docker-build-and-push.yml

# Copyright 2020 ChainSafe Systems
# SPDX-License-Identifier: LGPL-3.0-only

name: Docker build and push

on:
  push:
    branches:
      - master
    tags:
      - "v*.*.*"
jobs:
  build-and-deploy:
    name: Docker Deployment
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master' || contains(github.ref, '/tags/v')
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=centrifugeio/chainbridge
          GIT_SHORT_COMMIT=`git rev-parse --short HEAD`
          TIMESTAMP=`date -u +%Y%m%d%H`
          VERSION="${TIMESTAMP}-${GIT_SHORT_COMMIT}"
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
          fi
          echo ::set-output name=tags::${TAGS}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.prep.outputs.tags }}
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}