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support binding to ip. Default to loppback #30

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support binding to ip. Default to loppback #30

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6 changes: 4 additions & 2 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,15 @@ import (
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/defaults"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/aws/signer/v4"
v4 "github.com/aws/aws-sdk-go/aws/signer/v4"
"github.com/kelseyhightower/envconfig"
)

type EnvConfig struct {
Target string
Port int `default:"8080"`
Service string `default:"es"`
Listen string `default:"127.0.0.1"`
}

type AppConfig struct {
Expand Down Expand Up @@ -143,6 +144,7 @@ func main() {

var targetFlag = flag.String("target", e.Target, "target url to proxy to")
var portFlag = flag.Int("port", e.Port, "listening port for proxy")
var listenFlag = flag.String("listen", e.Listen, "listen to this address. Set empty string for all")
var serviceFlag = flag.String("service", e.Service, "AWS Service.")
var regionFlag = flag.String("region", os.Getenv("AWS_REGION"), "AWS region for credentials")
var flushInterval = flag.Duration("flush-interval", 0, "Flush interval to flush to the client while copying the response body.")
Expand Down Expand Up @@ -186,7 +188,7 @@ func main() {

// Start the proxy server
proxy := NewSigningProxy(targetURL, creds, region, appC)
listenString := fmt.Sprintf(":%v", *portFlag)
listenString := fmt.Sprintf("%s:%d", *listenFlag, *portFlag)
fmt.Printf("Listening on %v\n", listenString)
http.ListenAndServe(listenString, proxy)
}