fix compilation error + adding template test

loco-gen/src/templates/deployment/shuttle/shuttle.t

@@ -39,7 +39,12 @@ async fn main(
         shuttle_runtime::Environment::Local => Environment::Development,
         shuttle_runtime::Environment::Deployment => Environment::Production,
     };
-    let boot_result = create_app::<App{% if with_db %}, Migrator{% endif %}>(StartMode::ServerOnly, &environment)
+
+     let config = environment
+        .load()
+        .expect("Failed to load configuration from the environment");
+
+    let boot_result = create_app::<App{% if with_db %}, Migrator{% endif %}>(StartMode::ServerOnly, &environment, config)
         .await
         .unwrap();
 

loco-gen/tests/templates/deployment.rs

@@ -99,3 +99,73 @@ fn can_generate_nginx() {
             .expect("nginx config missing")
     );
 }
+
+#[test]
+fn can_generate_shuttle() {
+    let mut settings = insta::Settings::clone_current();
+    settings.set_prepend_module_to_snapshot(false);
+    settings.set_snapshot_suffix("deployment");
+    let _guard = settings.bind_to_scope();
+
+    let component = Component::Deployment {
+        kind: DeploymentKind::Shuttle,
+        fallback_file: None,
+        asset_folder: None,
+        host: "localhost".to_string(),
+        port: 8080,
+    };
+
+    let tree_fs = tree_fs::TreeBuilder::default()
+        .drop(true)
+        .add(
+            ".cargo/config.toml",
+            r#"[alias]
+loco = "run --"
+loco-tool = "run --"
+
+playground = "run --example playground"
+"#,
+        )
+        .add(
+            "Cargo.toml",
+            r"
+[dependencies]
+
+[dev-dependencies]
+
+",
+        )
+        .create()
+        .unwrap();
+    let rrgen = RRgen::with_working_dir(&tree_fs.root);
+
+    let gen_result = generate(
+        &rrgen,
+        component,
+        &AppInfo {
+            app_name: "tester".to_string(),
+        },
+    )
+    .expect("Generation failed");
+
+    assert_eq!(
+        collect_messages(&gen_result),
+        r"* Shuttle.toml file created successfully
+* Shuttle deployment ready do use
+"
+    );
+    assert_snapshot!(
+        "generate[shuttle.rs]",
+        fs::read_to_string(tree_fs.root.join("src").join("bin").join("shuttle.rs"))
+            .expect("shuttle rs missing")
+    );
+    assert_snapshot!(
+        "inject[.config_toml]",
+        fs::read_to_string(tree_fs.root.join(".cargo").join("config.toml"))
+            .expect(".cargo/config.toml not exists")
+    );
+    assert_snapshot!(
+        "inject[cargo_toml]",
+        fs::read_to_string(tree_fs.root.join("Cargo.toml")).expect("cargo.toml not exists")
+    );
+}

loco-gen/tests/templates/snapshots/generate[shuttle.rs]@deployment.snap

@@ -0,0 +1,32 @@
+---
+source: loco-gen/tests/templates/deployment.rs
+expression: "fs::read_to_string(tree_fs.root.join(\"src\").join(\"bin\").join(\"shuttle.rs\")).expect(\"shuttle rs missing\")"
+---
+use loco_rs::boot::{create_app, StartMode};
+use loco_rs::environment::Environment;
+use tester::app::App;
+use migration::Migrator;
+use shuttle_runtime::DeploymentMetadata;
+
+#[shuttle_runtime::main]
+async fn main(
+  #[shuttle_shared_db::Postgres] conn_str: String,
+  #[shuttle_runtime::Metadata] meta: DeploymentMetadata,
+) -> shuttle_axum::ShuttleAxum {
+    std::env::set_var("DATABASE_URL", conn_str);
+    let environment = match meta.env {
+        shuttle_runtime::Environment::Local => Environment::Development,
+        shuttle_runtime::Environment::Deployment => Environment::Production,
+    };
+
+     let config = environment
+        .load()
+        .expect("Failed to load configuration from the environment");
+
+    let boot_result = create_app::<App, Migrator>(StartMode::ServerOnly, &environment, config)
+        .await
+        .unwrap();
+
+    let router = boot_result.router.unwrap();
+    Ok(router.into())
+}

loco-gen/tests/templates/snapshots/inject[.config_toml]@deployment.snap

@@ -0,0 +1,9 @@
+---
+source: loco-gen/tests/templates/deployment.rs
+expression: "fs::read_to_string(tree_fs.root.join(\".cargo\").join(\"config.toml\")).expect(\".cargo/config.toml not exists\")"
+---
+[alias]
+loco = "run --bin tester-cli --"
+loco-tool = "run --"
+
+playground = "run --example playground"

loco-gen/tests/templates/snapshots/inject[cargo_toml]@deployment.snap

@@ -0,0 +1,15 @@
+---
+source: loco-gen/tests/templates/deployment.rs
+expression: "fs::read_to_string(tree_fs.root.join(\"Cargo.toml\")).expect(\"cargo.toml not exists\")"
+---
+[dependencies]
+shuttle-axum = "0.51.0"
+shuttle-runtime = { version = "0.51.0", default-features = false }
+shuttle-shared-db = { version = "0.51.0", features = ["postgres"] }
+
+
+[[bin]]
+name = "tester"
+path = "src/bin/shuttle.rs"
+
+[dev-dependencies]