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diff --git a/Cargo.toml b/Cargo.toml
deleted file mode 100644
index 1451fdf..0000000
--- a/Cargo.toml
+++ /dev/null
@@ -1,14 +0,0 @@
-[package]
-name = "backend"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
-libc = "0.2.155"
-tempfile = "3.10.1"
-axum = "0.7.5"
-serde = { version = "1.0.202", features = ["derive"] }
-tokio = { version = "1.37.0", features = ["rt-multi-thread"] }
-tower-http = { version = "0.5.2", features = ["trace", "cors"] }
-tracing = "0.1.40"
-tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
diff --git a/src/main.rs b/src/main.rs
deleted file mode 100644
index 434cdc3..0000000
--- a/src/main.rs
+++ /dev/null
@@ -1,90 +0,0 @@
-use std::collections::HashMap;
-use std::time::Instant;
-
-use axum::{
-    extract::MatchedPath,
-    http::{Request, StatusCode},
-    routing::post,
-    Json, Router,
-};
-use serde::{Deserialize, Serialize};
-use tower_http::trace::TraceLayer;
-use tower_http::cors::CorsLayer;
-use tracing::info_span;
-use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
-
-mod sandbox;
-
-#[derive(Default, Debug, Clone, PartialEq, Deserialize)]
-pub struct ExecRequest {
-    pub sandbox: String,
-    pub command: String,
-    pub files: HashMap<String, String>,
-}
-
-#[derive(Default, Debug, Clone, PartialEq, Serialize)]
-pub struct ExecResponse {
-    pub id: String,
-    pub ok: bool,
-    pub duration: u64,
-    pub stdout: String,
-    pub stderr: String,
-}
-
-async fn exec(Json(req): Json<ExecRequest>) -> (StatusCode, Json<ExecResponse>) {
-    let code = req.files.get("").unwrap();
-
-    let now = Instant::now();
-    let output = sandbox::run_code(code);
-
-    let duration = now.elapsed().as_millis() as u64;
-    let ok = output.status.success();
-    let stdout = String::from_utf8_lossy(&output.stdout).to_string();
-    let stderr = String::from_utf8_lossy(&output.stderr).to_string();
-
-    let resp = ExecResponse {
-        id: "random".to_string(),
-        ok,
-        duration,
-        stdout,
-        stderr,
-    };
-
-    (StatusCode::OK, Json(resp))
-}
-
-#[tokio::main]
-async fn main() {
-    tracing_subscriber::registry()
-        .with(
-            tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
-                // axum logs rejections from built-in extractors with the `axum::rejection`
-                // target, at `TRACE` level. `axum::rejection=trace` enables showing those events
-                "backend=debug,tower_http=debug,axum::rejection=trace".into()
-            }),
-        )
-        .with(tracing_subscriber::fmt::layer())
-        .init();
-
-    let app = Router::new().route("/v1/exec", post(exec))
-        .layer(CorsLayer::permissive())
-        .layer(
-        TraceLayer::new_for_http().make_span_with(|request: &Request<_>| {
-            let matched_path = request
-                .extensions()
-                .get::<MatchedPath>()
-                .map(MatchedPath::as_str);
-
-            info_span!(
-                "http_request",
-                method = ?request.method(),
-                matched_path,
-                some_other_field = tracing::field::Empty,
-            )
-        }),
-    );
-
-    let listener = tokio::net::TcpListener::bind("0.0.0.0:8080").await.unwrap();
-    tracing::debug!("listening on {}", listener.local_addr().unwrap());
-    axum::serve(listener, app).await.unwrap();
-}
diff --git a/src/sandbox.rs b/src/sandbox.rs
deleted file mode 100644
index ebcfe25..0000000
--- a/src/sandbox.rs
+++ /dev/null
@@ -1,136 +0,0 @@
-use std::fs::File;
-use std::io::Write;
-use std::process::Command;
-
-use tempfile::{TempDir, NamedTempFile};
-
-#[rustfmt::skip]
-const STATIC_ARGS: &[&str] = &[
-    "--ro-bind", "/usr", "/usr",
-    "--dir", "/tmp",
-    "--dir", "/var",
-    "--symlink", "../tmp", "/var/tmp",
-    "--proc", "/proc",
-    "--dev", "/dev",
-    "--ro-bind", "/etc/resolv.conf", "/etc/resolv.conf",
-    "--symlink", "usr/lib", "/lib",
-    "--symlink", "usr/lib64", "/lib64",
-    "--symlink", "usr/bin", "/bin",
-    "--symlink", "usr/sbin", "/sbin",
-    "--unshare-all",
-    "--die-with-parent",
-    "--clearenv",
-    "--setenv", "PATH", "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
-    "--setenv", "HAREPATH", "/usr/local/src/hare/stdlib",
-];
-
-const HARE_COMMAND: &str = "/usr/local/bin/hare";
-
-/// Default command timeout in seconds.
