Rework logic to have all image variants in one place, update readme and scripts, remove odd files

.github/workflows/publish-by-tag.yml

@@ -0,0 +1,63 @@
+name: publish-by-tag
+
+on:
+  push:
+    tags:
+      - "build/*/v*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Parse build tag
+        id: parse
+        run: ./scripts/parse-build-tag.sh "${GITHUB_REF_NAME}" "${GITHUB_OUTPUT}"
+
+      - name: Resolve variant
+        id: resolve
+        env:
+          DOCKER_USER: ${{ secrets.DOCKER_HUB_USERNAME }}
+        run: |
+          ./scripts/resolve-variant.sh \
+            --variant-id "${{ steps.parse.outputs.variant_id }}" \
+            --release "${{ steps.parse.outputs.release }}" \
+            --docker-user "${DOCKER_USER}" \
+            --output "${GITHUB_OUTPUT}"
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          platforms: ${{ steps.resolve.outputs.platforms }}
+          tags: ${{ steps.resolve.outputs.tags }}
+          build-args: |
+            UBUNTU_VERSION=${{ steps.resolve.outputs.ubuntu_version }}
+            APT_PROFILE=${{ steps.resolve.outputs.apt_profile }}
+            APT_PACKAGES_CSV=${{ steps.resolve.outputs.apt_packages_csv }}
+            JAVA_DEFAULT=${{ steps.resolve.outputs.java_default }}
+            SDK_PACKAGES_CSV=${{ steps.resolve.outputs.sdk_packages_csv }}
+            ENABLE_PROFILER=${{ steps.resolve.outputs.enable_profiler }}
+            ENABLE_PYTHON2=${{ steps.resolve.outputs.enable_python2 }}
+            ENABLE_GCC14=${{ steps.resolve.outputs.enable_gcc14 }}
+            ENABLE_EMULATOR=${{ steps.resolve.outputs.enable_emulator }}
+            ENABLE_MARATHON=${{ steps.resolve.outputs.enable_marathon }}
+            MARATHON_VERSION=${{ steps.resolve.outputs.marathon_version }}

.github/workflows/release-all-missing.yml

@@ -0,0 +1,123 @@
+name: release-all-missing
+
+on:
+  workflow_dispatch:
+    inputs:
+      release:
+        description: "Release suffix in vN format (example: v6)"
+        required: true
+        type: string
+      dry_run:
+        description: "Build without pushing images"
+        required: true
+        default: true
+        type: boolean
+      max_parallel:
+        description: "Maximum number of parallel variant builds"
+        required: true
+        default: "3"
+        type: string
+
+concurrency:
+  group: release-all-${{ inputs.release }}
+  cancel-in-progress: false
+
+jobs:
+  discover:
+    runs-on: ubuntu-latest
+    outputs:
+      missing_count: ${{ steps.missing.outputs.missing_count }}
+      matrix: ${{ steps.missing.outputs.matrix }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Validate release format
+        run: |
+          if [[ ! "${{ inputs.release }}" =~ ^v[0-9]+$ ]]; then
+            echo "Invalid release format: ${{ inputs.release }} (expected vN)" >&2
+            exit 1
+          fi
+
+      - name: Find missing variants
+        id: missing
+        env:
+          DOCKER_USER: ${{ secrets.DOCKER_HUB_USERNAME }}
+        run: |
+          ./scripts/list-missing-for-release.sh \
+            --release "${{ inputs.release }}" \
+            --docker-user "${DOCKER_USER}" \
+            --output "${GITHUB_OUTPUT}"
+
+  build-missing:
+    needs: discover
+    if: ${{ needs.discover.outputs.missing_count != '0' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: ${{ fromJSON(inputs.max_parallel) }}
+      matrix: ${{ fromJson(needs.discover.outputs.matrix) }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Resolve variant
+        id: resolve
+        env:
+          DOCKER_USER: ${{ secrets.DOCKER_HUB_USERNAME }}
+        run: |
+          ./scripts/resolve-variant.sh \
+            --variant-id "${{ matrix.variant_id }}" \
+            --release "${{ inputs.release }}" \
+            --docker-user "${DOCKER_USER}" \
+            --output "${GITHUB_OUTPUT}"
+
+      - name: Build and optionally push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ !inputs.dry_run }}
+          platforms: ${{ steps.resolve.outputs.platforms }}
+          tags: ${{ steps.resolve.outputs.tags }}
+          build-args: |
+            UBUNTU_VERSION=${{ steps.resolve.outputs.ubuntu_version }}
+            APT_PROFILE=${{ steps.resolve.outputs.apt_profile }}
+            APT_PACKAGES_CSV=${{ steps.resolve.outputs.apt_packages_csv }}
+            JAVA_DEFAULT=${{ steps.resolve.outputs.java_default }}
+            SDK_PACKAGES_CSV=${{ steps.resolve.outputs.sdk_packages_csv }}
+            ENABLE_PROFILER=${{ steps.resolve.outputs.enable_profiler }}
+            ENABLE_PYTHON2=${{ steps.resolve.outputs.enable_python2 }}
+            ENABLE_GCC14=${{ steps.resolve.outputs.enable_gcc14 }}
+            ENABLE_EMULATOR=${{ steps.resolve.outputs.enable_emulator }}
+            ENABLE_MARATHON=${{ steps.resolve.outputs.enable_marathon }}
+            MARATHON_VERSION=${{ steps.resolve.outputs.marathon_version }}
+
+  nothing-missing:
+    needs: discover
+    if: ${{ needs.discover.outputs.missing_count == '0' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: No-op
+        run: echo "All variants already exist for release ${{ inputs.release }}"

.github/workflows/validate-config.yml

@@ -0,0 +1,31 @@
+name: validate-config
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Validate variants schema and content
+        run: ./scripts/validate-variants.sh
+
+      - name: Validate build tag parser for all variants
+        run: |
+          for variant_id in $(jq -r '.variants | keys[]' variants.json); do
+            ./scripts/parse-build-tag.sh "build/${variant_id}/v9999" >/dev/null
+          done
+
+      - name: Validate variant resolution for all variants
+        run: |
+          for variant_id in $(jq -r '.variants | keys[]' variants.json); do
+            ./scripts/resolve-variant.sh \
+              --variant-id "${variant_id}" \
+              --release "v9999" \
+              --docker-user "example" \
+              >/dev/null
+          done