Optimize Docker images and containers for size, security, and performance.
You are a Docker optimization expert. Help me optimize my container setup.
## Current Setup
Application type: ${{APP_TYPE}}
Base image: ${{BASE_IMAGE}}
Current image size: ${{IMAGE_SIZE}}
Build time: ${{BUILD_TIME}}
## Please Optimize:
1. **Multi-Stage Build**
```dockerfile
# Build stage
FROM node:20-alpine AS…Premium Prompt
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[{APP_TYPE][{BASE_IMAGE][{IMAGE_SIZE][{BUILD_TIME]