Adding a Dockerfile and updating README

Dockerfile

@@ -0,0 +1,31 @@
+FROM ubuntu:12.04
+
+MAINTAINER cmfatih
+
+# Env
+ENV PHANTOMJS_VERSION 1.9.7
+
+# Commands
+RUN \
+  apt-get update && \
+  apt-get upgrade -y && \
+  apt-get install -y vim git wget libfreetype6 libfontconfig bzip2 && \
+  mkdir -p /srv/var && \
+  wget -q --no-check-certificate -O /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 && \
+  tar -xjf /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C /tmp && \
+  rm -f /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 && \
+  mv /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64/ /srv/var/phantomjs && \
+  ln -s /srv/var/phantomjs/bin/phantomjs /usr/bin/phantomjs && \
+  git clone https://github.com/n1k0/casperjs.git /srv/var/casperjs && \
+  ln -s /srv/var/casperjs/bin/casperjs /usr/bin/casperjs && \
+  apt-get autoremove -y && \
+  apt-get clean all
+
+
+ADD . /opt/ge_checker
+
+VOLUME ["/logs"]
+
+WORKDIR /opt/ge_checker
+
+CMD ["/usr/bin/phantomjs", "--ssl-protocol=any", "ge-cancellation-checker.phantom.js", "-v"]

README.md

@@ -26,6 +26,14 @@ The following must be installed and available in your `$PATH`:
 
 **Note:** Many ISP's block port 25, used for email. If you want to set up email notifications for appointment cancellations and your ISP blocks port 25, a good way around this is to [set up Sendmail to send email through Gmail](http://linuxconfig.org/configuring-gmail-as-sendmail-email-relay).
 
+### Docker ###
+One simple way to run this without installing PhantomJS on your local machine is to use the included DockerFile.
+
+        docker build -t ge-cancellation-checker .
+        cp config.json.example config.json
+        # Make your edits to config.json
+        docker run ge-cancellation-checker
+
 ### Configuration ###
 
 To get started, copy `config.json.example` to `config.json`. In your new config, fill out the following settings:
@@ -64,4 +72,4 @@ If you're interested in contributing, here are a few feature ideas that might im
 
 * Add ability to not send an email when running `go-checker-cron.py` (maybe a `--no-email` flag?)
 * Ignored dates: allow the user to provide a list of days for the checker to ignore
-* Plugin system: update `ge-checker-cron.py` to allow configuration for running multiple phantom scripts and keeping track of multiple appointment systems (not just a Global Entry cheker - e.g., the DMV).
+* Plugin system: update `ge-checker-cron.py` to allow configuration for running multiple phantom scripts and keeping track of multiple appointment systems (not just a Global Entry cheker - e.g., the DMV).