Skip to content
🐧LinuxTools.app
~/dockerfile-generator
$

Dockerfile Generator

Build Dockerfiles visually — choose base images, configure stages, add directives, and generate production-ready Dockerfiles with best-practice hints.

Presets

Dockerfile Configuration

Base Image (FROM)

Working Directory (WORKDIR)

Environment Variables (ENV)

Labels (LABEL)

System Packages

Copy Files (COPY)

Run Commands (RUN)

Expose Ports (EXPOSE)

Volumes (VOLUME)

User (USER)

Entrypoint (ENTRYPOINT)

Command (CMD)

Exec form (recommended): ["executable", "param1", "param2"]

Best Practice Hints

  • Remember to create a .dockerignore file to exclude node_modules, .git, and other unnecessary files.

Generated Dockerfile

FROM node:20-alpine

WORKDIR /app

What Is a Dockerfile?

A Dockerfile is a text recipe that tells Docker how to build a container image layer by layer. It defines the base OS, installs dependencies, copies source code, and sets the default command to run your application.

How This Generator Helps

Pick a base image, add RUN, COPY, ENV, and EXPOSE directives through form fields, and optionally configure multi-stage builds. The tool outputs a clean, correctly ordered Dockerfile you can copy straight into your project.

Best Practices Built In

The generator encourages small base images, proper layer ordering, and multi-stage builds to keep your final image lean. These patterns reduce attack surface and speed up CI/CD pipelines significantly.