name: docker

on:
  push:
    branches:
      - master
      - develop
    paths-ignore:
      - '**.md'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: checkout code
        uses: actions/checkout@v2
      - name: define branch name
        run: echo "BRANCH=$(git rev-parse --abbrev-ref HEAD)" >> $GITHUB_ENV
      - name: define commit hash
        run: echo "COMMIT_HASH=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
      - name: define staging tag
        if: env.BRANCH == 'develop'
        run: echo "TAG=staging" >> $GITHUB_ENV
      - name: define latest tag
        if: env.BRANCH == 'master'
        run: echo "TAG=latest" >> $GITHUB_ENV
      - name: set up qemu
        uses: docker/setup-qemu-action@v1
      - name: set up buildx
        id: docker_buildx
        uses: docker/setup-buildx-action@v1
      - name: log in to ghcr
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.SERVICE_USER }} # Defined in secrets for auth to registry
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: build and push
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.docker_buildx.outputs.name }}
          platforms: linux/amd64, linux/arm64
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}, ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.COMMIT_HASH }}
          build-args:
            PASTY_VERSION=${{ env.BRANCH }}-${{ env.COMMIT_HASH }}