name: Release Docker Images

# Docker image builds, split out of the main Release workflow because they take by far the
# longest and are the only part that benefits from building on our own hardware.
on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      version_tag:
        description: 'Version tag for Docker images (e.g., 0.26.2). Auto-detected from release/* branch name if empty.'
        required: false
        type: string
      tag_latest:
        description: 'Also tag images as :latest'
        required: false
        default: false
        type: boolean
      build_multi_container:
        description: 'Build and push multi-container images'
        required: false
        default: true
        type: boolean
      build_all_in_one:
        description: 'Build and push all-in-one image'
        required: false
        default: true
        type: boolean
      runner:
        description: 'Where to build. "self-hosted" needs an online runner labelled "docker-build" -- if it is offline the job queues for up to 24h and then fails. Release events always use GitHub-hosted.'
        required: false
        default: github-hosted
        type: choice
        options:
          - github-hosted
          - self-hosted

jobs:
  # Guard job to prevent releases from main branch
  valid-release:
    if: github.event_name == 'release'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Check tag target
        run: |
          BRANCHES=$(git branch -r --contains $GITHUB_SHA)

          echo "Tag is contained in:"
          echo "$BRANCHES"

          if ! echo "$BRANCHES" | grep -q "origin/release/"; then
            echo "❌ Releases must come from a release/* branch, please recreate the release from a release branch"
            exit 1
          fi

          echo "✅ Tag is on a release branch"

  # Detect version from input, branch name, or release tag
  detect-version:
    if: always() && (github.event_name != 'release' || needs.valid-release.result == 'success')
    needs: [valid-release]
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.detect.outputs.version }}
      tag_latest: ${{ steps.detect.outputs.tag_latest }}
      all_in_one_exists: ${{ steps.check-images.outputs.all_in_one_exists }}
      multi_container_exists: ${{ steps.check-images.outputs.multi_container_exists }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          sparse-checkout: .github/actions/detect-release-version

      - name: Detect version
        id: detect
        uses: ./.github/actions/detect-release-version
        with:
          version_tag: ${{ inputs.version_tag }}
          tag_latest: ${{ inputs.tag_latest }}

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

      - name: Check if Docker images already exist
        id: check-images
        run: |
          VERSION="${{ steps.detect.outputs.version }}"
          if [ -z "$VERSION" ]; then
            echo "all_in_one_exists=false" >> $GITHUB_OUTPUT
            echo "multi_container_exists=false" >> $GITHUB_OUTPUT
            echo "No version specified, images will be built"
            exit 0
          fi

          # Check all-in-one image
          if docker manifest inspect ghcr.io/aliasvault/aliasvault:${VERSION} > /dev/null 2>&1; then
            echo "all_in_one_exists=true" >> $GITHUB_OUTPUT
            echo "✅ All-in-one image ghcr.io/aliasvault/aliasvault:${VERSION} exists"
          else
            echo "all_in_one_exists=false" >> $GITHUB_OUTPUT
            echo "❌ All-in-one image does not exist"
          fi

          # Check multi-container images (check a few key ones)
          MULTI_IMAGES=(
            "ghcr.io/aliasvault/api"
            "ghcr.io/aliasvault/client"
            "ghcr.io/aliasvault/admin"
          )
          MULTI_EXISTS=true
          for IMAGE in "${MULTI_IMAGES[@]}"; do
            if ! docker manifest inspect ${IMAGE}:${VERSION} > /dev/null 2>&1; then
              echo "❌ Multi-container image ${IMAGE}:${VERSION} does not exist"
              MULTI_EXISTS=false
              break
            fi
            echo "✅ ${IMAGE}:${VERSION} exists"
          done
          echo "multi_container_exists=${MULTI_EXISTS}" >> $GITHUB_OUTPUT

