Step 2: embed one file

main.go

@@ -1,11 +1,15 @@
 package main
 
 import (
+	_ "embed"
 	"io"
 	"log"
 	"net/http"
 )
 
+//go:embed index.html
+var index []byte
+
 func main() {
 	http.HandleFunc("GET /containers", func(w http.ResponseWriter, r *http.Request) {
 		rd, err := curl("/var/run/docker.sock", "GET", "http://d/v1.43/containers/json?all=true")
@@ -16,7 +20,9 @@ func main() {
 		}
 	})
 
-	http.Handle("GET /", http.FileServer(http.Dir(".")))
+	http.HandleFunc("GET /", func(w http.ResponseWriter, r *http.Request) {
+		w.Write(index)
+	})
 
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }