Add prod container setup

docker/prod-all-providers/Dockerfile

@@ -0,0 +1,34 @@
+# Run vmpooler in a Docker container!  Configuration can either be embedded
+# and built within the current working directory, or stored in a
+# VMPOOLER_CONFIG environment value and passed to the Docker daemon.
+#
+# BUILD:
+#   docker build -t vmpooler .
+#
+# RUN:
+#   docker run -e VMPOOLER_CONFIG -p 80:4567 -it vmpooler
+
+FROM jruby:9.2-jdk
+
+ENV RACK_ENV=production
+
+ENV LOGFILE=/dev/stdout \
+      RACK_ENV=production
+
+RUN apt-get update -qq && \
+    apt-get install -y --no-install-recommends make && \
+    apt-get clean autoclean && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY ./docker-entrypoint.sh /usr/local/bin/
+
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+COPY ./Gemfile* ./
+
+RUN gem install bundler && \
+    bundle config set --local jobs 3 && \
+    bundle install
+
+ENTRYPOINT ["docker-entrypoint.sh"]