feat(server): add unix socket support

server/src/cli/mod.rs

@@ -51,6 +51,7 @@ pub struct ClapConfig {
 #[serde(rename_all = "lowercase")]
 pub enum NetConfigType {
     Tcp,
+    Unix,
 }
 
 #[derive(Serialize, Clone, Args, Debug)]
@@ -66,6 +67,11 @@ pub struct NetConfig {
     #[serde(skip_serializing_if = "Option::is_none")]
     #[arg(long, value_name = "PORT", global = true)]
     port: Option<u16>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[serde(rename = "path")]
+    #[arg(long, value_name = "SOCKET", global = true)]
+    socket: Option<PathBuf>,
 }
 
 #[derive(Subcommand)]

server/src/cli/serve.rs

@@ -65,6 +65,24 @@ pub fn serve(config: &crate::config::Config) -> u8 {
                     .unwrap()
             });
         }
+        NetConfig::Unix { path } => {
+            // Try to remove the socket file first if it exists
+            let _ = std::fs::remove_file(&path);
+
+            if let Some(parent) = path.parent() {
+                std::fs::create_dir_all(parent).unwrap();
+            }
+
+            tracing::info!("Listening on Unix socket {:?}", path);
+
+            rt.block_on(async {
+                let listener = tokio::net::UnixListener::bind(path).unwrap();
+
+                axum::serve(listener, app.into_make_service())
+                    .await
+                    .unwrap()
+            });
+        }
     }
 
     0

server/src/config.rs

@@ -28,6 +28,7 @@ impl From<LogLevel> for tracing::Level {
 #[serde(tag = "type")]
 pub enum NetConfig {
     Tcp { domain: String, port: u16 },
+    Unix { path: PathBuf },
 }
 
 #[derive(Serialize, Deserialize)]