Add Dockerfile to project (#710)

The integration tests require RVM to run. Without them they can't run.

Added Dockerfile to make it easier to run the project in an isolated environment.

Author: drwl

.dockerignore

@@ -0,0 +1,2 @@
+Dockerfile
+coverage

Dockerfile

@@ -0,0 +1,74 @@
+##
+# Usage:
+#
+#   # build the image
+#   docker build -t annotate-docker .
+#
+#   # run a bash login shell in a container running that image
+#   docker run -it annotate-docker bash -l
+#
+# References:
+# https://github.com/ms-ati/docker-rvm/blob/master/Dockerfile
+# https://hub.docker.com/r/instructure/rvm/dockerfile
+##
+
+FROM ubuntu:18.04
+
+ARG RVM_USER=docker
+
+# RVM version to install
+ARG RVM_VERSION=stable
+
+# Directorry path
+ARG PROJECT_PATH=/annotate_models
+
+# Install RVM
+RUN apt-get update \
+    && apt-get install -y \
+       curl \
+       git \
+       gnupg2 \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/
+
+RUN addgroup --gid 9999 ${RVM_USER} \
+ && adduser --uid 9999 --gid 9999 --disabled-password --gecos "Docker User" ${RVM_USER} \
+ && usermod -L ${RVM_USER}
+
+# No ipv6 support in container (https://github.com/inversepath/usbarmory-debian-base_image/issues/)
+RUN mkdir ~/.gnupg && echo "disable-ipv6" >> ~/.gnupg/dirmngr.conf
+
+# https://superuser.com/questions/954509/what-are-the-correct-permissions-for-the-gnupg-enclosing-folder-gpg-warning
+RUN chmod 700 ~/.gnupg && chmod 600 ~/.gnupg/*
+
+# Install + verify RVM with gpg (https://rvm.io/rvm/security)
+RUN gpg2 --quiet --no-tty --logger-fd 1 --keyserver hkp://keys.gnupg.net \
+         --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 \
+                     7D2BAF1CF37B13E2069D6956105BD0E739499BDB \
+    && echo 409B6B1796C275462A1703113804BB82D39DC0E3:6: | \
+       gpg2 --quiet --no-tty --logger-fd 1 --import-ownertrust \
+    && curl -sSO https://raw.githubusercontent.com/rvm/rvm/${RVM_VERSION}/binscripts/rvm-installer \
+    && curl -sSO https://raw.githubusercontent.com/rvm/rvm/${RVM_VERSION}/binscripts/rvm-installer.asc \
+    && gpg2 --quiet --no-tty --logger-fd 1 --verify rvm-installer.asc \
+    && bash rvm-installer ${RVM_VERSION} \
+    && rm rvm-installer rvm-installer.asc \
+    && echo "bundler" >> /usr/local/rvm/gemsets/global.gems \
+    && echo "rvm_silence_path_mismatch_check_flag=1" >> /etc/rvmrc \
+    && echo "install: --no-document" > /etc/gemrc
+
+# Workaround tty check, see https://github.com/hashicorp/vagrant/issues/1673#issuecomment-26650102
+RUN sed -i 's/^mesg n/tty -s \&\& mesg n/g' /root/.profile
+
+# Switch to a bash login shell to allow simple 'rvm' in RUN commands
+SHELL ["/bin/bash", "-l", "-c"]
+RUN rvm group add rvm "${RVM_USER}"
+
+# Create project directory and copy path
+RUN mkdir -p /${PROJECT_PATH} && chown ${RVM_USER}:${RVM_USER} /${PROJECT_PATH}
+COPY . /${PROJECT_PATH}
+
+# Switch to user
+USER ${RVM_USER}
+RUN echo ". /etc/profile.d/rvm.sh" >> ~/.bashrc
+
+WORKDIR ${PROJECT_PATH}