Update Dockerfile

Author: Bert Lorenz

Dockerfile

@@ -1,25 +1,18 @@
-FROM ubuntu
+FROM ubuntu:trusty
 
 ENV DEBIAN_FRONTEND noninteractive
 
-#Add Files
 ADD startup.sh /startup.sh
-RUN chmod +x /startup.sh
 
-#Install Prerequisites
-RUN apt-get update && apt-get upgrade && apt-get dist-upgrade
-RUN apt-get install git x11vnc wget python python-numpy unzip xvfb firefox openbox geany menu -y
-RUN apt-get install gnucash -y
+RUN apt-get update -y && \
+    apt-get install -y git x11vnc wget python python-numpy unzip Xvfb firefox openbox geany menu && \
+    cd /root && git clone https://github.com/kanaka/noVNC.git && \
+    cd noVNC/utils && git clone https://github.com/kanaka/websockify websockify && \
+    cd /root && \
+    chmod 0755 /startup.sh && \
+    apt-get autoclean && \
+    apt-get autoremove && \
+    rm -rf /var/lib/apt/lists/*
 
-#Get noVNC
-RUN cd /root && git clone https://github.com/kanaka/noVNC.git
-RUN cd /root/noVNC/utils && git clone https://github.com/kanaka/websockify websockify
-
-#Cleanup
-RUN apt-get autoclean && apt-get autoremove
-
-#Run
 CMD /startup.sh
-
-#Ports
 EXPOSE 6080