diff --git a/service/Config.toml b/service/Config.toml
index c3f3c77..304041b 100644
--- a/service/Config.toml
+++ b/service/Config.toml
@@ -5,12 +5,12 @@ modules_dir = "artifacts/"
     logger_enabled = true
 
     [module.wasi]
-        preopened_files = ["./data"]
-        mapped_dirs = { "data" = "data" }
+        preopened_files = ["/tmp"]
+        mapped_dirs = { "tmp" = "/tmp" }
 [[module]]
     name = "trust-graph"
     logger_enabled = true
 
     [module.wasi]
-        preopened_files = ["./data"]
-        mapped_dirs = { "data" = "data" }
+        preopened_files = ["/tmp"]
+        mapped_dirs = { "tmp" = "/tmp" }
diff --git a/service/src/storage_impl.rs b/service/src/storage_impl.rs
index 53d7897..54e3389 100644
--- a/service/src/storage_impl.rs
+++ b/service/src/storage_impl.rs
@@ -28,7 +28,7 @@ static INSTANCE: OnceCell<Mutex<TrustGraph<SQLiteStorage>>> = OnceCell::new();
 
 static AUTH_TYPE: i64 = 0;
 static REVOKE_TYPE: i64 = 1;
-pub static DB_PATH: &str = "data/users12312233.sqlite";
+pub static DB_PATH: &str = "/tmp/trust-graph.sqlite";
 
 pub fn create_tables() {
     let connection = marine_sqlite_connector::open(DB_PATH).unwrap();