fix: docker api build

Dockerfile

@@ -11,9 +11,10 @@ COPY --from=planner /app/recipe.json recipe.json
 RUN cargo chef cook --release --recipe-path recipe.json
 # Build application
 COPY . .
-RUN cargo build --release --bin api
+RUN cargo build --release --manifest-path api/Cargo.toml
 
 FROM debian:bookworm-slim AS runtime
 WORKDIR /app
 COPY --from=builder /app/target/release/api /usr/local/bin
+EXPOSE 8080
 ENTRYPOINT ["/usr/local/bin/api"]

api/src/main.rs

@@ -18,6 +18,9 @@ async fn calculate_results(competitor_info: Json<CompetitorInfo>) -> Result<Json
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
+    let address = "127.0.0.1:8080";
+    println!("Starting server to {address}");
+
     HttpServer::new(|| {
         App::new()
             .service(
@@ -27,7 +30,7 @@ async fn main() -> std::io::Result<()> {
             )
             .service(Files::new("/", "../static").index_file("index.html"))
     })
-    .bind("127.0.0.1:8080")?
+    .bind(address)?
     .run()
     .await
 }