read database connection string from .env

cutt/db.py

@@ -1,3 +1,4 @@
+import os
 from datetime import datetime, timezone
 from sqlmodel import (
     ARRAY,
@@ -10,8 +11,9 @@ from sqlmodel import (
     create_engine,
 )
 
-with open("db.secrets", "r") as f:
+# with open("db.secrets", "r") as f:
-    db_secrets = f.readline().strip()
+#     db_secrets = f.readline().strip()
+db_secrets = f"postgresql+psycopg://{os.environ['DB_USER']}:{os.environ['DB_PASS']}@{os.environ['DB_HOST']}:{os.environ['DB_PORT']}/{os.environ['DB_NAME']}"
 
 engine = create_engine(
     db_secrets,