AWS Fargate GitLab Pipeline

.gitlab-ci.yml

stages:
  - build
  - deploy

variables:
  BASE_REPOSITORY_URL: 936832894876.dkr.ecr.us-east-2.amazonaws.com/slackbot/feedback-bot

.aws_setup:
  image: docker:latest
  services:
    - docker:dind
  before_script:
    - apk add --no-cache curl jq python py-pip
    - pip install awscli
    - $(aws ecr get-login --no-include-email --region $AWS_REGION)
  tags:
    - docker

# BUILD

.build_job:
  extends: .aws_setup
  stage: build
  script:
    - docker build -t $REPOSITORY_URL .
    - docker push $REPOSITORY_URL

build_dev:
  extends: .build_job
  variables:
    REPOSITORY_URL: ${BASE_REPOSITORY_URL}:dev
  environment:
    name: development
  only:
    - develop

build_prod:
  extends: .build_job
  variables:
    REPOSITORY_URL: ${BASE_REPOSITORY_URL}
  environment:
    name: production
  only:
    - master

# DEPLOY

.deploy_job:
  extends: .aws_setup
  stage: deploy
  script:
    - aws ecs register-task-definition
      --family $TASK_DEF_NAME
      --requires-compatibilities FARGATE
      --cli-input-json $TASK_DEF_FILE
      --region $AWS_REGION
    - aws ecs update-service
      --cluster $ECS_CLUSTER
      --service feedback-bot
      --task-definition $TASK_DEF_NAME
      --region $AWS_REGION

deploy_dev:
  extends: .deploy_job
  variables:
    ECS_CLUSTER: slackbot-dev
    TASK_DEF_NAME: feedback-bot-dev
    TASK_DEF_FILE: file://aws/task-def-dev.json
  environment:
    name: development
  only:
    - develop

deploy_prod:
  extends: .deploy_job
  variables:
    ECS_CLUSTER: slackbot-prod
    TASK_DEF_NAME: feedback-bot-prod
    TASK_DEF_FILE: file://aws/task-def-prod.json
  environment:
    name: production
  when: manual
  allow_failure: false
  only:
    - master