Wasmer Things: An Upside-Down Guide to WebAssembly
summary
WebAssembly is presented as a portable, structured stack VM that runs both in-browser and server-side; the talk demonstrates compiling a tiny C/Go-style HelloWorld to wasm and executing it with Wasmer/Wasmtime runtimes and a spin demo that instantiates modules instead of spawning processes, proving fast cold starts. WASI provides capability-based APIs (POSIX-like openat, stdio) so modules run sandboxed; Docker now ships a wasm engine, showing real adoption.
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chapters (9)
- 0:00Wasmer and WebAssembly intro
- 2:30WebAssembly vs JVM differences
- 13:33What makes WebAssembly unique
- 22:33WebAssembly in browsers
- 26:10WebAssembly binary format
- 31:11WASI and Docker alternative
- 36:53WebAssembly runtimes overview
- 38:42Live WebAssembly demo
- 41:31Future of WebAssembly
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