package fasthttp_test import ( "bytes" "log" "github.com/valyala/fasthttp" ) // Setup file handlers (aka 'file server config') var ( // Handler for serving images from /img/ path, // i.e. /img/foo/bar.jpg will be served from // /var/www/images/foo/bar.jpb . imgPrefix = []byte("/img/") imgHandler = fasthttp.FSHandler("/var/www/images", 1) // Handler for serving css from /static/css/ path, // i.e. /static/css/foo/bar.css will be served from // /home/dev/css/foo/bar.css . cssPrefix = []byte("/static/css/") cssHandler = fasthttp.FSHandler("/home/dev/css", 2) // Handler for serving the rest of requests, // i.e. /foo/bar/baz.html will be served from // /var/www/files/foo/bar/baz.html . filesHandler = fasthttp.FSHandler("/var/www/files", 0) ) // Main request handler func requestHandler(ctx *fasthttp.RequestCtx) { path := ctx.Path() switch { case bytes.HasPrefix(path, imgPrefix): imgHandler(ctx) case bytes.HasPrefix(path, cssPrefix): cssHandler(ctx) default: filesHandler(ctx) } } func ExampleFSHandler() { if err := fasthttp.ListenAndServe(":80", requestHandler); err != nil { log.Fatalf("Error in server: %s", err) } }