upd

z1/docker-compose.yml

@@ -1,12 +1,26 @@
 version: '3.8'
 
 services:
+  mysql:
+    image: mysql:8.0.30
+    container_name: battleship_mysql
+    restart: unless-stopped
+    environment:
+      - MYSQL_ROOT_PASSWORD=somepassword
+      - MYSQL_DATABASE=battleship
+    ports:
+      - "3306:3306"
+    networks:
+      - app-net
+    volumes:
+      - db_data:/var/lib/mysql
+
   backend:
     build: ./backend
     container_name: battleship_backend
     restart: unless-stopped
     environment:
-      - DB_HOST=battleship-mysql
+      - DB_HOST=mysql
       - DB_PORT=3306
       - DB_USER=root
       - DB_PASSWORD=somepassword
@@ -15,6 +29,8 @@ services:
       - "4000:4000"
     networks:
       - app-net
+    depends_on:
+      - mysql
 
   frontend:
     build: ./frontend
@@ -30,3 +46,6 @@ services:
 networks:
   app-net:
     external: true
+
+volumes:
+  db_data:

z1/prepare-app.sh

@@ -1,34 +1,10 @@
 
 echo "Preparing app..."
 
+# Создаем сеть, если хотите оставить её внешней
 docker network inspect app-net >/dev/null 2>&1 || docker network create app-net
 
-if ! docker image inspect mysql:8.0.30 >/dev/null 2>&1; then
+# Собираем образы (backend, frontend) через docker-compose
-    echo "MySQL image not found locally. Pulling image..."
-    docker pull mysql:8.0.30
-fi
-
-MYSQL_CONTAINER=$(docker ps -aq -f name=battleship-mysql)
-
-if [ -n "$MYSQL_CONTAINER" ]; then
-  
-    if [ "$(docker ps -q -f name=battleship-mysql)" ]; then
-        echo "MySQL container is already running."
-    else
-        echo "Starting existing MySQL container..."
-        docker start battleship-mysql
-        docker network connect app-net battleship-mysql || true
-    fi
-else
-    echo "Creating and starting MySQL container..."
-    docker run --network app-net --name battleship-mysql \
-      -e MYSQL_ROOT_PASSWORD=somepassword \
-      -e MYSQL_DATABASE=battleship \
-      -p 3306:3306 \
-      -d mysql:8.0.30
-fi
-
-
 docker-compose build
 
 echo "Preparation done."

z1/remove-app.sh

@@ -1,10 +1,11 @@
 
 echo "Removing app..."
 
+# Останавливаем и удаляем все контейнеры, 
+# а также volume (db_data), образы локальные (если надо)
 docker-compose down -v --rmi local
 
-# Если нужно удалить базу данных, можно удалить контейнер MySQL отдельно:
+# Если хотите удалить и внешнюю сеть:
-docker rm -f battleship-mysql
+docker network rm app-net || true
-docker volume rm db_data
 
 echo "App removed completely."

z1/start-app.sh

@@ -6,4 +6,5 @@ docker-compose up -d
 echo "App is running."
 echo "Frontend is available at: http://localhost:3001"
 echo "Backend is available at: http://localhost:4000"
+echo "MySQL is available at: localhost:3306"
 docker-compose ps