dfx.json

{
    "canisters": {
        "unit_struct": {
            "type": "custom",
            "build": "sh build.sh unit_struct",
            "candid": "counter.did",
            "wasm": "target/wasm32-unknown-unknown/release/unit_struct.wasm",
            "shrink": true
        },
        "build_script": {
            "type": "custom",
            "build": "sh build.sh build_script",
            "candid": "counter.did",
            "wasm": "target/wasm32-unknown-unknown/release/build_script.wasm",
            "shrink": true
        },
        "stateful": {
            "type": "custom",
            "build": "sh build.sh stateful",
            "candid": "counter.did",
            "wasm": "target/wasm32-unknown-unknown/release/stateful.wasm",
            "shrink": true
        },
        "async_trait": {
            "type": "custom",
            "build": "sh build.sh async_trait",
            "candid": "counter.did",
            "wasm": "target/wasm32-unknown-unknown/release/async_trait.wasm",
            "shrink": true
        },
        "async_state": {
            "type": "custom",
            "build": "sh build.sh async_state",
            "candid": "counter.did",
            "wasm": "target/wasm32-unknown-unknown/release/async_state.wasm",
            "shrink": true
        }
    }
}