docker.yaml

name: docker build

on:
  schedule:
  - cron: "0 10 * * *"
  push:
    branches:
    - "**"
    tags:
    - "v*.*.*"
  pull_request:
    branches:
    - "dev"

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
    - name: Set variables useful for later
      id: useful_vars
      run: |-
        echo "::set-output name=timestamp::$(date +%s)"
        echo "::set-output name=short_sha::${GITHUB_SHA::8}"
    - name: Checkout
      uses: actions/checkout@v3
    - name: Docker meta
      id: docker_meta
      uses: docker/metadata-action@v4
      with:
        images: ghcr.io/${{ github.repository }}
        tags: |
          type=schedule
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=sha,prefix=,format=long,event=tag
          type=sha
          type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
          type=raw,value=${{ github.ref_name }}-${{ steps.useful_vars.outputs.short_sha }}-${{ steps.useful_vars.outputs.timestamp }},enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2
    - name: Login to GHCR
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Cache Docker layers
      uses: actions/cache@v3
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-
    - name: Build and push
      uses: docker/build-push-action@v4
      with:
        context: .
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.docker_meta.outputs.tags }}
        labels: ${{ steps.docker_meta.outputs.labels }}
        platforms: linux/amd64,linux/arm64
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache,mode=max