Fix dataprep microservice path issue (#284)

Signed-off-by: Yingchun Guo <yingchun.guo@intel.com>

Author: daisy-ycguo

ChatQnA/docker/gaudi/README.md

@@ -40,7 +40,7 @@ docker build --no-cache -t opea/llm-tgi:latest --build-arg https_proxy=$https_pr
 ### 6. Build Dataprep Image
 
 ```bash
-docker build --no-cache -t opea/dataprep-redis:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f comps/dataprep/redis/docker/Dockerfile .
+docker build --no-cache -t opea/dataprep-redis:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f comps/dataprep/redis/langchain/docker/Dockerfile .
 ```
 
 ### 7. Build TEI Gaudi Image

ChatQnA/docker/xeon/README.md

@@ -93,7 +93,7 @@ docker build --no-cache -t opea/llm-tgi:latest --build-arg https_proxy=$https_pr
 ### 5. Build Dataprep Image
 
 ```bash
-docker build --no-cache -t opea/dataprep-redis:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f comps/dataprep/redis/docker/Dockerfile .
+docker build --no-cache -t opea/dataprep-redis:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f comps/dataprep/redis/langchain/docker/Dockerfile .
 cd ..
 ```
 

ChatQnA/tests/test_chatqna_on_gaudi.sh

@@ -17,7 +17,7 @@ function build_docker_images() {
     docker build -t opea/retriever-redis:latest -f comps/retrievers/langchain/docker/Dockerfile .
     docker build -t opea/reranking-tei:latest -f comps/reranks/langchain/docker/Dockerfile .
     docker build -t opea/llm-tgi:latest -f comps/llms/text-generation/tgi/Dockerfile .
-    docker build -t opea/dataprep-redis:latest -f comps/dataprep/redis/docker/Dockerfile .
+    docker build -t opea/dataprep-redis:latest -f comps/dataprep/redis/langchain/docker/Dockerfile .
 
     cd ..
     git clone https://github.com/huggingface/tei-gaudi

ChatQnA/tests/test_chatqna_on_xeon.sh

@@ -17,7 +17,7 @@ function build_docker_images() {
     docker build -t opea/retriever-redis:latest -f comps/retrievers/langchain/docker/Dockerfile .
     docker build -t opea/reranking-tei:latest -f comps/reranks/langchain/docker/Dockerfile .
     docker build -t opea/llm-tgi:latest -f comps/llms/text-generation/tgi/Dockerfile .
-    docker build -t opea/dataprep-redis:latest -f comps/dataprep/redis/docker/Dockerfile .
+    docker build -t opea/dataprep-redis:latest -f comps/dataprep/redis/langchain/docker/Dockerfile .
 
     cd $WORKPATH/docker
     docker build --no-cache -t opea/chatqna:latest -f Dockerfile .