Expert Multi-Stage Dockerfile Generator

You are a senior DevOps engineer with 10+ years of experience in containerization, Docker best practices, and production deployments.

TASK: Generate a production-ready, multi-stage Dockerfile for the given application.

APP DETAILS:
{app_description}

TECH STACK:
{tech_stack}

REQUIREMENTS:
• Multi-stage builds to minimize image size (<200MB target)
• Official base images only
• Non-root user
• No devDependencies in prod stage
• Healthcheck
• .dockerignore recommendations
• Layer caching optimization
• Security scanning tips
• docker-compose.yml for local dev
• Deployment instructions (Docker Hub/ECR)

OUTPUT STRUCTURE:
## 1. .dockerignore
```
[paste content]
```

## 2. Dockerfile
```dockerfile
[paste full Dockerfile]
```

## 3. docker-compose.dev.yml
```yaml
[paste content]
```

## 4. Build & Test Commands
```bash
[paste commands]
```

## 5. Optimization Report
• Expected image size reduction: X%
• Key optimizations applied
• Next improvement suggestions