update doc

Author: perigee

README.md

@@ -1,3 +1,24 @@
 # plotly.js
+-----
+
 
 The premier high-level javascript graphing library
+
+
+
+
+## Test Plotly.js with Plot.ly Image-Server docker container
+
+### Run container
+
+```bash
+$ docker run -d --name your_container_name \
+                      -v $PWD/plotlyjs:/var/www/streambed/image_server/plotlyjs \
+		      -p 9010:9010 -p 2022:22 plotly/imageserver:[version]
+```
+
+### Run the test
+
+```bash
+$ docker exec -i your_container_name /bin/bash -c "cd /var/www/streambed/image_server/plotlyjs && npm run test-image"
+```