Nginx how to realize grayscale release according to IP
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Nginx load balancer determines client IP address
If not, reverse proxy to the production environment.
Upstream prod {
Server 192.168.1.10
Server 192.168.1.11
}
Upstream pre-prod {
Server 192.168.1.100
}
Server {
Listen 80
Access_log / var/log/nginx/access.log main
Set $web_backend prod
If ($remote_addr ~ "123.123.123.123") {
Set $web_backend pre-prod
}
Location / {
Proxy_pass http://$web_backend;
Include proxy.conf
}
}
Note: the set command depends on the rewrite module.
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