-const DEFAULT_TIMEOUT: u32 = 30;
-
-fn passwd_files(uid: u32, gid: u32) -> (NamedTempFile, NamedTempFile, Vec<String>) {
-    let uid = uid.to_string();
-    let passwd = Command::new("getent")
-        .args(["passwd", &uid, "65534"])
-        .output()
-        .expect("failed to run getent passwd");
-
-    let gid = gid.to_string();
-    let group = Command::new("getent")
-        .args(["group", &gid, "65534"])
-        .output()
-        .expect("failed to run getent passwd");
-
-    let mut passwd_file = tempfile::NamedTempFile::new().unwrap();
-    passwd_file.write_all(&passwd.stdout).unwrap();
-    passwd_file.flush().unwrap();
-
-    let mut group_file = tempfile::NamedTempFile::new().unwrap();
-    group_file.write_all(&group.stdout).unwrap();
-    group_file.flush().unwrap();
-
-    let args = vec![
-        "--ro-bind".to_string(),
-        passwd_file.path().display().to_string(),
-        "/etc/passwd".to_string(),
-        "--ro-bind".to_string(),
-        group_file.path().display().to_string(),
-        "/etc/group".to_string(),
-    ];
-
-    (passwd_file, group_file, args)
-}
-
-fn home_dir(uid: u32) -> Vec<String> {
-    let user_dir = format!("/run/user/{uid}");
-    let home_dir = format!("{user_dir}/home");
-
-    vec![
-        "--dir".to_string(),
-        home_dir.clone(),
-        "--setenv".to_string(),
-        "HOME".to_string(),
-        home_dir,
-        "--setenv".to_string(),
-        "XDG_RUNTIME_DIR".to_string(),
-        user_dir,
-    ]
-}
-
-fn shared_app_dir() -> (TempDir, Vec<String>) {
-    let tmp_app_dir = tempfile::tempdir().unwrap();
-    let app_dir_path = tmp_app_dir.path().display().to_string();
-
-    (
-        tmp_app_dir,
-        vec![
-            "--bind".to_string(),
-            app_dir_path,
-            "/app".to_string(),
-            "--chdir".to_string(),
-            "/app".to_string(),
-        ],
-    )
-}
-
-fn command(app_file: &str) -> Vec<String> {
-    vec![
-        "/usr/bin/timeout".to_string(), DEFAULT_TIMEOUT.to_string(),
-        HARE_COMMAND.to_string(),
-        "run".to_string(),
-        app_file.to_string(),
-    ]
-}
-
-fn getids() -> (u32, u32) {
-    unsafe { (libc::getuid(), libc::getgid()) }
-}
-
-pub fn run_code(code: &str) -> std::process::Output {
-    let (uid, gid) = getids();
-
-    let mut bwrap_cmd = Command::new("bwrap");
-    bwrap_cmd.args(STATIC_ARGS);
-
-    let (app_dir, dir_arg) = shared_app_dir();
-    bwrap_cmd.args(dir_arg);
-
-    let home_args = home_dir(uid);
-    bwrap_cmd.args(home_args);
-
-    let (_passwd, _group, file_args) = passwd_files(uid, gid);
-    bwrap_cmd.args(file_args);
-
-    {
-        let code_path = app_dir.path().join("main.ha");
-        let mut code_file = File::create(code_path).unwrap();
-        code_file.write_all(code.as_bytes()).unwrap();
-    }
-
-    let cmd_args = command("/app/main.ha");
-    bwrap_cmd.args(cmd_args);
-
-    let output = bwrap_cmd.output().expect("running bwrap failed");
-    output
-}