nginx reverse proxy cofinguration

based on our case, we need to handle two different url request:
    example/0.5/xxx ==> 192.168.1.100:8080/xxx
    example/0.7/xxx ==> 192.168.1.101:8080/xxx
Here is the configuration:

引用

root@p1:/etc/nginx/conf.d# cat /etc/nginx/conf.d/default.conf
## Basic reverse proxy server ##
## Apache (vm02) backend for www.example.com ##
upstream developserver  {
      server 192.168.1.100:8080; #Develop Server
}

## Lighttpd (vm01) backend for static.example.com ##
upstream productionserver  {
      server 192.168.1.100:8080; #Production Server
}

## Start www.example.com ##
server {
    listen       10.0.3.138:80; # ip address of proxy server
    server_name  www.example.com;

    access_log  /var/log/nginx/www.example.access.log main;
    error_log  /var/log/nginx/www.example.error.log;
    root   /usr/share/nginx/html;
    index  index.html index.htm;

    ## send request back to apache1 ##
    location /0.5 {
     rewrite /0\.5/(.*) /$1 break;
     proxy_pass  http://developserver;
     proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
     proxy_redirect off;
     proxy_buffering off;
     proxy_set_header        Host            $host;
     proxy_set_header        X-Real-IP       $remote_addr;
     proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
   }
   location /0.7 {
        proxy_pass  http://productionserver;
        rewrite /0\.7/(.*) /$1 break;
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
        proxy_redirect off;
        proxy_buffering off;
        proxy_set_header        Host            static.example.com;
        proxy_set_header        X-Real-IP       $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

引用

root@p1:/etc/nginx/conf.d# diff -u  /etc/nginx/nginx.conf.bkp /etc/nginx/nginx.conf
--- /etc/nginx/nginx.conf.bkp 2015-08-28 14:09:19.744354204 +0800
+++ /etc/nginx/nginx.conf 2015-08-28 14:55:35.264441341 +0800
@@ -22,7 +22,9 @@

# server_names_hash_bucket_size 64;
# server_name_in_redirect off;
-
+ log_format main '$remote_addr - $remote_user [$time_local] $request '
+ '"$status" $body_bytes_sent "$http_referer" '
+ '"$http_user_agent" "$http_x_forwarded_for" "$gzip_ratio"';
include /etc/nginx/mime.types;
default_type application/octet-stream;