fasthttp/examples/fileserver/fileserver.go

// Example static file server. Serves static files from the given directory.
package main

import (
	"flag"
	"log"

	"github.com/valyala/fasthttp"
)

var (
	addr               = flag.String("addr", ":8080", "TCP address to listen to")
	addrTLS            = flag.String("addrTLS", "", "TCP address to listen to TLS (aka SSL or HTTPS) requests. Leave empty for disabling TLS")
	byteRange          = flag.Bool("byteRange", false, "Enables byte range requests if set to true")
	certFile           = flag.String("certFile", "./ssl-cert-snakeoil.pem", "Path to TLS certificate file")
	compress           = flag.Bool("compress", false, "Enables transparent response compression if set to true")
	dir                = flag.String("dir", "/usr/share/nginx/html", "Directory to serve static files from")
	generateIndexPages = flag.Bool("generateIndexPages", true, "Whether to generate directory index pages")
	keyFile            = flag.String("keyFile", "./ssl-cert-snakeoil.key", "Path to TLS key file")
)

func main() {
	flag.Parse()

	fs := &fasthttp.FS{
		Root:               *dir,
		IndexNames:         []string{"index.html"},
		GenerateIndexPages: *generateIndexPages,
		Compress:           *compress,
		AcceptByteRange:    *byteRange,
	}
	h := fs.NewRequestHandler()

	// Start HTTP server.
	if len(*addr) > 0 {
		go func() {
			if err := fasthttp.ListenAndServe(*addr, h); err != nil {
				log.Fatalf("error in ListenAndServe: %s", err)
			}
		}()
	}

	// Start HTTPS server.
	if len(*addrTLS) > 0 {
		go func() {
			if err := fasthttp.ListenAndServeTLS(*addrTLS, *certFile, *keyFile, h); err != nil {
				log.Fatalf("error in ListenAndServeTLS: %s", err)
			}
		}()
	}

	// Wait forever.
	select {}
}