Merge pull request #111 from xiahaoshawn/master

Document Harbor nginx configuration of  extra proxy layer

Deploy/config/nginx/nginx.conf

@@ -33,7 +33,10 @@ http {
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+      
       proxy_buffering off;
       proxy_request_buffering off;
     }
@@ -47,7 +50,10 @@ http {
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+      
       proxy_buffering off;
       proxy_request_buffering off;
 
@@ -58,7 +64,10 @@ http {
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+      
       proxy_buffering off;
       proxy_request_buffering off;
     }

Deploy/config/nginx/nginx.https.conf

@@ -47,7 +47,10 @@ http {
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+
       proxy_buffering off;
       proxy_request_buffering off;
     }
@@ -61,7 +64,10 @@ http {
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+
       proxy_buffering off;
       proxy_request_buffering off;
 
@@ -72,7 +78,10 @@ http {
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      
+      # When setting up Harbor behind other proxy, such as an Nginx instance, remove the below line if the proxy already has similar settings.
       proxy_set_header X-Forwarded-Proto $scheme;
+
       proxy_buffering off;
       proxy_request_buffering off;
     }

docs/configure_https.md

@@ -124,3 +124,4 @@ After setting up HTTPS for Harbor, you can verify it by the follow steps:
     cp yourdomain.com.crt /etc/pki/ca-trust/source/anchors/reg.yourdomain.com.crt
     update-ca-trust
     ```
+    

docs/installation_guide.md

@@ -204,4 +204,10 @@ $ rm -r /data/registry
 [Docker Compose command-line reference](https://docs.docker.com/compose/reference/) describes the usage information for the docker-compose subcommands.
 
 ### Persistent data and log files
-By default, the data of database and image files in the registry are persisted in the directory **/data/** of the target machine. When Harbor's containers are removed and recreated, the data  remain unchanged. Harbor leverages rsyslog to collect the logs of each container, by default the log files are stored in the directory **/var/log/harbor/** on Harbor's host.
+By default, the data of database and image files in the registry are persisted in the directory **/data/** of the target machine. When Harbor's containers are removed and recreated, the data  remain unchanged. Harbor leverages rsyslog to collect the logs of each container, by default the log files are stored in the directory **/var/log/harbor/** on Harbor's host.  
+
+##Troubleshooting
+1.When setting up Harbor behind another nginx proxy or elastic load balancing, remove the below line if the proxy already has similar settings. Be sure to remove the line under these 3 sections: "location /", "location /v2/" and "location /service/".
+```
+proxy_set_header X-Forwarded-Proto $scheme;
+```