Webpack: Module Bundling and Build Optimization

Learn to configure, optimize and debug Webpack builds for front-end projects. Ship smaller, faster bundles with a production-ready setup.

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What you'll learn

  • Configure entry, output and mode in `webpack.config.js`.
  • Process JavaScript, CSS and assets with loaders and plugins.
  • Reduce bundle size with tree-shaking, code splitting and minification.
  • Apply `[contenthash]` and vendor chunks for long-term caching.
  • Run a dev server with HMR and source maps, and diagnose common build problems.

Syllabus

Module 1: Getting started

  1. Introduction to bundling
  2. Installation and basic setup
  3. Core concepts: entry and output

Module 2: Foundations

  1. Loaders and rules
  2. Plugins and extensions
  3. Configuration and modes

Module 3: Core mechanics

  1. Module resolution
  2. Dependency graph and bundling
  3. Tree-shaking and code splitting

Module 4: Transforming assets

  1. CSS and styling
  2. Images and assets

Module 5: Development workflow

  1. Dev server and hot reload
  2. Debugging and source maps

Module 6: Practical usage

  1. Building for different targets
  2. Working with frameworks

Module 7: Optimization

  1. Minification and compression
  2. Caching strategies

Module 8: Advanced patterns

  1. Custom loaders and plugins
  2. Monorepos and workspaces

Module 9: Integration

  1. TypeScript and transpilation
  2. Testing and CI/CD integration

Module 10: Revision

  1. Common pitfalls and solutions
  2. Performance monitoring and profiling
  3. Alternative bundlers and migration
  4. Real-world applications and best practices