Dockerfile in minke-1.9.7

- old
+ new
@@ -2,16 +2,14 @@
 
 ENV COMPOSE_VERSION 1.7.1
 ENV PATH /usr/local/rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
 RUN apt-get update
-RUN apt-get -y install procps build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison rubygems
+RUN apt-get -y install procps build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison rubygems ca-certificates
 
 RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 && curl -L get.rvm.io | bash -s stable --ruby=2.3.1 --with-gems="bundle"
 
-RUN apt-get update -q \
-	&& apt-get install -y -q --no-install-recommends curl ca-certificates \
-	&& curl -o /usr/local/bin/docker-compose -L \
+RUN curl -o /usr/local/bin/docker-compose -L \
 		"https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-Linux-x86_64" \
 	&& chmod +x /usr/local/bin/docker-compose
 
 COPY Gemfile Gemfile
 