  build-and-push-docker-multi-container:
    needs: [valid-release, detect-version]
    # Skip if images already exist during release (just tag them as latest instead), but allow manual rebuild via workflow_dispatch
    if: always() && (github.event_name != 'release' || needs.valid-release.result == 'success') && (github.event_name == 'release' || inputs.build_multi_container) && (github.event_name != 'release' || needs.detect-version.outputs.multi_container_exists != 'true')
    runs-on: ${{ inputs.runner == 'self-hosted' && 'docker-build' || 'ubuntu-latest' }}
    permissions:
      contents: read
      packages: write
    strategy:
      # Don't cancel the other images if one fails.
      fail-fast: false
      # On GitHub-hosted runners: cap at 2 concurrent runner slots. The heavy Client build
      # (~55 min: Rust→WASM + wasm-tools + WASM publish) holds one slot while the remaining
      # light images cycle through the second slot (~35-45 min total). This frees up the rest
      # of the CI worker pool for other workflows.
      # On self-hosted: no meaningful cap, the size of our own "docker-build" runner pool is the
      # real limit, so let every image queue and fill whatever runners are free. This is what lets
      # the pool pick these up the moment the all-in-one job finishes, instead of leaving a runner
      # idle. Each runner keeps its own persistent buildx cache, which carries the shared .NET
      # layers from one image to the next.
      max-parallel: ${{ inputs.runner == 'self-hosted' && 8 || 2 }}
      matrix:
        # Client is listed first so it claims a slot immediately and runs alongside the rest of the images.
        include:
          - image: client
            dockerfile: apps/server/AliasVault.Client/Dockerfile
            title: AliasVault Client
            description: Blazor WebAssembly client UI for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: postgres
            dockerfile: apps/server/Databases/AliasServerDb/Dockerfile
            title: AliasVault PostgreSQL
            description: PostgreSQL database for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: api
            dockerfile: apps/server/AliasVault.Api/Dockerfile
            title: AliasVault API
            description: REST API backend for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: admin
            dockerfile: apps/server/AliasVault.Admin/Dockerfile
            title: AliasVault Admin
            description: Admin portal for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: reverse-proxy
            dockerfile: apps/server/Dockerfile
            title: AliasVault Reverse Proxy
            description: Nginx reverse proxy for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: smtp
            dockerfile: apps/server/Services/AliasVault.SmtpService/Dockerfile
            title: AliasVault SMTP Service
            description: SMTP service for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: task-runner
            dockerfile: apps/server/Services/AliasVault.TaskRunner/Dockerfile
            title: AliasVault TaskRunner
            description: Background task runner for AliasVault. Part of multi-container setup and can be deployed via install.sh (see docs.aliasvault.com)
          - image: installcli
            dockerfile: apps/server/Utilities/AliasVault.InstallCli/Dockerfile
            title: AliasVault Install CLI
            description: Installation and configuration CLI for AliasVault. Used by install.sh for setup and configuration, not deployed as part of the application stack

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

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

      - name: Set up Docker Buildx (GitHub-hosted)
        if: runner.environment == 'github-hosted'
        uses: docker/setup-buildx-action@v4

      # On self-hosted we reuse a named builder across runs so its build cache survives, which is
      # what makes building the images back-to-back on a single machine fast. setup-buildx-action
      # deletes its builder in a post-step, throwing away exactly that cache.
      - name: Set up Docker Buildx (self-hosted)
        if: runner.environment == 'self-hosted'
        run: |
          docker buildx inspect aliasvault >/dev/null 2>&1 \
            || docker buildx create --name aliasvault --driver docker-container --bootstrap
          docker buildx use aliasvault

      - name: Log in to GitHub Container Registry
        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
        env:
          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
        with:
          images: ghcr.io/aliasvault/${{ matrix.image }}
          tags: |
            type=raw,value=${{ needs.detect-version.outputs.version }},enable=${{ needs.detect-version.outputs.version != '' }}
            type=raw,value=latest,enable=${{ needs.detect-version.outputs.tag_latest == 'true' }}
            type=ref,event=branch,enable=${{ needs.detect-version.outputs.version == '' }}
            type=raw,value={{branch}}-{{sha}},enable=${{ needs.detect-version.outputs.version == '' }}
          labels: |
            org.opencontainers.image.title=${{ matrix.title }}
            org.opencontainers.image.description=${{ matrix.description }}
          annotations: |
            org.opencontainers.image.description=${{ matrix.description }}

      - name: Build and push image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64,linux/arm64/v8
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          annotations: ${{ steps.meta.outputs.annotations }}

      # Keep the persistent builder cache from growing without bound on our own hardware.
      - name: Prune stale build cache
        if: always() && runner.environment == 'self-hosted'
        run: docker buildx prune --force --keep-storage=50GB

  build-and-push-docker-all-in-one:
    needs: [valid-release, detect-version]
    # Skip if images already exist during release (just tag them as latest instead), but allow manual rebuild via workflow_dispatch
    if: always() && (github.event_name != 'release' || needs.valid-release.result == 'success') && (github.event_name == 'release' || inputs.build_all_in_one) && (github.event_name != 'release' || needs.detect-version.outputs.all_in_one_exists != 'true')
    runs-on: ${{ inputs.runner == 'self-hosted' && 'docker-build' || 'ubuntu-latest' }}
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      # Free up disk space of unused tools on the GitHub runner as the all-in-one build consumes a
      # lot of disk space. Never do this on self-hosted: it would delete the machine's own
      # toolchains and wipe the build cache we rely on.
      - name: Free up disk space
        if: runner.environment == 'github-hosted'
        run: |
          echo "Disk before cleanup:"
          df -h /
          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
          sudo rm -rf /usr/local/share/boost "$AGENT_TOOLSDIRECTORY"
          sudo docker image prune --all --force || true
          echo "Disk after cleanup:"
          df -h /

