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How to Optimize Rust 1.85 Binary Size for Edge Functions Using wasm-pack and UPX

DEV Community·ANKUSH CHOUDHARY JOHAL·about 1 month ago
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Edge functions have a hard 50MB binary size limit on Cloudflare Workers, and a default Rust 1.85 wasm-pack build clocks in at 12.7MB before you even add business logic. That’s 25% of your budget gone before you write a single line of code. We’ll cut that to 2.3MB, then compress to 892KB with UPX—small enough to fit 55 copies in your edge budget. 🔴 Live Ecosystem Stats ⭐ rust-lang/rust — 112,475 stars, 14,892 forks Data pulled live from GitHub and npm. 📡 Hacker News Top Stories Right Now How fast is a macOS VM, and how small could it be? (107 points) Why does it take so long to release black fan versions? (417 points) Open Design: Use Your Coding Agent as a Design Engine (57 points) Why are there both TMP and TEMP environment variables?…

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