update Dockerfile, remove supervisord and unattended-upgrades

Author: caktux

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:utopic
+FROM ubuntu:wily
 MAINTAINER caktux
 
 ENV DEBIAN_FRONTEND noninteractive
@@ -8,24 +8,14 @@ RUN apt-get update
 RUN apt-get upgrade -q -y
 RUN apt-get dist-upgrade -q -y
 
-# Let our containers upgrade themselves
-RUN apt-get install -q -y unattended-upgrades
-
 # Install Ethereum
 RUN apt-get install -q -y software-properties-common
 RUN add-apt-repository ppa:ethereum/ethereum
 RUN add-apt-repository ppa:ethereum/ethereum-dev
 RUN apt-get update
 RUN apt-get install -q -y geth
 
-# Install supervisor
-RUN apt-get install -q -y supervisor
-
-# Add supervisor configs
-ADD supervisord.conf supervisord.conf
-
 EXPOSE 8545
 EXPOSE 30303
 
-CMD ["-n", "-c", "/supervisord.conf"]
-ENTRYPOINT ["/usr/bin/supervisord"]
+ENTRYPOINT ["/usr/bin/geth"]