/docker-build

Build optimized Docker image for Node.js application

# Build Docker Image

Build an optimized Docker image using multi-stage builds.

Use the Task tool to launch the **deployer** agent with instructions:

1. Check for existing Dockerfile, create if missing

2. Ensure Dockerfile uses multi-stage build pattern:
   - Stage 1: Dependencies
   - Stage 2: Build
   - Stage 3: Production runner

3. Build the image:
   

4. Build with specific tag:
   

5. Build with build arguments:
   

6. Verify image size:
   

7. Test the image locally:
   

8. Check for vulnerabilities:
   

9. Verify health check:
   

**Dockerfile Template:**


**Quality Requi...