update dockerfile
diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index c4215be..26c9834 100644
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -2,17 +2,9 @@
 MAINTAINER Kostiantyn Danylov <koder.mail@gmail.com>
 
 RUN apt-get update
-
-RUN apt-get install -y python-dev python-pip python-virtualenv \
-    libevent-dev python-libvirt
-
-RUN apt-get install -y libssl-dev libffi-dev
-
-RUN apt-get install -y python-setuptools git vim curl wget
-
-RUN git clone https://github.com/Mirantis/disk_perf_test_tool.git \
-    /opt/disk_perf_tool
-
+RUN apt-get install -y python-dev python-pip python-virtualenv libevent-dev python-libvirt \
+            libssl-dev libffi-dev python-setuptools git vim curl wget
+RUN git clone https://github.com/Mirantis/disk_perf_test_tool.git /opt/disk_perf_tool
 RUN cd /opt/disk_perf_tool/scripts; bash install.sh --full
 
 RUN ["/bin/bash"]