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Rustc service for WebAssembly Studio

This is heroku rustc compiler microservice for WebAssembly Studio. It is also a slug builder.

Running service locally

The app/server can be run from the "app" folder:

cd app
node .

By default it will run on "0.0.0.0:8082" address. Use PORT environment variable to change it.

Before running it first time, you will need to setup the dependencies:

  1. rustup, see https://www.rustup.rs/
  2. rustc nightly channel: rustup toolchain install nightly
  3. and wasm target: rustup target add wasm32-unknown-unknown --toolchain nightly
  4. wasm-gc: cargo install wasm-gc
  5. wasm-bindgen: cargo install wasm-bindgen-cli
  6. rustfmt nightly channel: rustup component add rustfmt-preview --toolchain nightly

See also Rust for the Web for details.

Change configuration in WebAssembly Studio

The "rustc" and "cargo" endpoints addresses can be located at the https://github.com/wasdk/WebAssemblyStudio/blob/master/config.json and be changed locally.

Building and installing the slug

Run APP=<your-heroku-app> make publish to fully build and setup slug at your app.