Harbor perview server user guide

User guide on how to use harbor preview server.

README.md

@@ -38,6 +38,8 @@ Refer to **[User Guide](docs/user_guide.md)** for more details on how to use Har
 **Developer Group:** Join Harbor developer group: [harbor-dev@googlegroups.com](https://groups.google.com/forum/#!forum/harbor-dev) for discussion on Harbor development and contribution. To subscribe, send an email to [harbor-dev+subscribe@googlegroups.com](mailto:harbor-dev+subscribe@googlegroups.com).  
 **Slack:** Join Harbor's community for discussion and ask questions: [VMware {code}](https://code.vmware.com/join/), channel: [#harbor](https://vmwarecode.slack.com/messages/harbor).
 
+**Preview Server** Harbor provide a preview server with latest Harbor stable build installed. If you want to have a try please refer to **[Preview Server](docs/preview_server.md)** for more details.
+
 More info on [partners and users](partners.md).
 
 ### Contribution

docs/ca.crt

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF2TCCA8GgAwIBAgIJAKU7l6THvsA6MA0GCSqGSIb3DQEBCwUAMIGCMQswCQYD
+VQQGEwJVUzELMAkGA1UECAwCQ0ExETAPBgNVBAcMCFBBTE9BVVRPMQ8wDQYDVQQK
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+-----END CERTIFICATE-----

docs/preview_server.md

@@ -0,0 +1,22 @@
+**Important!** 
+ - Please note that this preview server is **ONLY** for your experience Harbor purpose. 
+ - Please **DO NOT** upload any sensitive images to this server. 
+ - We will **CLEAN AND RESET** the server every **TWO Days**.
+ - You can only experience the none-admin functionalities on this server. Please follow the **[Installation Guide](installation_guide.md)** to setup a Harbor server locally to try more advanced features.
+ - Please do not push large images(>100MB) as the server has limited storage.
+
+If you encounter any questions during use the preview server please contact us at harbor@ vmware.com
+
+**Usage**
+
+ - 1> The address of the preview server is [https://ec2-52-14-7-203.us-east-2.compute.amazonaws.com](https://ec2-52-14-7-203.us-east-2.compute.amazonaws.com)
+ - 2> You can registry a new user by yourself.
+ - 3> As this preview server use self-signed certificate, if you want to use docker client to talk with this server. You need to save the CA certificate to you local machine:
+     - Create a folder ```/etc/docker/certs.d/ec2-52-14-7-203.us-east-2.compute.amazonaws.com``` on you local host.  
+     - Save the [ca.crt](ca.crt) to ```/etc/docker/certs.d/ec2-52-14-7-203.us-east-2.compute.amazonaws.com/ca.crt``` to your local host.
+ 
+ - 4> Then you can use the account/password created in step 2 to login 
+ ```
+ docker login ec2-52-14-7-203.us-east-2.compute.amazonaws.com
+ ```
+You can refer to [User Guide](user_guide.md) for more details on how to use Harbor.