When preparing pulsar-build Docker image, ensure apt-get update is no…

…t cached (apache#1689)
tahirh · Apr 30, 2018 · f0d0907 · f0d0907
1 parent 0f2f478
commit f0d0907
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/build/docker/Dockerfile b/build/docker/Dockerfile
@@ -23,8 +23,8 @@ FROM ubuntu:16.04
 RUN mkdir /pulsar
 ADD protobuf.patch /pulsar
 
-RUN apt-get update
-RUN apt-get install -y maven tig g++ cmake libssl-dev libcurl4-openssl-dev \
+RUN apt-get update && \
+    apt-get install -y maven tig g++ cmake libssl-dev libcurl4-openssl-dev \
                 liblog4cxx-dev libprotobuf-dev libboost-all-dev google-mock libgtest-dev \
                 libjsoncpp-dev libxml2-utils protobuf-compiler wget \
                 curl doxygen openjdk-8-jdk-headless clang-format-5.0 \