Free course

Bun Course

Learn Bun by running TypeScript, managing packages, using runtime APIs, building an HTTP API with SQLite, testing it, and shipping it.

5 modules · 25 lessons · No signup

Prerequisites: JavaScript and TypeScript

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What you'll learn

Build, test, bundle, and ship a small notes API using Bun, Web Standard APIs, and SQLite.

Course contents

  1. Bun foundations

    Install Bun, create a TypeScript project, run code, and use the development workflow.

    1. ✓ Understand what Bun includes
    2. ✓ Install and update Bun
    3. ✓ Create and run a TypeScript project
    4. ✓ Use watch mode and project scripts
    5. ✓ Check your understanding: Bun foundations

  2. Packages and scripts

    Manage dependencies, lock installs, run package binaries, and control install scripts.

    1. ✓ Install and lock dependencies
    2. ✓ Add, remove, and update packages
    3. ✓ Run package binaries with bunx
    4. ✓ Trust dependency scripts deliberately
    5. ✓ Check your understanding: packages and scripts

  3. Runtime APIs

    Read configuration, work with files, run child processes, and judge Node.js compatibility.

    1. ✓ Read environment variables and arguments
    2. ✓ Read and write files
    3. ✓ Run child processes
    4. ✓ Use Node.js packages with clear boundaries
    5. ✓ Check your understanding: runtime APIs

  4. HTTP and SQLite

    Build a notes API with Bun.serve, Web Standard requests and responses, and bun:sqlite.

    1. ✓ Start an HTTP server
    2. ✓ Route requests and return JSON
    3. ✓ Accept and validate JSON
    4. ✓ Store data with SQLite
    5. ✓ Check your understanding: HTTP and SQLite

  5. Test, build, and ship

    Test the application, create production output, compile an executable, and review the release.

    1. ✓ Write tests with bun:test
    2. ✓ Test an HTTP server
    3. ✓ Bundle server code
    4. ✓ Compile and ship the application
    5. ✓ Check your understanding: test, build, and ship