CircleCI 2.0 conversion for Rails app with staging and production deployed to Flynn cluster

circle.yml

dependencies:
  post:
  - gem install circleci_deployment_notifier
deployment:
  staging:
    branch: master
    owner: omniboard
    commands:
    - git fetch --unshallow || true
    - echo $CIRCLE_SHA1 > REVISION
    - git add REVISION
    - git config user.email "admins+circleci@example.com"
    - git config user.name "CircleCI Build"
    - git commit -m "Add revision"
    - 'L=./flynn && curl -sSL -A "`uname -sp`" https://dl.flynn.io/cli | zcat >$L && chmod +x $L'
    - ./flynn cluster add -p $FLYNN_STAGING_TLS_PIN staging $FLYNN_STAGING_CLUSTER $FLYNN_STAGING_AUTH_KEY
    - ./flynn -c staging -a mink-staging remote add staging
    - git push --force staging HEAD:refs/heads/master
    - circleci_deployment_notify_slack -a "Mink Staging" -u $SLACK_STAGING_WEBHOOK_URL
    - ./flynn run newrelic deployments "--user=$CIRCLE_USERNAME" --revision=$CIRCLE_SHA1
  production:
    tag: /v[0-9]+\.[0-9]+\.[0-9]+/
    owner: omniboard
    commands:
    - git fetch --unshallow || true
    - echo $CIRCLE_TAG > REVISION
    - git add REVISION
    - git config user.email "admins+circleci@example.com"
    - git config user.name "CircleCI Build"
    - git commit -m "Add revision"
    - 'L=./flynn && curl -sSL -A "`uname -sp`" https://dl.flynn.io/cli | zcat >$L && chmod +x $L'
    - ./flynn cluster add -p $FLYNN_PRODUCTION_TLS_PIN production $FLYNN_PRODUCTION_CLUSTER $FLYNN_PRODUCTION_AUTH_KEY
    - ./flynn -c production -a mink-production remote add production
    - git push --force production HEAD:refs/heads/master
    - circleci_deployment_notify_slack -a "Mink Production" -u $SLACK_PRODUCTION_WEBHOOK_URL
    - ./flynn run newrelic deployments "--user=$CIRCLE_USERNAME" --revision=$CIRCLE_TAG

