add healthcheck to db container

docker-compose.yml

@@ -2,6 +2,12 @@ services:
   db:
     image: postgres:13
     env_file: .env
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
+      interval: 10s
+      retries: 5
+      start_period: 30s
+      timeout: 10s
     volumes:
       - pgdata:/var/lib/postgresql/data
     networks:
@@ -15,7 +21,9 @@ services:
     volumes:
       - .:/app
     depends_on:
-      - db
+      db:
+        condition: service_healthy
+        restart: true
     networks:
       - main
     ports: