Best Practices
5.1 Dockerfile Optimization Tips
| Practice | Why |
|---|---|
| Use specific base image tags | Ensures reproducible builds |
| Copy dependency files first | Leverages Docker layer caching |
| Run as non-root user | Improves container security |
| Clean up in the same RUN layer | Prevents storing temporary files in image layers |
Use .dockerignore |
Excludes unnecessary files from build context |
5.2 Security Recommendations
- Address CRITICAL vulnerabilities before deploying to production
- Use minimal base images (alpine, slim, distroless) when possible
- Regularly rebuild images to get updated base image patches