main.yml

# This is a basic workflow to help you get started with Actions

name: Build and push to Docker Hub

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: ['*']

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v2

      - name: Log in to Docker Hub
        # Uses v1.10.0, sha1 is used for better security
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Get docker tag for master
        if: github.ref == 'refs/heads/master'
        shell: bash
        run: echo "DOCKER_TAG=latest" >> $GITHUB_ENV

      - name: Get branch for all other branches
        if: github.ref != 'refs/heads/master'
        shell: bash
        run: echo "DOCKER_TAG=$(echo ${GITHUB_REF#refs/heads/} | tr / -)" >> $GITHUB_ENV

      - name: Build and push Docker image
       # Uses v2.7.0, sha1 is used for better security
        uses: docker/build-push-action@a66e35b9cbcf4ad0ea91ffcaf7bbad63ad9e0229
        with:
          context: .
          push: true
          tags: intera/ci-php-ant:${{ env.DOCKER_TAG }},intera/docker-ci-php-ant:${{ env.DOCKER_TAG }}