Docker support (#370)

* Add Docker support
* Prevent accidentally leaking .selenium folder when developing
* Added Docker cli commands to README

.dockerignore

@@ -0,0 +1,3 @@
+node_modules
+npm-debug.log
+.selenium

Dockerfile

@@ -0,0 +1,57 @@
+FROM ubuntu:latest
+
+ENV NODE_VERSION 8.11.2
+
+LABEL maintainer="Vincent Voyer <vincent@zeroload.net>"
+
+ENV LC_ALL=C
+ENV DEBIAN_FRONTEND=noninteractive
+ENV DEBCONF_NONINTERACTIVE_SEEN=true
+
+EXPOSE 4444
+
+RUN apt-get -qqy update
+RUN apt-get -qqy install \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    software-properties-common \
+    sudo
+RUN curl -sS -o - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+RUN echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list
+RUN echo "deb http://archive.ubuntu.com/ubuntu xenial main universe\n" > /etc/apt/sources.list \
+  && echo "deb http://archive.ubuntu.com/ubuntu xenial-updates main universe\n" >> /etc/apt/sources.list \
+  && echo "deb http://security.ubuntu.com/ubuntu xenial-security main universe\n" >> /etc/apt/sources.list
+RUN apt-get -qqy update
+
+
+RUN groupadd --gid 1000 node \
+  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
+RUN echo 'node ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
+
+RUN curl -sL https://deb.nodesource.com/setup_8.x | bash -
+RUN apt-get -qqy --no-install-recommends install \
+  nodejs \
+  firefox \
+  google-chrome-stable \
+  openjdk-8-jre-headless \
+  xvfb \
+  xfonts-100dpi \
+  xfonts-75dpi \
+  xfonts-scalable \
+  xfonts-cyrillic
+
+RUN export DISPLAY=:99.0
+RUN Xvfb :99 -shmem -screen 0 1366x768x16 &
+
+WORKDIR /home/node
+# For development
+# ADD . ./selenium-standalone-local
+# RUN chown node:node -R .
+USER node
+RUN npm init -y
+# RUN npm install -i ./selenium-standalone-local
+RUN npm install -i selenium-standalone
+
+
+CMD DEBUG=selenium-standalone:* ./node_modules/.bin/selenium-standalone install && DEBUG=selenium-standalone:* ./node_modules/.bin/selenium-standalone start

README.md

@@ -292,6 +292,13 @@ $ DEBUG=selenium-standalone:* selenium-standalone install --drivers.chrome.versi
 
 - [Gulp + WebdriverIO + Mocha](https://twin.github.io/selenium-testing-workflow-with-webdriverio/)
 
+### Docker
+
+1. `git clone git@github.com:vvo/selenium-standalone.git`
+1. `cd selenium-standalone`
+1. `docker build -f Dockerfile -t vvo/selenium-standalone . --rm`
+1. `docker run -p 4444:4444 vvo/selenium-standalone`
+
 ### Release
 
 ```sh