build-and-publish.yml

name: functions build and publish

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]
  pull_request:
    branches:
      - "*"

jobs:
  docker-build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
        with:
          fetch-depth: 1
      - name: Set up QEMU
        uses: docker/setup-qemu-action@master
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@master

      # remove me after testing
      - name: Get TAG
        id: git_tag
        run: echo "GIT_TAG=$(git describe --tags `git rev-list --tags --max-count=1`)" >> $GITHUB_ENV
      - name: Check Tag Output
        run: |
          echo "GIT_TAG=${{env.GIT_TAG}}"

      - name: Get TAG
        id: get_tag
        run: echo TAG=${{ github.sha }} >> $GITHUB_ENV
      - name: Check Tag Output
        run: |
          echo "${{env.TAG}}"
      - name: Login to Docker Hub
        uses: docker/login-action@master
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Cache Docker layers
        uses: actions/cache@master
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Build and export to Docker
        uses: docker/build-push-action@master
        with:
          context: .
          file: ./Dockerfile
          load: true
          tags: ${{ env.TEST_TAG }}
      - name: Build
        uses: docker/build-push-action@master
        with:
          context: .
          file: ./Dockerfile
          push: false
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:latest
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:${{ env.TAG }}

  # Publish when merging to main as latest and git sha
  docker-push:
    if: ${{ github.ref == 'refs/heads/main' }}
    needs: docker-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
        with:
          fetch-depth: 1
      - name: Set up QEMU
        uses: docker/setup-qemu-action@master
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@master
      - name: Get TAG
        id: get_tag
        run: echo TAG=${{ github.sha }} >> $GITHUB_ENV
      - name: Login to Docker Hub
        uses: docker/login-action@master
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Cache Docker layers
        uses: actions/cache@master
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Push to Registry
        uses: docker/build-push-action@master
        with:
          context: .
          file: ./Dockerfile
          push: true
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:latest
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:${{ env.TAG }}
      - # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
        name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

  # only push when a new git tagged release is available
  # will publish an image with git tag
  docker-push-tag:
    if: startsWith(github.event.ref, 'refs/tags/v')
    needs: docker-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
        with:
          fetch-depth: 1
      - name: Set up QEMU
        uses: docker/setup-qemu-action@master
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@master
      - name: Get TAG
        id: git_tag
        run: echo "TAG=$(git describe --tags `git rev-list --tags --max-count=1`)" >> $GITHUB_ENV
      - name: Check Tag Output
        run: |
          echo "TAG=${{env.TAG}}"
      - name: Login to Docker Hub
        uses: docker/login-action@master
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Cache Docker layers
        uses: actions/cache@master
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Push to Registry
        uses: docker/build-push-action@master
        with:
          context: .
          file: ./Dockerfile
          push: true
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:${{ env.TAG }}
      - # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
        name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache