refine Dockerfile

Author: Christian Kniep

Dockerfile

@@ -1,9 +1,8 @@
 FROM qnib/u-supervisor
 
-RUN apt-get update
-RUN apt-get install -y sqlite python3 python-pip gcc 
-RUN apt-get install -y apt-transport-https
-RUN apt-get install -y libmysqlclient-dev \
+RUN echo "deb [trusted=yes] http://repo.iovisor.org/apt/xenial xenial-nightly main" > /etc/apt/sources.list.d/iovisor.list \
+ && apt-get update \
+ && apt-get install -y sqlite python3 python-pip gcc apt-transport-https libmysqlclient-dev libelf1 bcc-tools libbcc-examples \
  && pip install mysql
 
 ADD . /opt/kernelscope/
@@ -12,10 +11,6 @@ ADD etc/supervisord.d/kernelscope-visualiser.ini \
     etc/supervisord.d/kernelscope.ini \
     etc/supervisord.d/kernelscope-offcputime.ini \
     /etc/supervisord.d/
-RUN echo "deb [trusted=yes] http://repo.iovisor.org/apt/xenial xenial-nightly main" > /etc/apt/sources.list.d/iovisor.list \
- && apt-get update -y \
- && apt-get install -y libelf1 \
- && apt-get install -y bcc-tools libbcc-examples
 ADD entrypoint.sh /usr/bin/
 CMD ["/usr/bin/entrypoint.sh", "/opt/qnib/supervisor/bin/start.sh", "-n"]