added Dockerfile

Dockerfile

@@ -0,0 +1,19 @@
+FROM debian:wheezy
+
+RUN apt-get update -y \
+&& apt-get install wget curl -y -q \
+&& curl -sL https://deb.nodesource.com/setup | bash - \
+&& apt-get install nodejs build-essential chrpath libssl-dev libxft-dev libfreetype6 libfreetype6-dev libfontconfig1 libfontconfig1-dev -y -q \
+&& apt-get clean
+
+RUN cd ~/ && wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2 \
+&& mv ~/phantomjs-1.9.7-linux-x86_64.tar.bz2 /usr/local/share/ \
+&& cd /usr/local/share \
+&& tar xvjf phantomjs-1.9.7-linux-x86_64.tar.bz2 \
+&& ln -sf /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phantomjs /usr/bin/phantomjs \
+&& rm phantomjs-1.9.7-linux-x86_64.tar.bz2
+
+ADD . /screenshot-as-a-service
+RUN rm -rf /screenshot-as-a-service/.git && cd /screenshot-as-a-service && npm install
+WORKDIR /screenshot-as-a-service
+CMD ["node", "/screenshot-as-a-service/app"]

Readme.md

@@ -17,6 +17,27 @@ $ node app
 Express server listening on port 3000
 ```
 
+## Setup w/Docker
+
+First [install](https://docs.docker.com/#installation-guides) docker, then clone this repo and build docker image:
+
+```
+$ docker build -t [your_username]/screenshot-as-a-service .
+```
+
+Run the app:
+
+```
+$ docker run -it -p 3000:3000 --name screenshot-as-a-service [your_username]/screenshot-as-a-service
+```
+
+Check the app logs:
+
+```
+$ docker logs screenshot-as-a-service
+Express server listening on port 3000
+```
+
 ## Usage
 
 For a quick test with the command line, type: