dockerfile-builder

Generate production-ready, optimized Dockerfiles for multiple languages and frameworks. Supports Node.js, Python, Go, Java, and Rust with multi-stage builds, security hardening, non-root users, layer caching optimization, and .dockerignore generation. Follows Docker best practices including minimal base images, proper signal handling, health checks, and secret management.

Commands

Usage

# Generate a basic Dockerfile for a Node.js project
dockerfile-builder generate --lang node --version 20

# Generate multi-stage build for Go
dockerfile-builder multistage --lang go --binary myapp

# Generate .dockerignore
dockerfile-builder dockerignore --lang python

# Security-hardened Python Dockerfile
dockerfile-builder security --lang python --version 3.12

# Generate docker-compose for Node + PostgreSQL + Redis
dockerfile-builder compose --services "node,postgres,redis"

# Optimize existing Dockerfile
dockerfile-builder optimize --file ./Dockerfile

# Add healthcheck
dockerfile-builder healthcheck --lang node --port 3000

Examples

Node.js Production Dockerfile

dockerfile-builder generate --lang node --version 20 --framework express --port 3000

Go Multi-stage Build

dockerfile-builder multistage --lang go --binary server --port 8080

Java Spring Boot

dockerfile-builder generate --lang java --version 21 --framework springboot --port 8080

Rust Production Build

dockerfile-builder multistage --lang rust --binary myapp --port 3000

Features

• Multi-stage builds — Minimize final image size by separating build and runtime stages
• Security hardening — Non-root users, read-only filesystem, no new privileges
• Layer caching — Optimized layer ordering for fast rebuilds
• Health checks — Built-in health check configuration
• .dockerignore — Language-aware ignore patterns
• docker-compose — Multi-service orchestration configs
• Best practices — Follows Docker official guidelines

Keywords

dockerfile, docker, container, multi-stage build, docker-compose, containerization, devops, deployment, microservices, cloud-native

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