Add Docker Hub publishing (ambsd/heartmula-studio)

- Push to both ghcr.io and Docker Hub on build
- Added DOCKERHUB_USERNAME and DOCKERHUB_TOKEN secrets
- Updated README with both registry options

Author: fspecii

.github/workflows/docker-publish.yml

@@ -14,8 +14,8 @@ on:
   workflow_dispatch:  # Allow manual trigger
 
 env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  GHCR_IMAGE: ghcr.io/${{ github.repository }}
+  DOCKERHUB_IMAGE: ambsd/heartmula-studio
 
 jobs:
   build-and-push:
@@ -31,18 +31,26 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Log in to Container Registry
+      - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ env.REGISTRY }}
+          registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Extract metadata (tags, labels)
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: |
+            ${{ env.GHCR_IMAGE }}
+            ${{ env.DOCKERHUB_IMAGE }}
           tags: |
             type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
             type=semver,pattern={{version}}

README.md

@@ -156,17 +156,21 @@ Open **http://localhost:8000**
 # Create directories for persistent data
 mkdir -p backend/models backend/generated_audio backend/ref_audio
 
-# Run the pre-built image
+# Run the pre-built image (Docker Hub)
 docker run -d \
   --gpus all \
   -p 8000:8000 \
   -v ./backend/models:/app/backend/models \
   -v ./backend/generated_audio:/app/backend/generated_audio \
   -v ./backend/ref_audio:/app/backend/ref_audio \
   --name heartmula-studio \
-  ghcr.io/fspecii/heartmula-studio:latest
+  ambsd/heartmula-studio:latest
 ```
 
+**Available registries:**
+- Docker Hub: `ambsd/heartmula-studio:latest`
+- GitHub: `ghcr.io/fspecii/heartmula-studio:latest`
+
 ### What Happens on First Run
 
 1. Docker builds the image (~10GB, includes CUDA + PyTorch)