<!-- PCU: ch12-serving | contract: contracts/apr-book-ch12-v1.yaml -->
<!-- Example: cargo run -p aprender-core --example ch12_serving -->
<!-- Status: enforced -->
# Chapter 12: Serving and Deployment
> Contract: [`apr-book-ch12`](../../../contracts/apr-book-ch12-v1.yaml)
Run: `cargo run -p aprender-core --example ch12_serving`
```rust,ignore
{{#include ../../../crates/aprender-core/examples/ch12_serving.rs}}
```