nix develop
cargo build --release --target wasm32-unknown-unknown
exit
----
nix-shell -p wasm-bindgen-cli --argstr nixpkgs https://nixos.org/channels/nixpkgs-unstable
wasm-bindgen target/wasm32-unknown-unknown/release/astraea.wasm --out-dir ./out --target web
exit
-----
cd out/
nix-shell -p python3
python3 -m http.server