diff --git a/src/main.rs b/src/main.rs
index bf91897..ac3c4e0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use sqlx::{Connection, PgConnection};
+use sqlx::{Connection, PgPool};
 use toggl::TogglApi;
 use worker::Worker;
 
@@ -36,18 +36,18 @@ async fn main() {
     // Init tracing
     tracing_subscriber::fmt::init();
 
-    let api = TogglApi::new(sensitive::API_TOKEN, sensitive::WORKSPACE_ID);
+    let toggl_api = TogglApi::new(sensitive::API_TOKEN, sensitive::WORKSPACE_ID);
 
     let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL must be set");
 
-    let mut db = PgConnection::connect(&database_url).await.unwrap();
+    let mut db = PgPool::connect(&database_url).await.unwrap();
 
     sqlx::migrate!("./migrations")
-        .run(&mut db)
+        .run(&db)
         .await
         .expect("Failed to run migrations");
 
-    let mut worker = Worker { db, toggl_api: api };
+    let worker = Worker { db, toggl_api };
 
     server::serve().await.expect("Failed to start server")
 }
diff --git a/src/server.rs b/src/server.rs
index 6d69c44..4914479 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -13,7 +13,13 @@ pub async fn serve() -> Result<(), AppError> {
     // run our app with hyper, listening globally on port 3000
     let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await?;
 
-    axum::serve(listener, app).await?;
+    axum::serve(listener, app)
+        .with_graceful_shutdown(async {
+            tokio::signal::ctrl_c()
+                .await
+                .expect("Failed to install CTRL+C signal handler");
+        })
+        .await?;
 
     Ok(())
 }
diff --git a/src/worker.rs b/src/worker.rs
index df9d6f8..be91894 100644
--- a/src/worker.rs
+++ b/src/worker.rs
@@ -4,7 +4,7 @@ use crate::{AppError, TableSummary};
 use chrono::{DateTime, NaiveDate, TimeDelta, Utc};
 use itertools::Itertools;
 use soa_rs::Soa;
-use sqlx::PgConnection;
+use sqlx::PgPool;
 
 macro_rules! cast_slice {
     ($slice: expr, $typ: ty) => {
@@ -22,26 +22,26 @@ macro_rules! cast_slice_opts {
 }
 
 pub struct Worker {
-    pub(crate) db: PgConnection,
+    pub(crate) db: PgPool,
     pub(crate) toggl_api: TogglApi,
 }
 
 impl Worker {
     async fn get_ids(&mut self) -> Result<TableSummary, AppError> {
         let client_ids = sqlx::query!("select id from tracking_clients")
-            .fetch_all(&mut self.db)
+            .fetch_all(&self.db)
             .await?;
 
         let workspace_ids = sqlx::query!("select id from workspaces")
-            .fetch_all(&mut self.db)
+            .fetch_all(&self.db)
             .await?;
 
         let project_ids = sqlx::query!("select id from projects")
-            .fetch_all(&mut self.db)
+            .fetch_all(&self.db)
             .await?;
 
         let tag_ids = sqlx::query!("select id from tags")
-            .fetch_all(&mut self.db)
+            .fetch_all(&self.db)
             .await?;
 
         Ok(TableSummary {
@@ -83,7 +83,7 @@ impl Worker {
 
     pub async fn update(&mut self, default_look_back: TimeDelta) -> Result<(), AppError> {
         let result = sqlx::query!("select max(updated_at) as last_updated_at from time_entries")
-            .fetch_optional(&mut self.db)
+            .fetch_optional(&self.db)
             .await
             .expect("Could not fetch max updated_at from time_entries");
 
@@ -180,7 +180,7 @@ impl Worker {
             time_entries.server_deleted_at() as _,
             time_entries.permissions() as _,
         )
-            .execute(&mut self.db)
+            .execute(&self.db)
             .await?;
 
         Ok(())
@@ -210,7 +210,7 @@ impl Worker {
             cast_slice!(workspaces.organization_id(), i64),
             workspaces.name(),
         )
-        .execute(&mut self.db)
+        .execute(&self.db)
         .await?;
 
         Ok(())
@@ -267,7 +267,7 @@ impl Worker {
             projects.can_track_time(),
             projects.permissions() as _,
         )
-            .execute(&mut self.db)
+            .execute(&self.db)
             .await?;
 
         Ok(())
@@ -299,7 +299,7 @@ impl Worker {
             tags.deleted_at() as _,
             tags.permissions() as _,
         )
-            .execute(&mut self.db)
+            .execute(&self.db)
             .await?;
 
         Ok(())
@@ -337,7 +337,7 @@ impl Worker {
             cast_slice!(clients.workspace_id(), i64),
             clients.permissions() as _
         )
-            .execute(&mut self.db)
+            .execute(&self.db)
             .await?;
 
         Ok(())