add truncate and backslash

Author: sramakintel

intel_extension_for_transformers/neural_chat/docker/finetuning/Dockerfile

@@ -76,8 +76,8 @@ EXPOSE ${SSHD_PORT}
 
 WORKDIR /intel-extension-for-transformers/intel_extension_for_transformers/neural_chat/
 
-RUN truncate -s 0 /etc/ssh/ssh_host_*_key*
-RUN truncate -s 0 /etc/ssh/ssh_host_*_key*.pub
+RUN truncate -s 0 /etc/ssh/ssh_host_*_key* && \
+    truncate -s 0 /etc/ssh/ssh_host_*_key*.pub
 
 CMD ["/usr/sbin/sshd", "-D"]
 

intel_extension_for_transformers/neural_chat/docker/text_generation/README.md

@@ -18,7 +18,7 @@ export DOCKER_BUILD_ARGS="--build-arg https_proxy=$https_proxy \
        --build-arg no_proxy=$no_proxy"
 
 docker build . -f cpu/Dockerfile \
-       ${DOCKER_BUILD_ARGS}
+       ${DOCKER_BUILD_ARGS} \
        -t intel/intel-extension-for-transformers:text-generation-cpu-1.4.0       
 ```
 Or pull the docker images as follows: