Add go binary path to path

bionic/x86_64/Dockerfile

@@ -26,7 +26,8 @@ RUN groupadd -g 1000 build \
  && useradd -u 1000 -g 1000 -m build \
  && echo 'Defaults:build !requiretty' | tee -a /etc/sudoers \
  && echo 'build ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers \
- && chown build.build /usr/local/bin
+ && chown build.build /usr/local/bin \
+ && echo 'PATH=$PATH:/usr/lib/go-1.11/bin' >> /etc/profile
 
 USER build
 RUN git clone https://git.icinga.com/build-docker/scripts.git /usr/local/bin