publish DOCKER_IMAGE_FIX

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+# 🐛 Docker Image Pull Issue - Fixed
+
+## Problem Identified
+
+The deployment was failing on new machines because:
+
+1. ❌ **No image published** - The Docker image `aiulian25/soundwave:latest` was never pushed to Docker Hub
+2. ❌ **No CI/CD pipeline** - No automated builds to GitHub Container Registry
+3. ❌ **No fallback option** - Users couldn't build locally if pull failed
+
+## Solutions Implemented
+
+### 1. GitHub Actions Workflow (Automated)
+
+Created [`.github/workflows/docker-publish.yml`](.github/workflows/docker-publish.yml):
+- ✅ Automatically builds Docker image on push to main/master
+- ✅ Publishes to GitHub Container Registry (ghcr.io)
+- ✅ Supports multi-platform (amd64, arm64)
+- ✅ Creates versioned tags for releases
+- ✅ Uses GitHub Actions cache for faster builds
+
+### 2. Updated docker-compose.yml
+
+Changed image source from Docker Hub to GitHub Container Registry:
+```yaml
+image: ghcr.io/aiulian25/soundwave:latest
+```
+
+Added commented build option as fallback:
+```yaml
+# build:
+#   context: .
+#   dockerfile: Dockerfile
+```
+
+## 🚀 How to Use
+
+### For End Users (After First Push)
+
+**Option 1: Pull Pre-built Image** (Recommended)
+```bash
+# Clone repository
+git clone https://github.com/aiulian25/soundwave.git
+cd soundwave
+
+# Start services (will pull from ghcr.io)
+docker compose up -d
+```
+
+**Option 2: Build Locally** (If pull fails or for development)
+```bash
+# Clone repository
+git clone https://github.com/aiulian25/soundwave.git
+cd soundwave
+
+# Build frontend first
+cd frontend
+npm install
+npm run build
+cd ..
+
+# Build and start with Docker
+docker compose up -d --build
+```
+
+### For Repository Owner (First Time Setup)
+
+1. **Push to GitHub** - Push this repository to GitHub
+2. **Enable Package Publishing**:
+   - Go to repository Settings → Actions → General
+   - Under "Workflow permissions", select "Read and write permissions"
+   - Check "Allow GitHub Actions to create and approve pull requests"
+3. **Trigger First Build**:
+   - Push to main branch, or
+   - Go to Actions → "Build and Publish Docker Image" → Run workflow
+
+The image will be published to: `ghcr.io/yourusername/soundwave:latest`
+
+### Making the Image Public
+
+By default, GitHub Container Registry images are private. To make it public:
+
+1. Go to your GitHub profile → Packages
+2. Click on `soundwave` package
+3. Click "Package settings"
+4. Scroll to "Danger Zone"
+5. Click "Change visibility" → "Public"
+
+## 📝 Deployment Files Updated
+
+1. ✅ [`.github/workflows/docker-publish.yml`](.github/workflows/docker-publish.yml) - CI/CD pipeline
+2. ✅ [`docker-compose.yml`](docker-compose.yml) - Updated image reference
+3. ✅ This troubleshooting guide
+
+## 🔄 Updating the Image
+
+After pushing code changes:
+1. GitHub Actions automatically builds new image
+2. Users pull latest with: `docker compose pull && docker compose up -d`
+
+## 🛠️ Alternative: Docker Hub
+
+If you prefer Docker Hub over GitHub Container Registry:
+
+1. **Login to Docker Hub**:
+   ```bash
+   docker login
+   ```
+
+2. **Build and push**:
+   ```bash
+   cd frontend && npm install && npm run build && cd ..
+   docker build -t aiulian25/soundwave:latest .
+   docker push aiulian25/soundwave:latest
+   ```
+
+3. **Update docker-compose.yml**:
+   ```yaml
+   image: aiulian25/soundwave:latest
+   ```
+
+4. **Add to GitHub Secrets** (for automation):
+   - Repository Settings → Secrets → Actions
+   - Add `DOCKERHUB_USERNAME` and `DOCKERHUB_TOKEN`
+   - Update workflow to use Docker Hub
+
+## 📋 Quick Reference
+
+**Current Image Location**: `ghcr.io/aiulian25/soundwave:latest`  
+**Build Context**: Root directory (includes frontend/dist)  
+**Platforms Supported**: linux/amd64, linux/arm64  
+**Auto-build**: On push to main/master branch  
+
+## ✅ Verification
+
+After setup, verify the image is available:
+
+```bash
+# Check if image exists (after first GitHub Actions run)
+docker pull ghcr.io/aiulian25/soundwave:latest
+
+# Or check GitHub Packages
+# Visit: https://github.com/yourusername?tab=packages
+```
+
+## 🎯 Benefits
+
+1. **Zero-config for users** - Just `docker compose up -d`
+2. **Automatic updates** - CI/CD builds on every push
+3. **Multi-platform** - Works on Intel and ARM (Apple Silicon, Raspberry Pi)
+4. **Version tags** - Can pin to specific versions
+5. **Fallback option** - Can build locally if needed