added static files server

.gitignore

@@ -0,0 +1 @@
+/internal/static

internal/debug.go

@@ -0,0 +1,9 @@
+//go:build !prod
+// +build !prod
+
+package s3browser
+
+// Since we dont have the static directory when developing we replace the function with an empty one
+func initStatic() {
+	// NOOP
+}

internal/httpServer.go

@@ -50,6 +50,9 @@ func initHttp(resolveContext context.Context, schema graphql.Schema) error {
 		}
 	})
 
+	// Init the embedded static files
+	initStatic()
+
 	return http.ListenAndServe(":8080", nil)
 }
 

internal/staticFiles.go

@@ -0,0 +1,32 @@
+//go:build prod
+// +build prod
+
+package s3browser
+
+import (
+	"embed"
+	"io/fs"
+	"net/http"
+	"os"
+)
+
+// content holds our static web server content.
+//go:embed static
+var staticFiles embed.FS
+
+type spaFileSystem struct {
+	root http.FileSystem
+}
+
+func (spa *spaFileSystem) Open(name string) (http.File, error) {
+	f, err := spa.root.Open(name)
+	if os.IsNotExist(err) {
+		return spa.root.Open("index.html")
+	}
+	return f, err
+}
+
+func initStatic() {
+	staticFS, _ := fs.Sub(staticFiles, "static")
+	http.Handle("/", http.FileServer(&spaFileSystem{http.FS(staticFS)}))
+}