Merge pull request #6 from paulrbr-fl/ruby

deps: install Ruby 2.6 and Ansible 2.5 as extra image dependencies

Dockerfile

@@ -2,10 +2,26 @@ FROM node:8.12.0-stretch
 
 WORKDIR /app
 
+# Install Mongo repository 3.6
 RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
 RUN echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/3.6 main" > /etc/apt/sources.list.d/mongodb-org-3.6.list
+
+# Install Mongo, python and libpq
 RUN apt-get update
-RUN apt-get install -y mongodb-org-tools mongodb-org-shell
+RUN apt-get install -y mongodb-org-tools mongodb-org-shell \
+        python-pip python-dev libffi-dev libssl-dev libpq5 libpq-dev \
+        && apt-get -y --purge remove python-cffi \
+        && pip install --upgrade cffi setuptools
+
+# Install Ansible
+RUN easy_install -U pip && pip install 'ansible>=2.5,<2.6'
+
+# Install modern Ruby
+RUN cd /tmp && curl -LO https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.3.tar.gz && \
+        tar -xf ruby-2.6.3.tar.gz && cd ruby-2.6.3 && ./configure
+RUN cd /tmp/ruby-2.6.3 && make && make install
+
+# Install Dhall
 RUN curl -LO https://github.com/dhall-lang/dhall-haskell/releases/download/1.21.0/dhall-json-1.2.7-x86_64-linux.tar.bz2 && \
   tar -xf dhall-json-1.2.7-x86_64-linux.tar.bz2 && \
   mv ./bin/dhall-to-json /usr/bin