error[E0433]: failed to resolve: use of undeclared crate or module `bindings`
 --> src/lib.rs:1:5
  |
1 | use bindings::exports::example::service::handler::{Error, Handler, Request, Response};
  |     ^^^^^^^^ use of undeclared crate or module `bindings`

error[E0433]: failed to resolve: use of undeclared crate or module `bindings`
  --> src/lib.rs:31:1
   |
31 | bindings::export!(Component);
   | ^^^^^^^^ use of undeclared crate or module `bindings`

For more information about this error, try `rustc --explain E0433`.
error: could not compile `svc` (lib) due to 2 previous errors

rustup target add wasm32-wasi
git clone https://github.com/bytecodealliance/wasm-tools.git
cd wasm-tools
cargo install --path .
cd wasm-tools/crates/wasm-compose/
# https://github.com/bytecodealliance/wasm-tools/tree/main/crates/wasm-compose/example#building-the-components

cd service
cargo component build --release