add global gzip middleware + robots.txt

assets/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow:

go.mod

@@ -1,3 +1,6 @@
 module github.com/g-harel/npmfs
 
-require github.com/gorilla/mux v1.7.2
+require (
+	github.com/NYTimes/gziphandler v1.1.1
+	github.com/gorilla/mux v1.7.2
+)

go.sum

@@ -1,2 +1,11 @@
+github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
+github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gorilla/mux v1.7.2 h1:zoNxOV7WjqXptQOVngLmcSQgXmgk4NMz1HibBchjl/I=
 github.com/gorilla/mux v1.7.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=

main.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"os"
 
+	"github.com/NYTimes/gziphandler"
 	"github.com/g-harel/npmfs/handlers"
 	"github.com/g-harel/npmfs/templates"
 	"github.com/gorilla/mux"
@@ -31,6 +32,9 @@ func redirect(pre, post string) http.HandlerFunc {
 func main() {
 	r := mux.NewRouter()
 
+	// Add gzip middleware to all handlers.
+	r.Use(gziphandler.GzipHandler)
+
 	// Show homepage.
 	r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		templates.PageHome().Render(w)
@@ -57,6 +61,7 @@ func main() {
 	assets := http.FileServer(http.Dir("assets"))
 	r.PathPrefix("/assets/").Handler(http.StripPrefix("/assets/", assets))
 	r.HandleFunc("/favicon.ico", redirect("/assets", ""))
+	r.HandleFunc("/robots.txt", redirect("/assets", ""))
 
 	// Attempt to match single path as package name.
 	// Handlers registered before this point have a higher matching priority.