feat : 代码梳理 移除所有敏感密钥 通过环境变量方式配置

app/core/mysql_config.py

@@ -0,0 +1,10 @@
+from app.core.config import settings
+
+DB_CONFIG = {
+    "host": settings.MYSQL_HOST,
+    "port": settings.MYSQL_PORT,
+    "user": settings.MYSQL_USER,
+    "password": settings.MYSQL_PASSWORD,
+    "database": settings.MYSQL_DB,
+    "charset": settings.MYSQL_CHARSET,
+}