Now rading database from env var

src/database.rs

@@ -18,10 +18,10 @@ pub enum DatabaseError {
 }
 
 impl Database {
-    pub async fn init(host: &str, user: &str, pass: &str, db_name: &str) -> Database {
+    pub async fn init(database_url: &str) -> Database {
         match PgPoolOptions::new()
             .max_connections(10)
-            .connect(&format!("postgres://{user}:{pass}@{host}/{db_name}"))
+            .connect(database_url)
             .await
         {
             Ok(pool) => {