Use sqlite database from command line arg

Rocket.toml

@@ -1,4 +1,2 @@
-[default.databases.rss_data]
-url = "sqlite:data.sqlite"
-
+[default]
 secret_key = "MHSePvm1msyOkYuJ7u+MtyJYCzgdHCS7QNvrk9ts+rI="

src/main.rs

@@ -20,7 +20,7 @@ use user::AuthenticatedUser;
 struct Args {
     /// Path to the SQLite database file
     #[arg(short, long)]
-    database: Option<String>,
+    database: String,
 }
 
 #[derive(Database)]
@@ -44,9 +44,14 @@ fn login() -> Template {
 
 #[launch]
 fn rocket() -> _ {
-    let _args = Args::parse();
+    let args = Args::parse();
 
-    rocket::build()
+    let figment = rocket::Config::figment().merge((
+        "databases.rss_data.url",
+        format!("sqlite:{}", args.database),
+    ));
+
+    rocket::custom(figment)
         .mount(
             "/",
             routes![