Enable health check for dataprep in ChatQnA (#1799)

Signed-off-by: letonghan <letong.han@intel.com>

ChatQnA/docker_compose/intel/cpu/xeon/compose_pinecone.yaml

@@ -22,6 +22,12 @@ services:
       LANGCHAIN_API_KEY: ${LANGCHAIN_API_KEY}
       HUGGINGFACEHUB_API_TOKEN: ${HUGGINGFACEHUB_API_TOKEN}
       DATAPREP_COMPONENT_NAME: "OPEA_DATAPREP_PINECONE"
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:5000/v1/health_check || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 50
+    restart: unless-stopped
   tei-embedding-service:
     image: ghcr.io/huggingface/text-embeddings-inference:cpu-1.6
     container_name: tei-embedding-server
@@ -89,11 +95,16 @@ services:
     image: ${REGISTRY:-opea}/chatqna:${TAG:-latest}
     container_name: chatqna-xeon-backend-server
     depends_on:
-      - tei-embedding-service
-      - dataprep-pinecone-service
-      - retriever
-      - tei-reranking-service
-      - vllm-service
+      tei-embedding-service:
+        condition: service_started
+      dataprep-pinecone-service:
+        condition: service_healthy
+      retriever:
+        condition: service_started
+      tei-reranking-service:
+        condition: service_started
+      vllm-service:
+        condition: service_started
     ports:
       - "8888:8888"
     environment: