Backend con base de datos relacional MySQL

backend/api/database/connection.py

@@ -0,0 +1,18 @@
+import os
+from sqlalchemy import create_engine
+
+DB_USER = "root"
+DB_PASSWORD = "root"
+DB_HOST = "db"
+DB_PORT = "3306"
+DB_NAME = "deckofcards"
+
+DATABASE_URL = (
+    f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
+)
+
+engine = create_engine(
+    DATABASE_URL,
+    pool_pre_ping=True,
+    echo=False
+)