Adding docker/docker-compose support.

Dockerfile

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+FROM node:6
+
+RUN mkdir -p /usr/share/nginx/html
+
+COPY . /usr/share/nginx/html/
+
+RUN chown -R node:node /usr/share/nginx/html
+
+USER node
+
+WORKDIR /usr/share/nginx/html
+
+RUN npm install; \
+    npm install grunt-cli underscore
+
+RUN ./node_modules/.bin/grunt
+
+VOLUME ["/usr/share/nginx/html"]
+
+CMD ["bash"]

docker-compose.yml

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+version: "2"
+
+services:
+    nginx:
+        image: nginx:1.13
+        ports:
+            - "8003:80"
+        volumes_from:
+            - freeboard:ro
+    freeboard:
+        image: freeboard
+        build: .