added docker and chnages of from model changes commits

AppCode/Config.py

@@ -1,21 +1,43 @@
+# import mysql.connector
+# import os
+
+# # Database Config 
+# class DBConfig:
+#     MYSQL_HOST = os.getenv("DB_HOST")
+#     MYSQL_USER = os.getenv("DB_USER")
+#     MYSQL_PASSWORD = os.getenv("DB_PASSWORD")
+#     MYSQL_DB = os.getenv("DB_NAME")
+
+#     @staticmethod
+#     def get_db_connection():
+#         """
+#         Returns a MySQL connection object.
+#         """
+#         return mysql.connector.connect(
+#             host=DBConfig.MYSQL_HOST,
+#             user=DBConfig.MYSQL_USER,
+#             password=DBConfig.MYSQL_PASSWORD,
+#             database=DBConfig.MYSQL_DB
+#         )
+
+
 import mysql.connector
 import os
 
-# Database Config 
-class DBConfig:
-    MYSQL_HOST = os.getenv("DB_HOST")
-    MYSQL_USER = os.getenv("DB_USER")
-    MYSQL_PASSWORD = os.getenv("DB_PASSWORD")
-    MYSQL_DB = os.getenv("DB_NAME")
 
+class DBConfig:
     @staticmethod
     def get_db_connection():
         """
-        Returns a MySQL connection object.
+        Create and return a MySQL database connection
+        using environment variables.
         """
+
         return mysql.connector.connect(
-            host=DBConfig.MYSQL_HOST,
-            user=DBConfig.MYSQL_USER,
-            password=DBConfig.MYSQL_PASSWORD,
-            database=DBConfig.MYSQL_DB
+            host=os.getenv("DB_HOST", "db"),        # Docker service name
+            port=int(os.getenv("DB_PORT", 3306)),
+            user=os.getenv("DB_USER", "root"),
+            password=os.getenv("DB_PASSWORD", "root"),
+            database=os.getenv("DB_NAME", "test_income_taxdb"),
+            autocommit=False
         )