CircleCI config to build & deploy to AWS EBS/EC2

config.yml

version: 2.1

aliases:
  - &restore-cache
    restore_cache:
      name: Restore Yarn Package Cache
      key: yarn-packages-{{ checksum "yarn.lock" }}
  - &install-deps
    run:
      name: Install dependencies
      command: yarn install --frozen-lockfile
  - &copy-env
    run:
      name: Copy Env File
      command: cp .env.circleci .env
  - &build-app
    run:
      name: Build App
      command: yarn build
  - &deployment-deps
    run:
      name: Installing deployment dependencies
      command: |
        sudo apt-get -y -qq update
        sudo apt-get install python-pip python-dev build-essential
        sudo pip install --upgrade setuptools
        sudo pip install awsebcli --upgrade

jobs:
  build:
    docker:
      - image: circleci/node:12.17.0
    steps:
      - checkout
      - *restore-cache
      - *install-deps
      - save_cache:
          name: Save Yarn Package Cache
          key: yarn-packages-{{ checksum "yarn.lock" }}
          paths:
            - ~/.cache/yarn
            - ./node_modules
      - *copy-env
      - *build-app
  migrate_and_seed:
    docker:
      - image: circleci/node:12.17.0
        environment:
          POSTGRES_HOST: localhost
          POSTGRES_PORT: 5432
          POSTGRES_DATABASE: app_circleci
          POSTGRES_USERNAME: app
          POSTGRES_PASSWORD: app
      - image: circleci/postgres:11.5-alpine
        environment:
          POSTGRES_USER: app
          POSTGRES_PASSWORD: app
          POSTGRES_DB: app_circleci
    steps:
      - checkout
      - *restore-cache
      - *install-deps
      - *copy-env
      - run:
          name: Waiting for Postgres to be ready
          command: |
            for i in `seq 1 10`;
            do
              nc -z localhost 5432 && echo Success && exit 0
              echo -n .
              sleep 1
            done
            echo Failed waiting for Postgres && exit 1
      - run:
          name: Run migrations
          command: yarn migration:run
      - run:
          name: Run seeders
          command: yarn seed
  deploy_to_ebs:
    docker:
      - image: circleci/python:3.8
    steps:
      - checkout
      - *deployment-deps
      - run:
          name: Initialize Elastic Beanstalk
          command: eb init $AWS_EB_STAGING_APP -p "$AWS_EB_STAGING_PLATFORM" -r $AWS_DEFAULT_REGION -k $AWS_EB_STAGING_EC2_KEY
      - run:
          name: Deploy app using Elastic Beanstalk
          command: eb deploy $AWS_EB_STAGING_ENV -m "{$APP_DESCRIPTION}"
  deploy_to_ec2:
    machine:
      enabled: true
    steps:
      - add_ssh_keys:
          fingerprints:
            - "{$SERVER_FINGERPRINT}"
      - checkout
      - run:
          name: Copy files to production server
          command: |
            rsync -avr --exclude ".env" --exclude ".git" ./ $SSH_USER@$SSH_HOST:/home/ubuntu/app --delete
      - run:
          name: Build image on production server and restart docker service
          command: |
            ssh $SSH_USER@$SSH_HOST "cd /home/ubuntu/app && /snap/bin/docker-compose -f docker-compose.production.yml build backend && /snap/bin/docker-compose -f docker-compose.production.yml up --no-deps -d backend && docker image prune -a -f"

workflows:
  version: 2.1
  build-and-test:
    jobs:
      - build:
          context: app-testing
      - migrate_and_seed:
          context: app-testing
          requires:
            - build
  build-and-deploy-to-ebs:
    jobs:
      - build:
          context: app-testing
          filters:
              branches:
                only:
                  - develop
      - deploy_to_ebs:
          context: app-staging
          requires:
            - build
          filters:
            branches:
              only:
                - develop
  build-and-deploy-to-ec2:
    jobs:
      - build:
          context: app-testing
          filters:
              branches:
                only:
                  - master
      - deploy_to_ec2:
          context: app-production
          requires:
            - build
          filters:
            branches:
              only:
                - master