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main
examples/deployment/deployment.go
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yuexiao-wang
add func to instead of lengthiness parameters
13 авг 2016, 04:33
13 авг 2016, 04:33
2a42d91
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package main import ( "fmt" "log" "net/http" "os" ) var ( version string subtitle string color string ) const htmlContent = `<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Deployment Demonstration</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> HTML{height:100%%;} BODY{font-family:Helvetica,Arial;display:flex;display:-webkit-flex;align-items:center;justify-content:center;-webkit-align-items:center;-webkit-box-align:center;-webkit-justify-content:center;height:100%%;} .box{background:%[3]s;color:white;text-align:center;border-radius:10px;display:inline-block;} H1{font-size:10em;line-height:1.5em;margin:0 0.5em;} H2{margin-top:0;} </style> </head> <body> <div class="box"><h1>%[1]s</h1><h2>%[2]s</h2></div> </body> </html>` func deploymentHandler(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, htmlContent, version, subtitle, color) } func healthHandler(w http.ResponseWriter, r *http.Request) { fmt.Fprintln(w, "ok") } func main() { version = "v1" if len(os.Args) > 1 { version = os.Args[1] } subtitle = os.Getenv("SUBTITLE") color = os.Getenv("COLOR") if len(color) == 0 { color = "#303030" } http.HandleFunc("/", deploymentHandler) http.HandleFunc("/_healthz", healthHandler) log.Printf("Listening on :8080 at %s ...", version) log.Fatal(http.ListenAndServe(":8080", nil)) }