fix bugs in DocIndexRetriever (#1770)

Signed-off-by: minmin-intel <minmin.hou@intel.com>

DocIndexRetriever/docker_compose/intel/cpu/xeon/README.md

@@ -97,9 +97,6 @@ Retrieval from KnowledgeBase
 curl http://${host_ip}:8889/v1/retrievaltool -X POST -H "Content-Type: application/json" -d '{
      "messages": "Explain the OPEA project?"
      }'
-
-# expected output
-{"id":"354e62c703caac8c547b3061433ec5e8","reranked_docs":[{"id":"06d5a5cefc06cf9a9e0b5fa74a9f233c","text":"Close SearchsearchMenu WikiNewsCommunity Daysx-twitter linkedin github searchStreamlining implementation of enterprise-grade Generative AIEfficiently integrate secure, performant, and cost-effective Generative AI workflows into business value.TODAYOPEA..."}],"initial_query":"Explain the OPEA project?"}
 ```
 
 **Note**: `messages` is the required field. You can also pass in parameters for the retriever and reranker in the request. The parameters that can changed are listed below.
@@ -128,7 +125,7 @@ curl http://${host_ip}:8889/v1/retrievaltool -X POST -H "Content-Type: applicati
    # embedding microservice
    curl http://${host_ip}:6000/v1/embeddings \
      -X POST \
-     -d '{"text":"Explain the OPEA project"}' \
+     -d '{"messages":"Explain the OPEA project"}' \
      -H 'Content-Type: application/json' > query
    docker container logs embedding-server
 

DocIndexRetriever/docker_compose/intel/cpu/xeon/compose.yaml

@@ -13,10 +13,11 @@ services:
   dataprep-redis-service:
     image: ${REGISTRY:-opea}/dataprep:${TAG:-latest}
     container_name: dataprep-redis-server
-    # volumes:
-    #   - $WORKDIR/GenAIExamples/DocIndexRetriever/docker_image_build/GenAIComps/comps:/home/user/comps
     depends_on:
-      - redis-vector-db
+      redis-vector-db:
+        condition: service_started
+      tei-embedding-service:
+        condition: service_healthy
     ports:
       - "6007:5000"
       - "6008:6008"
@@ -28,7 +29,7 @@ services:
       REDIS_URL: ${REDIS_URL}
       REDIS_HOST: ${REDIS_HOST}
       INDEX_NAME: ${INDEX_NAME}
-      TEI_ENDPOINT: ${TEI_EMBEDDING_ENDPOINT}
+      TEI_EMBEDDING_ENDPOINT: ${TEI_EMBEDDING_ENDPOINT}
       HUGGINGFACEHUB_API_TOKEN: ${HUGGINGFACEHUB_API_TOKEN}
       LOGFLAG: ${LOGFLAG}
   tei-embedding-service:
@@ -54,8 +55,6 @@ services:
   embedding:
     image: ${REGISTRY:-opea}/embedding:${TAG:-latest}
     container_name: embedding-server
-    # volumes:
-    #   - $WORKDIR/GenAIExamples/DocIndexRetriever/docker_image_build/GenAIComps/comps:/home/comps
     ports:
       - "6000:6000"
     ipc: host
@@ -114,8 +113,6 @@ services:
   reranking:
     image: ${REGISTRY:-opea}/reranking:${TAG:-latest}
     container_name: reranking-tei-xeon-server
-    # volumes:
-    #   - $WORKDIR/GenAIExamples/DocIndexRetriever/docker_image_build/GenAIComps/comps:/home/user/comps
     depends_on:
       tei-reranking-service:
         condition: service_healthy