diff --git a/docker/b_image/Dockerfile b/docker/b_image/Dockerfile
index 3fe3c06..ac5897c 100644
--- a/docker/b_image/Dockerfile
+++ b/docker/b_image/Dockerfile
@@ -1,3 +1,8 @@
 FROM ubuntu:18.04
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y cmake git libtbb-dev libeigen3-dev libglew-dev ccache libjpeg-dev libpng-dev openssh-client liblz4-dev libbz2-dev libboost-regex-dev libboost-filesystem-dev libboost-date-time-dev libboost-program-options-dev libopencv-dev libpython2.7-dev libgtest-dev lsb-core gcovr ggcov lcov
+RUN apt-get update && apt-get install -y wget gnupg 
+
+RUN wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key| apt-key add -
+RUN echo "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-8 main" > /etc/apt/sources.list.d/llvm8.list
+
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y cmake git libtbb-dev libeigen3-dev libglew-dev ccache libjpeg-dev libpng-dev openssh-client liblz4-dev libbz2-dev libboost-regex-dev libboost-filesystem-dev libboost-date-time-dev libboost-program-options-dev libopencv-dev libpython2.7-dev libgtest-dev lsb-core gcovr ggcov lcov clang-format-8