fix docker compose

docker-compose.yml

@@ -1,35 +1,13 @@
 version: "3.9"
 
 services:
-  mariadb:
-    image: mariadb:11.2
-    container_name: portfolio_mariadb
-    restart: always
-    environment:
-      MYSQL_ROOT_PASSWORD: root_password_change_me
-      MYSQL_DATABASE: portfolio_db
-      MYSQL_USER: portfolio_user
-      MYSQL_PASSWORD: portfolio_password
-    volumes:
-      - mariadb_data:/var/lib/mysql
-    ports:
-      - "127.0.0.1:3306:3306"
-    healthcheck:
-      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-
   flaskapp:
-    image: python:3.10-slim
+    image: python:3.11-slim
     container_name: portfolio_flaskapp
     working_dir: /app
     ports:
       - "127.0.0.1:5000:5000"
     restart: always
-    depends_on:
-      mariadb:
-        condition: service_healthy
     command: >
       sh -c "
         apt-get update &&
@@ -41,11 +19,5 @@ services:
       "
     environment:
       - PYTHONUNBUFFERED=1
-      - DB_HOST=mariadb
-      - DB_PORT=3306
-      - DB_USER=portfolio_user
-      - DB_PASSWORD=portfolio_password
-      - DB_NAME=portfolio_db
-
-volumes:
-  mariadb_data:
+    env_file:
+      - .env