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

      - name: Set up Docker Buildx (GitHub-hosted)
        if: runner.environment == 'github-hosted'
        uses: docker/setup-buildx-action@v4

      - name: Set up Docker Buildx (self-hosted)
        if: runner.environment == 'self-hosted'
        run: |
          docker buildx inspect aliasvault >/dev/null 2>&1 \
            || docker buildx create --name aliasvault --driver docker-container --bootstrap
          docker buildx use aliasvault

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata for all-in-one image
        id: meta
        uses: docker/metadata-action@v6
        env:
          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
        with:
          images: |
            ghcr.io/aliasvault/aliasvault
            aliasvault/aliasvault
          tags: |
            type=raw,value=${{ needs.detect-version.outputs.version }},enable=${{ needs.detect-version.outputs.version != '' }}
            type=raw,value=latest,enable=${{ needs.detect-version.outputs.tag_latest == 'true' }}
            type=ref,event=branch,enable=${{ needs.detect-version.outputs.version == '' }}
            type=raw,value={{branch}}-{{sha}},enable=${{ needs.detect-version.outputs.version == '' }}
          labels: |
            org.opencontainers.image.title=AliasVault All-in-One
            org.opencontainers.image.description=Self-contained AliasVault server including web app, with all services bundled using s6-overlay. Single container solution for easy deployment (see docs.aliasvault.com).
          annotations: |
            org.opencontainers.image.description=Self-contained AliasVault server including web app, with all services bundled using s6-overlay. Single container solution for easy deployment (see docs.aliasvault.com).

      - name: Build and push all-in-one image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: dockerfiles/all-in-one/Dockerfile
          platforms: linux/amd64,linux/arm64/v8
          # Mark this as the official published image (local builds default to "aio-build").
          build-args: |
            DEPLOYMENT_MODE=aio
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          annotations: ${{ steps.meta.outputs.annotations }}

      - name: Prune stale build cache
        if: always() && runner.environment == 'self-hosted'
        run: docker buildx prune --force --keep-storage=50GB

  # Tag existing images as :latest without rebuilding (for release events when images already exist)
  tag-docker-images-latest:
    needs: [valid-release, detect-version]
    if: github.event_name == 'release' && needs.valid-release.result == 'success' && needs.detect-version.outputs.tag_latest == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Tag all-in-one images as latest
        if: needs.detect-version.outputs.all_in_one_exists == 'true'
        run: |
          VERSION="${{ needs.detect-version.outputs.version }}"
          echo "Tagging ghcr.io/aliasvault/aliasvault:${VERSION} as latest..."
          docker buildx imagetools create -t ghcr.io/aliasvault/aliasvault:latest ghcr.io/aliasvault/aliasvault:${VERSION}
          docker buildx imagetools create -t aliasvault/aliasvault:latest aliasvault/aliasvault:${VERSION}

      - name: Tag multi-container images as latest
        if: needs.detect-version.outputs.multi_container_exists == 'true'
        run: |
          VERSION="${{ needs.detect-version.outputs.version }}"
          IMAGES=(
            "ghcr.io/aliasvault/postgres"
            "ghcr.io/aliasvault/api"
            "ghcr.io/aliasvault/client"
            "ghcr.io/aliasvault/admin"
            "ghcr.io/aliasvault/reverse-proxy"
            "ghcr.io/aliasvault/smtp"
            "ghcr.io/aliasvault/task-runner"
            "ghcr.io/aliasvault/installcli"
          )
          for IMAGE in "${IMAGES[@]}"; do
            if docker manifest inspect ${IMAGE}:${VERSION} > /dev/null 2>&1; then
              echo "Tagging ${IMAGE}:${VERSION} as latest..."
              docker buildx imagetools create -t ${IMAGE}:latest ${IMAGE}:${VERSION}
            else
              echo "⚠️ Skipping ${IMAGE}:${VERSION} (does not exist)"
            fi
          done