docker.yml

name: Docker

on:
  release:
    types: [published]
  push:
    branches: [dev]
  pull_request:
    types: [opened, synchronize, reopened]
  workflow_dispatch:
    inputs:
      tag:
        description: 'Image tag (e.g. test, pr-72)'
        required: true

permissions:
  contents: read
  packages: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          fetch-depth: 1
          show-progress: false

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GHCR
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
            type=raw,value=dev,enable=${{ github.ref == 'refs/heads/dev' }}
            type=raw,value=dev-{{sha}},enable=${{ github.ref == 'refs/heads/dev' }}
            type=raw,value=${{ inputs.tag }},enable=${{ github.event_name == 'workflow_dispatch' }}

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ inputs.tag || github.ref_name }}
            BUILD_DATE=${{ github.event.release.created_at || github.event.head_commit.timestamp }}
            VCS_REF=${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max