Refactor database connection settings to use asyncpg with environment variables for credentials

db.py

@@ -1,9 +1,22 @@
 from tortoise import Tortoise
+import os
 
 DATABASE_URL = "sqlite://db.sqlite3"
 
 TORTOISE_ORM = {
-    "connections": {"default": DATABASE_URL},
+    "connections": {
+        "default": {
+            "engine": "tortoise.backends.asyncpg",
+            "credentials": {
+                "host": "aws-0-us-west-1.pooler.supabase.com",
+                "port": "5432",
+                "user": os.getenv("DB_USER"),
+                "password": os.getenv("DB_PASSWORD"),
+                "database": "postgres",
+                # "ssl": ssl_context,  # Uncomment this if SSL is required
+            },
+        }
+    },
     "apps": {
         "models": {
             "models": [