working for the most part

app/db_connection.py

@@ -0,0 +1,11 @@
+import mysql.connector
+import os
+
+def get_connection():
+    return mysql.connector.connect(
+        host=os.getenv('DB_HOST'),
+        port=int(os.getenv('DB_PORT', 3306)),
+        user=os.getenv('DB_USER'),
+        password=os.getenv('DB_PASSWORD'),
+        database=os.getenv('DB_NAME'),
+    )