dvcrn 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
| Command | Description |
|---|---|
generate |
Generate a complete Dockerfile for a given language/framework |
multistage |
Create a multi-stage build Dockerfile |
dockerignore |
Generate a .dockerignore file for a project type |
optimize |
Analyze and optimize an existing Dockerfile |
compose |
Generate a docker-compose.yml for multi-service setups |
security |
Generate a security-hardened Dockerfile |
healthcheck |
Add health check configuration to a Dockerfile |
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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