circleci_config.yml

version: 2
jobs:
  test:
    working_directory: ~/mink
    docker:
      - image: ruby:2.4.0
        environment:
          DATABASE_URL: postgresql://ubuntu@localhost/mink_test?sslmode=disable
          RAILS_ENV: test
          RACK_ENV: test
      - image: postgres:9.6.2
        environment:
          POSTGRES_USER: ubuntu
          POSTGRES_DB: mink_test
          POSTGRES_PASSWORD: ""
    steps:
      - checkout
      - restore_cache:
          keys:
          - mink-{{ .Branch }}-{{ checksum "Gemfile.lock" }}
          - mink-master-{{ checksum "Gemfile.lock" }}
      - run:
          name: bundle install
          command: bundle check --path=vendor/bundle || bundle install --path=vendor/bundle --jobs=4 --retry=3 
      - save_cache:
          key: mink-{{ .Branch }}-{{ checksum "Gemfile.lock" }}
          paths:
            - "~/mink/vendor/bundle"
      - run:
          name: set up database
          command: bundle exec rake db:create db:migrate --trace
      - run:
          name: results folder
          command: mkdir /tmp/test-reports
      - run:
          name: rspec
          command: bundle exec rspec --color --require rails_helper --format RspecJunitFormatter --out /tmp/test-reports/rspec.xml spec --format doc
      - store_artifacts:
          path: /tmp/artifacts
          destination: test
      - store_test_results:
          path: /tmp/test-reports
  deploy-to-staging:
    working_directory: ~/mink
    docker:
      - image: ruby:2.4.0
        environment:
          DATABASE_URL: postgresql://ubuntu@localhost/mink_test?sslmode=disable
          RAILS_ENV: test
          RACK_ENV: test
    steps:
      - checkout
      - run:
          command: gem install circleci_deployment_notifier
      - run:
          name: install flynn CLI
          command: L=~/flynn && curl -sSL -A "`uname -sp`" https://dl.flynn.io/cli | zcat >$L && chmod +x $L
      - run:
          name: deploy to flynn
          command: |
            DEPLOY_REVISION=$CIRCLE_SHA1
            FLYNN_CLUSTER_NAME=$FLYNN_STAGING_CLUSTER
            FLYNN_APP_NAME=mink-staging
            FRIENDLY_APP_NAME="Mink Staging"
            FLYNN_TLS_PIN=$FLYNN_STAGING_TLS_PIN
            FLYNN_AUTH_KEY=$FLYNN_STAGING_AUTH_KEY
            SLACK_WEBHOOK_URL=$SLACK_STAGING_WEBHOOK_URL
            git fetch --unshallow || true;
            echo $DEPLOY_REVISION > REVISION;
            git add REVISION;
            git config user.email "admins+circleci@example.com";
            git config user.name "CircleCI Build";
            git commit -m "Add revision";
            ~/flynn cluster add -p $FLYNN_TLS_PIN flynncluster $FLYNN_CLUSTER_NAME $FLYNN_AUTH_KEY;
            ~/flynn -c flynncluster -a $FLYNN_APP_NAME remote add flynn;
            git push --force flynn HEAD:refs/heads/master;
            ~/flynn -c flynncluster -a $FLYNN_APP_NAME run rake db:migrate DB_STATEMENT_TIMEOUT_MS=300000;
            circleci_deployment_notify_slack -a "$FRIENDLY_APP_NAME" -u $SLACK_WEBHOOK_URL;
            ~/flynn run newrelic deployments "--user=$CIRCLE_USERNAME" --revision=$DEPLOY_REVISION;
  deploy-to-production:
    working_directory: ~/mink
    docker:
      - image: ruby:2.4.0
        environment:
          DATABASE_URL: postgresql://ubuntu@localhost/mink_test?sslmode=disable
          RAILS_ENV: test
          RACK_ENV: test
    steps:
      - checkout
      - run:
          command: gem install circleci_deployment_notifier
      - run:
          name: install flynn CLI
          command: L=~/flynn && curl -sSL -A "`uname -sp`" https://dl.flynn.io/cli | zcat >$L && chmod +x $L
      - run:
          name: deploy to flynn
          command: |
            DEPLOY_REVISION=$CIRCLE_TAG
            FLYNN_CLUSTER_NAME=$FLYNN_PRODUCTION_CLUSTER
            FLYNN_APP_NAME=mink-production
            FRIENDLY_APP_NAME="Mink Production"
            FLYNN_TLS_PIN=$FLYNN_PRODUCTION_TLS_PIN
            FLYNN_AUTH_KEY=$FLYNN_PRODUCTION_AUTH_KEY
            SLACK_WEBHOOK_URL=$SLACK_PRODUCTION_WEBHOOK_URL
            git fetch --unshallow || true;
            echo $DEPLOY_REVISION > REVISION;
            git add REVISION;
            git config user.email "admins+circleci@example.com";
            git config user.name "CircleCI Build";
            git commit -m "Add revision";
            ~/flynn cluster add -p $FLYNN_TLS_PIN flynncluster $FLYNN_CLUSTER_NAME $FLYNN_AUTH_KEY;
            ~/flynn -c flynncluster -a $FLYNN_APP_NAME remote add flynn;
            git push --force flynn HEAD:refs/heads/master;
            ~/flynn -c flynncluster -a $FLYNN_APP_NAME run rake db:migrate DB_STATEMENT_TIMEOUT_MS=300000;
            circleci_deployment_notify_slack -a "$FRIENDLY_APP_NAME" -u $SLACK_WEBHOOK_URL;
            ~/flynn run newrelic deployments "--user=$CIRCLE_USERNAME" --revision=$DEPLOY_REVISION;
workflows:
  version: 2
  test-and-deploy:
    jobs:
      - test:
          filters:
            tags:
              only: '/^v[0-9]+\.[0-9]+\.[0-9]+$/'
      - deploy-to-staging:
          filters:
            branches:
              only:
                - master
            tags:
              ignore: /.*/
          requires:
            - test
      - deploy-to-production:
          filters:
            tags:
              only: '/^v[0-9]+\.[0-9]+\.[0-9]+$/'
            branches:
              ignore: /.*/
          requires:
            - test