Run SQLx migrations at startup

Add an initial services table migration and enable the sqlx
"migrate" feature. Introduce run_migrations in db.rs, run
migrations on startup, and pass the PgPool into the router.

src/db.rs

@@ -1,6 +1,16 @@
 use crate::config::CONFIG;
 
 use sqlx::{postgres::PgPoolOptions, PgPool};
+use tracing::info;
+
+pub async fn run_migrations(pool: &PgPool) {
+    info!("Running database migrations...");
+    sqlx::migrate!("./migrations")
+        .run(pool)
+        .await
+        .expect("Failed to run migrations");
+    info!("Database migrations completed successfully");
+}
 
 pub async fn get_pg_pool() -> PgPool {
     let database_url: String = format!(

src/main.rs

@@ -10,7 +10,13 @@ use tracing_subscriber::{filter, layer::SubscriberExt, util::SubscriberInitExt};
 use std::{net::SocketAddr, str::FromStr};
 
 async fn start_app() {
-    let app = views::get_router().await;
+    // Initialize database pool
+    let pool = db::get_pg_pool().await;
+
+    // Run migrations
+    db::run_migrations(&pool).await;
+
+    let app = views::get_router(pool).await;
 
     let addr = SocketAddr::from(([0, 0, 0, 0], 8080));
 

src/views.rs

@@ -13,7 +13,7 @@ use sqlx::PgPool;
 use tower_http::trace::{self, TraceLayer};
 use tracing::Level;
 
-use crate::{config::CONFIG, db::get_pg_pool};
+use crate::config::CONFIG;
 
 pub type Database = Extension<PgPool>;
 
@@ -218,9 +218,7 @@ async fn auth(req: Request<axum::body::Body>, next: Next) -> Result<Response, St
     Ok(next.run(req).await)
 }
 
-pub async fn get_router() -> Router {
-    let client = get_pg_pool().await;
-
+pub async fn get_router(client: PgPool) -> Router {
     let (prometheus_layer, metric_handle) = PrometheusMetricLayer::pair();
 
     let app_router = Router::new()