diff --git a/devenv.nix b/devenv.nix
index 449c1e9..a3fec27 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -32,6 +32,16 @@
     opencode
   ];
 
+  processes.musicfs = {
+    after = [ "devenv:processes:postgres" ];
+    exec = ''
+      cargo run -- \
+        --source /home/fujin/Music/DDT \
+        --mountpoint /tmp/rust-fuse \
+        --database "postgresql://fujin@localhost/musicfs?host=$PGHOST"
+    '';
+  };
+
   services.postgres = {
     enable = true;
     initialDatabases = [