fix: split Docker builds into separate jobs to avoid disk space exhaustion

Each bake target now runs in its own runner via matrix strategy,
preventing the "No space left on device" error that occurred when
building all 8 images on a single runner.

Author: TimPietrusky

.changeset/split-docker-builds.md

@@ -0,0 +1,5 @@
+---
+"worker-comfyui": patch
+---
+
+fix: split Docker builds into separate jobs to avoid running out of disk space

.github/workflows/release.yml

@@ -15,6 +15,7 @@ jobs:
 
     outputs:
       hasChangesets: ${{ steps.changesets.outputs.hasChangesets }}
+      version: ${{ steps.version.outputs.version }}
 
     steps:
       - name: Checkout
@@ -42,6 +43,13 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Read version from package.json
+        id: version
+        if: >-
+          github.event_name == 'workflow_dispatch' ||
+          (steps.changesets.outputs.hasChangesets == 'false' && contains(github.event.head_commit.message, 'chore: version packages'))
+        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+
   docker:
     needs: release
     if: >-
@@ -51,6 +59,19 @@ jobs:
     permissions:
       contents: write
 
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - base
+          - sdxl
+          - sd3
+          - flux1-schnell
+          - flux1-dev
+          - flux1-dev-fp8
+          - z-image-turbo
+          - base-cuda12-8-1
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -62,10 +83,6 @@ jobs:
           rm -rf "/usr/local/share/boost"
           rm -rf "$AGENT_TOOLSDIRECTORY"
 
-      - name: Read version from package.json
-        id: version
-        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
@@ -78,16 +95,27 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Build and push the images to Docker Hub
+      - name: Build and push ${{ matrix.target }}
         uses: docker/bake-action@v2
         with:
+          targets: ${{ matrix.target }}
           push: true
           set: |
             *.args.DOCKERHUB_REPO=${{ vars.DOCKERHUB_REPO }}
             *.args.DOCKERHUB_IMG=${{ vars.DOCKERHUB_IMG }}
-            *.args.RELEASE_VERSION=${{ steps.version.outputs.version }}
+            *.args.RELEASE_VERSION=${{ needs.release.outputs.version }}
             *.args.HUGGINGFACE_ACCESS_TOKEN=${{ secrets.HUGGINGFACE_ACCESS_TOKEN }}
 
+  post-release:
+    needs: [release, docker]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Update description on Docker Hub
         uses: peter-evans/dockerhub-description@v3
         with:
@@ -98,4 +126,4 @@ jobs:
       - name: Create GitHub release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh release create "${{ steps.version.outputs.version }}" --generate-notes
+        run: gh release create "${{ needs.release.outputs.version }}" --generate-notes