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WebAssembly (WASM) for High Performance Apps · Lesson

Production Deployment Strategies

Learn how to optimize, package, and deploy your WebAssembly applications for production environments, ensuring reliability and performance.

Ready for Production?

So you've built a powerful WebAssembly application. Now, how do you get it ready for the real world?

Deploying WASM apps involves special considerations to ensure they are fast, reliable, and secure for your users. We'll cover key strategies for optimizing and delivering your modules.

Smaller WASM, Faster Loads

The first step to a fast WASM app is a small WASM module. Smaller files download quicker!

Compilers like Emscripten and Rust's wasm-pack offer optimization flags. For Rust, you can specify opt-level in your Cargo.toml:

  • opt-level = "s": Optimize for size.
  • opt-level = "z": Optimize even more for size (smallest).
[profile.release]
opt-level = "z" # Optimize for smallest size
codegen-units = 1 # Reduces binary size, increases compile time
lto = "fat" # Link Time Optimization

All lessons in this course

  1. The WASM Security Model
  2. Sandboxing & Permissions
  3. Production Deployment Strategies
  4. Supply Chain Security and Module Verification
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