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使用Nginx做代理的时候,可以简单的直接把请求原封不动的转发给下一个服务。
简单配置如下:
upstream one { server localhost:8088 weight=5; }server { listen 80; server_name abc.com; access_log "pipe:rollback /data/log/nginx/access.log interval=1d baknum=7 maxsize=1G" main; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://one; } }
即,设置 proxy_pass 即可。请求只会替换域名。但很多时候,我们需要根据url的前缀转发到不同的服务。设置proxy_pass请求只会替换域名,如果要根据不同的url后缀来访问不同的服务,则需要通过如下方法.
方法一:加"/"
server { listen 8000; server_name abc.com; access_log "pipe:rollback /data/log/nginx/access.log interval=1d baknum=7 maxsize=1G" main; location ^~/user/ { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://user/; } location ^~/order/ { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://order/; }}
^~/user/表示匹配前缀是user的请求,proxy_pass的结尾有/, 则会把/user/*后面的路径直接拼接到后面,即移除user。
方法二:rewrite
upstream user { server localhost:8089 weight=5;}upstream order { server localhost:8090 weight=5;}server { listen 80; server_name abc.com; access_log "pipe:rollback /data/log/nginx/access.log interval=1d baknum=7 maxsize=1G" main; location ^~/user/ { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; rewrite ^/user/(.*)$ /$1 break; proxy_pass http://user; } location ^~/order/ { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; rewrite ^/order/(.*)$ /$1 break; proxy_pass http://order; }}
proxy_pass结尾/, rewrite重写了url。
关于rewrite
syntax: rewrite regex replacement [flag]Default: —Context: server, location, if
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