generate_did.sh

#!/usr/bin/env bash

set -x

function generate_did() {
    local canister=$1
    canister_root="src/$canister"

    cargo build --manifest-path="$canister_root/Cargo.toml" \
    --target wasm32-unknown-unknown \
    --release --package "$canister" \
    --features "ic-cdk/wasi"

    # Installation https://docs.wasmtime.dev/cli-install.html
    wasmtime "target/wasm32-unknown-unknown/release/$canister.wasm" > "$canister_root/$canister.did"
}

# The list of canisters of your project
CANISTERS=lob_backend

for canister in $(echo $CANISTERS | sed "s/,/ /g")
do
  generate_did "$canister"
done