feat: MySQL integration, Docker setup, drag-and-drop kanban

docker-compose.yml

@@ -0,0 +1,52 @@
+version: '3.8'
+
+services:
+  mysql:
+    image: mysql:8.0
+    container_name: scrum-mysql
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: scrumpass
+      MYSQL_DATABASE: scrum_manager
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-pscrumpass"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+
+  backend:
+    build:
+      context: ./server
+      dockerfile: Dockerfile
+    container_name: scrum-backend
+    restart: unless-stopped
+    ports:
+      - "3001:3001"
+    environment:
+      DB_HOST: mysql
+      DB_PORT: 3306
+      DB_USER: root
+      DB_PASSWORD: scrumpass
+      DB_NAME: scrum_manager
+      PORT: 3001
+    depends_on:
+      mysql:
+        condition: service_healthy
+
+  frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: scrum-frontend
+    restart: unless-stopped
+    ports:
+      - "5173:5173"
+    depends_on:
+      - backend
+
+volumes:
+  mysql_data: