Add compass

Author: andypost

Dockerfile

@@ -2,9 +2,10 @@ FROM mhart/alpine-node
 
 MAINTAINER Andy Postnikov
 
-RUN npm install gulp -g
-
 ENV RUBY_VERSION 2.1.8
+ENV PATH /usr/local/rbenv/bin:$PATH
+
+RUN npm install gulp -g
 
 RUN apk add --no-cache \
   libstdc++ tzdata bash \
@@ -15,19 +16,17 @@ RUN apk add --no-cache \
   && git clone https://github.com/rbenv/ruby-build.git /usr/local/rbenv/plugins/ruby-build \
   && git clone git://github.com/tpope/rbenv-aliases.git /usr/local/rbenv/plugins/rbenv-aliases \
   && /usr/local/rbenv/plugins/ruby-build/install.sh \
-  && /usr/local/rbenv/bin/rbenv install ${RUBY_VERSION} \
+  && rbenv install ${RUBY_VERSION} \
+  && rbenv global ${RUBY_VERSION} \
+  && ln -s $(rbenv which ruby) /usr/local/bin/ruby \
+  && ln -s $(rbenv which gem) /usr/local/bin/gem \
+  && gem install bundler compass scss_lint --no-ri --no-rdoc \
+  && ln -s $(rbenv which bundle) /usr/local/bin/bundle \
+  && ln -s $(rbenv which compass) /usr/local/bin/compass \
+  && ln -s $(rbenv which scss-lint) /usr/local/bin/scss-lint \
   && apk del git gcc g++ make \
   openssl-dev readline-dev zlib-dev \
   && rm -rf /tmp/*
 
-ENV PATH /usr/local/rbenv/bin:$PATH
-
-RUN rbenv global ${RUBY_VERSION} \
-  && ln -s $(rbenv which gem) /usr/local/bin/gem \
-  && ln -s $(rbenv which ruby) /usr/local/bin/ruby \
-  && gem install bundler scss_lint --no-ri --no-rdoc \
-  && ln -s $(rbenv which bundle) /usr/local/bin/bundle \
-  && ln -s $(rbenv which scss-lint) /usr/local/bin/scss-lint
-
 VOLUME /work
 WORKDIR /work