REGISTRY: "<your_aws_account_number_here>.dkr.ecr.us-east-1.amazonaws.com"
  ECS_CLUSTER_NAME: "myecs-preprod"
  ECS_SERVICE_NAME: "myecs-preprod-svc"
  ECS_TASK_FAMILY: "myapp-preprod-fargate"
  ENV:
    value: "preprod"
    description: "Enter ENV parameter."

stages:
  - build
  - deploy-preprod

before_script:
  - $(aws ecr get-login --no-include-email --region eu-central-1)
  - echo "Build Name:" "$CI_JOB_NAME"
  - echo "Branch:" "$CI_COMMIT_REF_NAME"
  - echo "Build Stage:" "$CI_JOB_STAGE" # using gitlab predefined env


build:
  stage: build
  script:
    - docker build -t ${CONTAINER_IMAGE_NAME} .
    - docker tag ${CONTAINER_IMAGE_NAME} ${REGISTRY}/${CONTAINER_IMAGE_NAME}:${CI_ENVIRONMENT_NAME}-${CI_PIPELINE_IID}
    - docker push ${REGISTRY}/${CONTAINER_IMAGE_NAME}:${CI_ENVIRONMENT_NAME}-${CI_PIPELINE_IID}
  environment:
    name: preprod


deploy_preprod:
  stage: deploy-preprod
  only:
    refs:
      - master
  script:
    - echo "ECS FARGATE Cluster is = ${ECS_CLUSTER_NAME}"
    # replace "latest" with respectful container image version release tag
    - sed -i 's/latest/'"${CI_ENVIRONMENT_NAME}-${CI_PIPELINE_IID}"'/g' myapp-ecs-task-definition.json
    - cat myapp-ecs-task-definition.json
    # Create New Task Definition and Get Revision Number
    - export TASK_REVISION=$(aws ecs register-task-definition --family ${ECS_TASK_FAMILY} --cli-input-json file://myapp-ecs-task-definition.json --region eu-central-1 | jq --raw-output '.taskDefinition.revision')
    - echo "Registered ECS Task Definition = " $TASK_REVISION
    # Rolling Update
    - echo "Updating ECS Cluster = " $ECS_CLUSTER_NAME
    - echo "Updating Service = " $ECS_SERVICE_NAME
    - echo "Updating Task Definition = " $ECS_TASK_FAMILY:$TASK_REVISION
    - UPDATE_ECS_SERVICE=$(aws ecs update-service --cluster $ECS_CLUSTER_NAME --service $ECS_SERVICE_NAME --task-definition $ECS_TASK_FAMILY:$TASK_REVISION --desired-count 1 --region eu-central-1 | jq --raw-output '.service.serviceName')
    - echo "Deployment of $UPDATE_ECS_SERVICE has been completed"
  environment:
    name: preprod