feat(index): embed index at build time

.gitignore

@@ -1,2 +1,3 @@
-filehole
-data/
+/filehole.db
+/filehole
+/data/

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+    _ "embed"
 	"crypto/rand"
 	"io"
 	"net/http"
@@ -38,8 +39,8 @@ func UploadHandler(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		sanUrlLen = 24
 	}
-	if sanUrlLen < 5 || sanUrlLen > 169 {
-		w.Write([]byte("url_len needs to be between 5 and 169\n"))
+	if sanUrlLen < 5 || sanUrlLen > 236 {
+		w.Write([]byte("url_len needs to be between 5 and 236\n"))
 		return
 	}
 
@@ -123,6 +124,10 @@ func ExpiryDoer() {
 	}
 }
 
+
+//go:embed index.html
+var indexPage []byte
+
 func main() {
 	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
 
@@ -156,10 +161,13 @@ func main() {
 	})
 
 	r := mux.NewRouter()
-	r.HandleFunc("/", UploadHandler).Methods("POST")
+
 	r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		http.ServeFile(w, r, "index.html")
+		w.Write(indexPage)
 	}).Methods("GET")
+
+	r.HandleFunc("/", UploadHandler).Methods("POST")
+
 	http.Handle("/", r)
 
 	go ExpiryDoer()