build.yml

name: Build and Publish Docker

on:
  workflow_dispatch:
  push:
    branches:
      - 'main'
    paths:
      - 'Dockerfile'
      - 'requirements.txt'
      - '.github/workflows/build.yml'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'main'
    paths:
      - 'Dockerfile'
      - 'requirements.txt'
      - '.github/workflows/build.yml'

jobs:
  build_and_push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: sequencer
    steps:
      - uses: actions/checkout@v2
      - name: free disk space
        run: |
          sudo swapoff -a
          sudo rm -f /swapfile
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /opt/ghc
          sudo rm -rf "/usr/local/share/boost"
          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
          sudo apt clean
          docker rmi $(docker image ls -aq)
          df -h
      - uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          # branch event
          # tag event
          # pull request event
          # sha
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha
      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          target: development
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache