Dockerfile Gen

Generate Dockerfiles for Node, Python, Go, Java, Nginx, and Alpine. Configure port, env vars, and commands.

6 Base ImagesENV VariablesPort ConfigFree

Base Image

Port

Working Directory

Environment Variables

Dockerfile

FROM node:20-alpine

WORKDIR /app

COPY package*.json ./
RUN npm ci --production

COPY . .

EXPOSE 3000

CMD ["node", "dist/index.js"]

Frequently Asked Questions

What base images are supported?

Node.js, Python, Go, Java, Nginx, and Alpine Linux base images.

Can I add environment variables?

Yes, add key-value pairs that become ENV directives in the Dockerfile.

Is the output production-ready?

The generated Dockerfile follows best practices but should be reviewed for your specific use case.

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