we need ruby still

Author: ktoso

docker/Dockerfile

@@ -16,6 +16,9 @@ ENV LANGUAGE en_US.UTF-8
 RUN apt-get update && apt-get install -y wget
 RUN apt-get update && apt-get install -y lsof dnsutils netcat-openbsd net-tools curl jq # used by integration tests
 
+# ruby
+RUN apt-get update && apt-get install -y ruby ruby-dev libsqlite3-dev build-essential
+
 # tools
 RUN mkdir -p $HOME/.tools
 RUN echo 'export PATH="$HOME/.tools:$PATH"' >> $HOME/.profile