toolsko

Choose your language

ToolsKo is written in English. Prefer another language? Open a translated version of this public page.

Browser language suggestion: English. You can choose any language below.

Translation opens in a new tab using Google Translate. It receives this public page URL. Automatic translations may contain mistakes; use the original English page for tool inputs, downloads, and generated documents.

Your choice is remembered on this browser when storage is available. Use Language in the header to change it.

Dockerfile Generator

Make a production-ready Dockerfile for Node.js, Next.js, Python, Go or a static site, plus a .dockerignore.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: A Dockerfile is a recipe that packs your app and everything it needs into an image that runs the same on any server. Multi-stage builds keep the final image small.

How to use it (step by step)

  1. 1Choose your options: “App type”, “Language version”, “Port the app listens on”, “Start command (Node/Python)”.
  2. 2Press “Generate Dockerfile”.
  3. 3Copy the result with the Copy button. Press the button again for a fresh result.

Words to know

Docker / container
Docker packs an app with everything it needs into a “container” that runs the same on any computer.
Port
A numbered door on a computer. The IP finds the device; the port finds the service (443 = secure websites, 22 = SSH).

More in Developer

Text to BinaryConvert text to 8-bit binary and binary back to text.Morse Code TranslatorTranslate text to Morse code and Morse back to text.URL ParserInspect a URL’s host, path and query parameters without visiting it.JSON FlattenerFlatten JSON values to escaped JSON Pointer paths.JSON to TypeScript TypesGenerate a TypeScript type from a JSON example.JSON Schema GeneratorCreate a draft JSON Schema from an example object.