add sample circleci config file

Author: perigee

circle.yml

@@ -0,0 +1,13 @@
+
+machine:
+  services:
+    - docker
+
+dependencies:
+  pre: 
+    - docker pull plotly/imageserver:0.2.0
+
+test:
+  override:
+    - docker run -d --name myimageserver -v $PWD:/var/www/streambed/image_server/plotly.js -p 9010 plotly/imageserver:0.2.0; sleep 10
+    - docker exec -i myimageserver /bin/bash -c "./var/www/streambed/image_server/plotly.js/tasks/test_images.sh"

docker_part_readme.md

@@ -15,14 +15,14 @@ Under your `plotly.js` folder, run
 
 ```bash
 $ docker run -d --name your_container_name \
-                      -v $PWD:/var/www/streambed/image_server/plotlyjs \
+                      -v $PWD:/var/www/streambed/image_server/plotly.js \
 		      -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"
+$ docker exec -i your_container_name /bin/bash -c "cd /var/www/streambed/image_server/plotly.js && npm run test-image"
 ``` 
 
 ### SSH into docker
@@ -56,3 +56,4 @@ $ ssh-keygen -f "/home/jh/.ssh/known_hosts" -R [localhost]:2022
 ```
 
 to remove host information.
+