docker : fix docker locale issue (#6267)

Author: fyun89

.devops/llama-server-cuda.Dockerfile

@@ -30,6 +30,9 @@ FROM ${BASE_CUDA_RUN_CONTAINER} AS runtime
 RUN apt-get update && \
     apt-get install -y libcurl4-openssl-dev libgomp1 curl
 
+# Adds locale pack
+RUN apt-get update && apt-get install -y locales && locale-gen en_US.UTF-8 && update-locale LANG=en_US.UTF-8
+
 COPY --from=build /app/build/ggml/src/libggml.so /libggml.so
 COPY --from=build /app/build/src/libllama.so /libllama.so
 COPY --from=build /app/build/bin/llama-server /llama-server

.devops/llama-server-intel.Dockerfile

@@ -23,6 +23,9 @@ FROM intel/oneapi-basekit:$ONEAPI_VERSION AS runtime
 RUN apt-get update && \
     apt-get install -y libcurl4-openssl-dev curl
 
+# Add locale pack
+RUN apt-get update && apt-get install -y locales && locale-gen en_US.UTF-8 && update-locale LANG=en_US.UTF-8
+
 COPY --from=build /app/build/bin/llama-server /llama-server
 
 ENV LC_ALL=C.utf8