main.yml

name: Gatsby Publish

on:
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1

      - uses: actions/setup-node@v1
        with:
          node-version: 12

      - name: Yarn cache directory
        id: yarn-cache-dir
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - name: Yarn cache
        uses: actions/cache@v1
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      # In order to make gatsby incremental build works, it's necessary .cache
      # and public folder.
      - name: Gatsby Cache Folder
        uses: actions/cache@v1
        id: gatsby-cache-folder
        with:
          path: .cache
          key: ${{ runner.os }}-cache-gatsby
          restore-keys: |
            ${{ runner.os }}-cache-gatsby

      - name: Gatsby Public Folder
        uses: actions/cache@v1
        id: gatsby-public-folder
        with:
          path: public/
          key: ${{ runner.os }}-public-gatsby
          restore-keys: |
            ${{ runner.os }}-public-gatsby

      - run: yarn install --pure-lockfile
        name: Install dependencies



      - run: yarn build --log-pages
        name: Build
        env:
          # incremental builds
          # https://www.gatsbyjs.org/docs/page-build-optimizations-for-incremental-data-changes/
          GATSBY_EXPERIMENTAL_PAGE_BUILD_ON_DATA_CHANGES: true
          NODE_ENV: production
          ENVIRONMENT: ${{ contains(github.ref, 'master') && 'production' || 'staging'}}
      - name: Deploy 🚀
        uses: JamesIves/github-pages-deploy-action@3.5.9
        with:
          GITHUB_TOKEN: ${{ github.token }}
          BRANCH: gh-pages # The branch the action should deploy to.
          FOLDER: public # The folder the action should deploy.