diff --git a/Cargo.lock b/Cargo.lock
index 5128401..3c04fd4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -976,6 +976,7 @@ checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 name = "fitnesstrax"
 version = "0.1.0"
 dependencies = [
+ "ft-core",
  "gio",
  "glib",
  "glib-build-tools 0.18.0",
diff --git a/fitnesstrax/app/Cargo.toml b/fitnesstrax/app/Cargo.toml
index 4692329..005fc16 100644
--- a/fitnesstrax/app/Cargo.toml
+++ b/fitnesstrax/app/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 adw             = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
+ft-core         = { path = "../core" }
 gio             = { version = "0.18" }
 glib            = { version = "0.18" }
 gtk             = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }
diff --git a/fitnesstrax/app/resources/com.luminescent-dreams.fitnesstrax.dev.gschema.xml b/fitnesstrax/app/resources/com.luminescent-dreams.fitnesstrax.dev.gschema.xml
new file mode 100644
index 0000000..53d1d41
--- /dev/null
+++ b/fitnesstrax/app/resources/com.luminescent-dreams.fitnesstrax.dev.gschema.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<schemalist>
+    <schema id="com.luminescent-dreams.fitnesstrax.dev" path="/com/luminescent-dreams/fitnesstrax/dev/">
+        <key name="series-path" type="s">
+            <default>""</default>
+            <summary>Path to the series</summary>
+        </key>
+    </schema>
+</schemalist>
diff --git a/fitnesstrax/app/src/main.rs b/fitnesstrax/app/src/main.rs
index 3204d89..fdfe8f2 100644
--- a/fitnesstrax/app/src/main.rs
+++ b/fitnesstrax/app/src/main.rs
@@ -1,7 +1,12 @@
-use fitnesstrax;
 use gtk::prelude::*;
 use std::env;
 
+const APP_ID_DEV: &str = "com.luminescent-dreams.fitnesstrax.dev";
+const APP_ID_PROD: &str = "com.luminescent-dreams.fitnesstrax";
+
+const RESOURCE_BASE_PATH_DEV: &str = "/com/luminescent-dreams/fitnesstrax/dev/";
+const RESOURCE_BASE_PATH_PROD: &str = "/com/luminescent-dreams/fitnesstrax/";
+
 struct AppState {}
 
 struct AppWindow {
@@ -9,11 +14,19 @@ struct AppWindow {
 }
 
 fn main() {
-    println!("Hello, world!");
+    let (app_id, base_path) = if std::env::var_os("ENV") == Some("dev".into()) {
+        (APP_ID_DEV, RESOURCE_BASE_PATH_DEV)
+    } else {
+        (APP_ID_PROD, RESOURCE_BASE_PATH_PROD)
+    };
+
+    let settings = gio::Settings::new(app_id);
+
+    println!("database path: {}", settings.string("series-path"));
 
     let app = adw::Application::builder()
-        .application_id("com.luminescent-dreams.fitnesstrax")
-        .resource_base_path("/com/luminescent-dreams/fitnesstrax")
+        .application_id(app_id)
+        .resource_base_path(base_path)
         .build();
 
     /*
diff --git a/flake.nix b/flake.nix
index bac9d63..387310c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,6 +48,7 @@
             typeshare.packages."x86_64-linux".default
           ];
           LIBCLANG_PATH="${pkgs.llvmPackages.libclang.lib}/lib";
+          ENV = "dev";
         };
     };
 }