Docker Best Practices for Development and Production > 자유게시판

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Docker containers streamline development and deployment workflows. Start with multi-stage builds to reduce image size by separating build and runtime dependencies. Use official base images from for security and reliability. Implement .dockerignore files to exclude unnecessary files from the build context. Layer optimization matters: order commands from least to most frequently changing to maximize cache utilization. Use specific image tags instead of latest to ensure reproducible builds. Run containers as non-root users for security. Implement health checks using HEALTHCHECK instruction. Use Docker Compose for local development with multiple services. For production, use Docker Swarm or Kubernetes for orchestration. Implement logging with JSON format for easy parsing. Use environment variables for configuration, with .env files for local development. Limit container resources with --memory and --cpus flags. Use volumes for persistent data and bind mounts for development. Implement secrets management for sensitive data. Regular image scanning with tools like Trivy or Docker Scout. Use read-only root filesystems where possible. Clean up unused images and containers regularly. Following these practices ensures secure, efficient, and reliable containerized applications.