Remove deprecated 'depends_on' entries in deploy-compose.swarm.yml and add healthcheck configurations for MongoDB and MeiliSearch services.

deploy-compose.swarm.yml

@@ -9,9 +9,11 @@ services:
     image: ghcr.io/danny-avila/librechat-dev-api:latest
     # ports:
     #   - 3080:3080
-    depends_on:
-      - mongodb
-      - rag_api
+    # Note: depends_on is ignored in Docker Swarm mode
+    # Services start in parallel, so API must handle connection retries
+    # depends_on:
+    #   - mongodb
+    #   - rag_api
     networks:
       - net
     extra_hosts:
@@ -63,8 +65,9 @@ services:
     # ports:
     #   - 80:80
     #   - 443:443
-    depends_on:
-      - api
+    # Note: depends_on is ignored in Docker Swarm mode
+    # depends_on:
+    #   - api
     networks:
       - net
       - badge-net
@@ -94,6 +97,12 @@ services:
     volumes:
       - librechat-mongodb:/data/db
     command: mongod --noauth
+    healthcheck:
+      test: ["CMD-SHELL", "mongosh --eval 'db.adminCommand(\"ping\")' --quiet || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
     deploy:
       replicas: 1
       restart_policy:
@@ -122,6 +131,12 @@ services:
       - MEILI_NO_ANALYTICS=true
     volumes:
       - librechat-meili_data:/meili_data
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:7700/health || wget --spider -q http://localhost:7700/health || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
     deploy:
       replicas: 1
       restart_policy:
@@ -175,8 +190,9 @@ services:
       - RAG_PORT=${RAG_PORT:-8000}
     networks:
       - net
-    depends_on:
-      - vectordb
+    # Note: depends_on is ignored in Docker Swarm mode
+    # depends_on:
+    #   - vectordb
     env_file:
       - stack.env
     healthcheck:
@@ -202,8 +218,9 @@ services:
 
   metrics:
     image: ghcr.io/virtuos/librechat_exporter:main
-    depends_on:
-      - mongodb
+    # Note: depends_on is ignored in Docker Swarm mode
+    # depends_on:
+    #   - mongodb
     # ports:
     #   - "8000:8000"
     networks: