BUTR.NexusModsStats/.github/workflows/backend-docker.yml at master · BUTR/BUTR.NexusModsStats · GitHub

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name: Publish Backend Docker Image

on:
  push:
    branches:
      - master
    paths:
      - ".github/workflows/backend-docker.yml"
      - "nmstats.Dockerfile"
      - "src/**"
      - "build/**"
  workflow_dispatch:

jobs:
  build-and-publish-docker:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v7

      - name: Compute deploy tag
        id: deploy_tag
        run: echo "tag=sha-$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"

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

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

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

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/butr/nmstats
          tags: |
            type=raw,value=${{ steps.deploy_tag.outputs.tag }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and Push
        id: docker_build
        uses: docker/build-push-action@v7
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: ./
          file: ./nmstats.Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.deploy_tag.outputs.tag }}
          # GitHub-managed cache (type=gha): GitHub garbage-collects it (7-day eviction + per-repo size cap),
          # unlike type=local which grew unbounded in /tmp and was kept alive by the actions/cache restore-keys.
          # mode=max also caches intermediate (restore/publish) layers, not just the final image.
          cache-from: type=gha,scope=nmstats
          cache-to: type=gha,scope=nmstats,mode=max

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}

      - name: Generate dispatch token
        id: app-token
        uses: actions/create-github-app-token@v3
        with:
          app-id: ${{ vars.DISPATCH_APP_ID }}
          private-key: ${{ secrets.DISPATCH_APP_KEY }}

      - name: Trigger 'deploy-docker-image'
        uses: peter-evans/repository-dispatch@v4
        with:
          token: ${{ steps.app-token.outputs.token }}
          repository: BUTR/BUTR.NexusModsStats
          event-type: deploy-docker-image
          client-payload: '{"image_tag": "${{ steps.deploy_tag.outputs.tag }}"}'