add docker workflow

Author: CoderYellow

.github/workflows/docker-bump.yml

@@ -0,0 +1,86 @@
+name: Docker Auto Bump
+
+on:
+  push:
+    branches:
+      - gh-pages
+
+permissions:
+  contents: read
+  packages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    if: startsWith(github.event.head_commit.message, 'bump(docker):')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # --------------------------------------------
+      # Extract target directory from commit message
+      # --------------------------------------------
+      - name: Parse commit message
+        id: parse
+        run: |
+          MSG="${{ github.event.head_commit.message }}"
+          DIR=$(echo "$MSG" | sed -E 's/^bump\(docker\):[[:space:]]*//')
+          IMAGE_NAME=$(basename "$DIR")
+
+          echo "dir=$DIR" >> $GITHUB_OUTPUT
+          echo "image_name=$IMAGE_NAME" >> $GITHUB_OUTPUT
+
+      # --------------------------------------------
+      # Login to GHCR
+      # --------------------------------------------
+      - name: Login to GHCR
+        run: |
+          echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      # --------------------------------------------
+      # Get latest version from GHCR
+      # --------------------------------------------
+      - name: Determine next version
+        id: version
+        run: |
+          IMAGE="ghcr.io/openprojectx/${{ steps.parse.outputs.image_name }}"
+
+          echo "Checking existing tags for $IMAGE"
+
+          TAGS=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+            https://ghcr.io/v2/openprojectx/${{ steps.parse.outputs.image_name }}/tags/list \
+            | jq -r '.tags[]?' | sort -V)
+
+          if [ -z "$TAGS" ]; then
+            VERSION="0.1.0"
+          else
+            LATEST=$(echo "$TAGS" | tail -n1)
+            IFS='.' read -r MAJOR MINOR PATCH <<< "$LATEST"
+            PATCH=$((PATCH + 1))
+            VERSION="$MAJOR.$MINOR.$PATCH"
+          fi
+
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+      # --------------------------------------------
+      # Setup Docker Buildx
+      # --------------------------------------------
+      - name: Setup Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # --------------------------------------------
+      # Build & Push with registry cache
+      # --------------------------------------------
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ steps.parse.outputs.dir }}
+          push: true
+          tags: |
+            ghcr.io/openprojectx/${{ steps.parse.outputs.image_name }}:${{ steps.version.outputs.version }}
+            ghcr.io/openprojectx/${{ steps.parse.outputs.image_name }}:latest
+          cache-from: type=registry,ref=ghcr.io/openprojectx/${{ steps.parse.outputs.image_name }}:buildcache
+          cache-to: type=registry,ref=ghcr.io/openprojectx/${{ steps.parse.outputs.image_name }}:buildcache,mode=max