GitHub action for a vanilla Rails app with linting and auto-formatting

ci.yml

name: CI
on: [push]

jobs:
  tests:
    name: Tests
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: myapp
          POSTGRES_DB: redirect_test
          POSTGRES_PASSWORD: password
        ports: ["5432:5432"]
        options: --health-cmd pg_isready --health-interval 4s --health-timeout 2s --health-retries 10

    env:
      PGHOST: localhost
      PGUSER: myapp
      PGPASSWORD: password
      PIPE_ENV: test
      RAILS_ENV: test
      RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
      - name: Ruby gem cache
        uses: actions/cache@v2
        with:
          path: vendor/bundle
          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-gems-
      - name: Install gems
        run: |
          bundle config path vendor/bundle
          bundle install --jobs 4 --retry 3

      - name: Setup Node
        uses: actions/setup-node@v1
        with:
          node-version: '14'
      - name: Find yarn cache location
        id: yarn-cache
        run: echo "::set-output name=dir::$(yarn cache dir)"
      - name: JS package cache
        uses: actions/cache@v1
        with:
          path: ${{ steps.yarn-cache.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-
      - name: Setup
        run: |
          bin/setup
      - name: Run tests
        run: bin/rspec
      - name: Lint JS
        run: node_modules/.bin/prettier --check
      - name: Lint Ruby
        run: ./bin/standardrb