update yml

docker-compose.yml

@@ -1,9 +1,10 @@
-version: '3.8'
+version: "3.8"
 
 services:
   mongodb:
     image: mongo:6.0
     container_name: mongodb
+    hostname: mongodb
     restart: always
     environment:
       - MONGO_INITDB_ROOT_USERNAME=${MONGO_ROOT_USERNAME:-admin}
@@ -13,7 +14,7 @@ services:
       - mongodb_config:/data/configdb
       - ./init-mongo.js:/docker-entrypoint-initdb.d/init-mongo.js:ro
     ports:
-      - "27017:27017"  # Expose MongoDB port to external machines
+      - "27017:27017" # Expose MongoDB port to external machines
     command: ["--auth", "--bind_ip_all", "--replSet", "rs0"]
     healthcheck:
       test: echo 'db.runCommand("ping").ok' | mongosh localhost:27017/admin --quiet
@@ -36,6 +37,7 @@ services:
   mongo-express:
     image: mongo-express:latest
     container_name: mongo-express
+    hostname: mongo-express
     restart: always
     environment:
       - ME_CONFIG_MONGODB_ADMINUSERNAME=${MONGO_ROOT_USERNAME:-admin}
@@ -46,7 +48,7 @@ services:
       - ME_CONFIG_MONGODB_ENABLE_ADMIN=true
       - ME_CONFIG_SITE_BASEURL=/mongo-express
     ports:
-      - "8081:8081"  # Expose Mongo Express web interface to external machines
+      - "8081:8081" # Expose Mongo Express web interface to external machines
     depends_on:
       - mongodb
     networks:
@@ -60,6 +62,10 @@ services:
 networks:
   mongo_network:
     driver: bridge
+    # Adding explicit configuration to ensure proper DNS resolution
+    ipam:
+      config:
+        - subnet: 172.20.0.0/16
 
 volumes:
   mongodb_data: