diff --git a/rs/Cargo.toml b/rs/Cargo.toml
new file mode 100644
index 0000000..e6a58be
--- /dev/null
+++ b/rs/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "atelier"
+version = "0.0.0"
+edition = "2024"
+
+[dependencies]
+rusqlite = { version = "*" }
+async-channel = { version = "*" }
diff --git a/rs/src/lib.rs b/rs/src/lib.rs
new file mode 100644
index 0000000..8c65e5a
--- /dev/null
+++ b/rs/src/lib.rs
@@ -0,0 +1,16 @@
+pub mod rusqlite_thread_pool;
+
+pub fn add(left: u64, right: u64) -> u64 {
+	left + right
+}
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+
+	#[test]
+	fn it_works() {
+		let result = add(2, 2);
+		assert_eq!(result, 4);
+	}
+}
diff --git a/rs/src/rusqlite_thread_pool.rs b/rs/src/rusqlite_thread_pool.rs
new file mode 100644
index 0000000..750ad4e
--- /dev/null
+++ b/rs/src/rusqlite_thread_pool.rs
@@ -0,0 +1,111 @@
+use std::thread::JoinHandle;
+use std::time::Duration;
+
+use async_channel::{Receiver, Sender};
+use rusqlite::Connection;
+
+pub type RusqliteThreadPoolTask =
+	Box<dyn FnOnce(&mut Connection) -> () + Send + Sync + 'static>;
+pub type RusqliteThreadPoolWorker =
+	(JoinHandle<()>, Sender<RusqliteThreadPoolTask>);
+
+pub type PoolReceiver = Receiver<RusqliteThreadPoolTask>;
+
+#[derive(Clone)]
+pub struct PoolSender {
+	tx: Sender<RusqliteThreadPoolTask>,
+}
+impl PoolSender {
+	pub async fn send<T>(
+		&self,
+		f: impl FnOnce(&mut Connection) -> rusqlite::Result<T>
+			+ Send
+			+ Sync
+			+ 'static,
+	) -> rusqlite::Result<T>
+	where
+		T: Send + Sync + 'static,
+	{
+		let (tx, rx) = async_channel::bounded(1);
+		let task = move |conn: &mut Connection| {
+			let out = f(conn);
+			tx.send_blocking(out).unwrap();
+		};
+		let task: RusqliteThreadPoolTask = Box::new(task);
+		self.tx.send(task).await.unwrap();
+
+		rx.recv().await.unwrap()
+	}
+}
+
+pub fn spawn_worker(
+	mut conn: Connection,
+	rx: Receiver<RusqliteThreadPoolTask>,
+) -> JoinHandle<()> {
+	std::thread::spawn(move || {
+		while let Ok(task) = rx.try_recv() {
+			task(&mut conn);
+		}
+	})
+}
+
+pub fn spawn_threadpool(
+	n_workers: u8,
+	db_path: &str,
+	mut init: impl FnMut(&mut Connection) -> rusqlite::Result<()>,
+) -> rusqlite::Result<(PoolSender, Vec<JoinHandle<()>>, PoolReceiver)> {
+	assert!(n_workers > 0);
+
+	let (tx, rx) = async_channel::unbounded();
+	let mut workers = vec![];
+	for _ in 0..n_workers {
+		let mut conn = Connection::open(db_path)?;
+		init(&mut conn)?;
+
+		let handle = spawn_worker(conn, rx.clone());
+
+		workers.push(handle);
+	}
+
+	return Ok((PoolSender { tx }, workers, rx));
+}
+
+pub fn spawn_threadpool_supervised(
+	n_workers: u8,
+	db_path: &str,
+	mut init: impl FnMut(&mut Connection) -> rusqlite::Result<()>
+		+ Send
+		+ Sync
+		+ Clone
+		+ 'static,
+) -> rusqlite::Result<(PoolSender, JoinHandle<()>, PoolReceiver)> {
+	let (tx, mut workers, rx) =
+		spawn_threadpool(n_workers, db_path, init.clone())?;
+
+	let rxt = rx.clone();
+	let db_path = db_path.to_string();
+	let supervisor = std::thread::spawn(move || {
+		let rx = rxt;
+		let db_path = db_path;
+
+		loop {
+			let mut dead_worker_idxs = vec![];
+			for (i, worker) in workers.iter().enumerate() {
+				if worker.is_finished() {
+					dead_worker_idxs.push(i);
+				}
+			}
+
+			for i in dead_worker_idxs {
+				let mut conn = Connection::open(&db_path).unwrap();
+				init(&mut conn).unwrap();
+
+				workers[i] = spawn_worker(conn, rx.clone());
+			}
+
+			std::thread::sleep(Duration::from_secs(1));
+		}
+	});
+
+	return Ok((tx, supervisor, rx));
+}
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new file mode 100644
index 0000000..23b45f5
--- /dev/null
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+ "serde",
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+ "atelier",
+ "axum",
+ "http",
+ "rusqlite",
+ "tokio",
+]
+
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+ "libc",
+ "windows-sys",
+]
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+ "libc",
+ "mio",
+ "pin-project-lite",
+ "socket2",
+ "tokio-macros",
+ "windows-sys",
+]
+
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+ "futures-core",
+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
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+]
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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diff --git a/shelves/Cargo.toml b/shelves/Cargo.toml
new file mode 100644
index 0000000..c00cabd
--- /dev/null
+++ b/shelves/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "shelves"
+version = "0.0.0"
+edition = "2024"
+
+[[bin]]
+name = "shelves"
+path = "backend/main.rs"
+
+[dependencies]
+tokio = { version = "1.43.0", features = ["rt-multi-thread", "fs", "net"] }
+axum = { version = "0.8.1", features = ["http1"] }
+http = "1.2.0"
+
+atelier = { path = "../rs" }
+rusqlite = { version = "0.33.0", features = ["bundled"] }
diff --git a/shelves/backend/main.rs b/shelves/backend/main.rs
new file mode 100644
index 0000000..cb9a755
--- /dev/null
+++ b/shelves/backend/main.rs
@@ -0,0 +1,107 @@
+use std::net::SocketAddr;
+
+use axum::handler::HandlerWithoutStateExt;
+use axum::response::IntoResponse;
+use std::error::Error;
+use tokio::net::TcpListener;
+
+pub type AnyError = Box<dyn Error + Send + Sync + 'static>;
+pub type Result<T> = core::result::Result<T, AnyError>;
+
+pub type Dbs = atelier::rusqlite_thread_pool::PoolSender;
+
+fn migrate(connection: &mut rusqlite::Connection) -> Result<()> {
+	Ok(())
+}
+
+fn init(connection: &mut rusqlite::Connection) -> rusqlite::Result<()> {
+	Ok(())
+}
+
+type Request = axum::extract::Request;
+type Response = axum::response::Response;
+type Handler = Box<dyn FnMut(Request) -> Box<dyn Future<Output = Response>>>;
+type Router = atelier::router::Router<Handler>;
+
+fn make_handler<Fut, F>(f: F) -> Handler
+where
+	Fut: Future<Output = Response>,
+	F: FnMut(Request) -> Fut + Clone + 'static,
+{
+	Box::new(move |req| {
+		let mut f = f.clone();
+		Box::new(async move { f(req).await })
+	})
+}
+
+async fn get_hello(req: Request) -> Response {
+	"hello".into_response()
+}
+
+fn make_router() -> Router {
+	let mut router = atelier::router::Router::new();
+
+	macro_rules! r {
+		($m:expr, $p:expr, $h:expr) => {
+			router.register($m, $p, make_handler($h))
+		};
+	}
+
+	r!("get", "/hello", get_hello);
+
+	router
+}
+
+async fn serve(
+	dbs: Dbs,
+	router: &Router,
+	req: axum::extract::Request,
+) -> axum::response::Response {
+	let method = req.method().as_str();
+	let uri = format!("{}", req.uri());
+
+	let handler = match router.get(method, uri) {
+		(Some(h), _) => h,
+		(None, Some(sc)) => {
+			return (http::status::StatusCode::from_u16(sc).unwrap(), "")
+				.into_response()
+		},
+	};
+
+	handler(req).await
+}
+
+async fn go() -> Result<()> {
+	let mut conn = rusqlite::Connection::open("./shelves.db")?;
+	migrate(&mut conn)?;
+
+	let (tx, _, _) =
+		atelier::rusqlite_thread_pool::spawn_threadpool_supervised(
+			4,
+			"./shelves.db",
+			|conn| init(conn),
+		)?;
+
+	let addr = "127.0.0.1:8333".parse::<SocketAddr>()?;
+	let listener = TcpListener::bind(addr).await?;
+
+	let router = make_router();
+	let serve = move |req| {
+		let tx = tx.clone();
+
+		serve(tx, router, req)
+	};
+
+	axum::serve(listener, serve.into_make_service()).await?;
+
+	Ok(())
+}
+
+fn main() {
+	let rt = tokio::runtime::Builder::new_multi_thread()
+		.enable_all()
+		.build()
+		.unwrap();
+
+	rt.block_on(go()).unwrap();
+}