refactoring some containers

beanstalkd-console/Dockerfile

@@ -7,8 +7,10 @@ RUN apt-get update && apt-get install -y curl
 RUN curl -sL https://github.com/ptrofimov/beanstalk_console/archive/master.tar.gz | tar xvz -C /tmp
 RUN mv /tmp/beanstalk_console-master /source
 
-RUN apt-get remove --purge -y curl && apt-get autoclean && apt-get clean
-RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN apt-get remove --purge -y curl &&
+    apt-get autoclean &&
+    apt-get clean &&
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 EXPOSE 2080
 

caddy/Dockerfile

@@ -1,4 +1,5 @@
 FROM alpine:3.4
+
 MAINTAINER Eric Pfeiffer <computerfr33k@users.noreply.github.com>
 
 LABEL caddy_version="0.9.0" architecture="amd64"
@@ -16,7 +17,9 @@ RUN curl --silent --show-error --fail --location \
  && /usr/bin/caddy -version
 
 EXPOSE 80 443 2015
+
 WORKDIR /var/www/laravel/public
 
 ENTRYPOINT ["caddy"]
+
 CMD ["-conf", "/etc/Caddyfile"]

hhvm/Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:14.04  
 
 RUN apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0x5a16e7281be7a449
-RUN apt-get update -y && apt-get install -y software-properties-common \
+
+RUN apt-get install -y software-properties-common \
     && add-apt-repository "deb http://dl.hhvm.com/ubuntu $(lsb_release -sc) main" \
     && apt-get update -y \
     && apt-get install -y hhvm \