added startup function

docker-compose.dev.yml

@@ -2,9 +2,9 @@ services:
   database:
     container_name: stockhome-mysql
     image: mysql:8.0
-    restart: unless-stopped
     ports:
       - "3312:3306"
+    restart: unless-stopped
     environment:
       MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
       MYSQL_DATABASE: stockhome
@@ -12,16 +12,27 @@ services:
     volumes:
       - ./.docker/volumes/stockhome_mysql:/var/lib/mysql
       - ./mysql-timezone.cnf:/etc/mysql/conf.d/timezone.cnf:ro
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 5s
+      timeout: 3s
+      retries: 20
 
   backend:
     container_name: stockhome-backend
+    ports:
+      - "8004:8004"
     build:
       context: ./backend
       dockerfile: Dockerfile
-    ports:
-      - "8004:8004"
     environment:
+      DB_HOST: stockhome-mysql
+      DB_USER: root
+      DB_NAME: stockhome
+      DB_PASSWORD: ${MYSQL_ROOT_PASSWORD}
+      SECRET_KEY: ${AUTH_SIGNATURE}
       NODE_ENV: production
     depends_on:
-      - database
+      database:
+        condition: service_healthy
     restart: unless-stopped