added dockerfile instructions

Dockerfile

@@ -0,0 +1,19 @@
+FROM alpine:3.4
+
+MAINTAINER fehguy
+
+RUN apk add --update nginx
+RUN mkdir -p /run/nginx
+
+COPY nginx.conf /etc/nginx/
+
+# copy swagger files to the `/js` folder
+ADD ./dist/ /usr/share/nginx/html/js
+ADD ./public/index.html /usr/share/nginx/html
+
+# change the folder structure
+RUN sed -i 's/\.\.\/dist/js/g' /usr/share/nginx/html/index.html
+
+EXPOSE 8080
+
+CMD exec nginx -g 'daemon off;'