- changed to a smaller OS footprint (VMware's Photon OS)

- simplified Dockerfile definition
- explicitly exposed the port

Dockerfile

@@ -7,16 +7,14 @@
 #
 ###
 
-FROM    ubuntu:14.04
-MAINTAINER dnephin@gmail.com
-
-ENV     DEBIAN_FRONTEND noninteractive
-
-RUN     apt-get update && apt-get install -y git npm nodejs openjdk-7-jre
-RUN     ln -s /usr/bin/nodejs /usr/local/bin/node
+FROM vmware/node:4.2.4
 
 WORKDIR /build
-ADD     package.json    /build/package.json
+
+COPY . /build
+
 RUN npm install
-ADD     .   /build
-CMD     ./node_modules/gulp/bin/gulp.js serve
+
+EXPOSE 8080
+
+CMD /build/node_modules/gulp/bin/gulp.js serve

README.md

@@ -55,10 +55,10 @@ To build swagger-ui using a docker container:
 
 ```
 docker build -t swagger-ui-builder .
-docker run -p 127.0.0.1:8080:8080 swagger-ui-builder
+docker run -p 80:8080 swagger-ui-builder
 ```
 
-This will start Swagger UI at `http://localhost:8080`.
+This will start Swagger UI at `http://localhost`.
 
 ### Use
 Once you open the Swagger UI, it will load the [Swagger Petstore](http://petstore.swagger.io/v2/swagger.json) service and show its APIs.  You can enter your own server url and click explore to view the API.