A reverse proxy server is an intermediate connection point positioned at a network’s edge. It receives initial HTTP connection requests, acting like the actual endpoint.
Image credit: What is Reverse Proxy
$ go get -u github.com/ahmdrz/rp
Running reverse proxy without balancer:
$ rp --config rpconfig.yaml --verbose serve
Example of configuration file
listenaddr: 0.0.0.0:8080
# you can change domain name servers using
dnslist: ["8.8.8.8", "4.2.2.4"]
targets:
- address: http://api.server1.com
weight: 3
- address: http://api.server2.com
weight: 2Generate default configuration file
$ rp --config rpconfig.yaml generate
package main
import (
"log"
"net/url"
rp "github.com/ahmdrz/rp/reverse-proxy"
)
func newURL(addr string) *url.URL {
u, err := url.Parse(addr)
if err != nil {
log.Fatal(err)
}
return u
}
func main() {
proxy := rp.New()
proxy.Log(true)
// Add will append a new endpoint to rp
// Round-Robin only works if you add more than 1 endpoint
// weights must be positive and greater than 0
proxy.Add(newURL("https://api.server1.com"), 1)
// You can also change DNS if you want using
proxy.ChangeDNS("8.8.8.8"...)
proxy.ListenAndServe("0.0.0.0:8080")
}FROM ahmdrz/rp:latest
COPY rpconfig.yaml .
EXPOSE 8080
CMD ["rp", "--verbose", "serve"]- Better CLI Application
- Failover Solution
- Health Check
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