Add frontend test docker config

Adds Dockerfile to make headless Chrome image

services/web/Dockerfile.frontend

@@ -0,0 +1,6 @@
+FROM node:8.9.4
+
+# Install Google Chrome
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+RUN sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
+RUN apt-get update && apt-get install -y google-chrome-stable

services/web/docker-compose.yml

@@ -20,6 +20,15 @@ services:
       - mongo
     command: node app.js
 
+  test_frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile.frontend
+    volumes:
+      - .:/app
+    working_dir: /app
+    command: npm run test:frontend
+
   redis:
     image: redis