tidy up by moving clean
diff --git a/Dockerfile b/Dockerfile
index 1e7b0ce..3f52c78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,12 @@
 
 RUN echo "1.565.2" > .lts-version-number
 
-RUN apt-get update && apt-get install -y wget git curl zip && apt-get clean
+RUN apt-get update && apt-get install -y wget git curl zip
 RUN apt-get update && apt-get install -y --no-install-recommends openjdk-7-jdk
-
 RUN wget -q -O - http://pkg.jenkins-ci.org/debian-stable/jenkins-ci.org.key | sudo apt-key add -
 RUN echo deb http://pkg.jenkins-ci.org/debian-stable binary/ >> /etc/apt/sources.list
 RUN apt-get update && apt-get install -y jenkins
+RUN apt-get clean
 RUN rm -rf /var/lib/apt/lists/*
 RUN usermod -m -d /var/jenkins_home jenkins
 RUN mkdir -p /var/jenkins_home && chown -R jenkins /var/jenkins_home