fix: conditional client build

server/internal/handlers/client.go

@@ -1,19 +0,0 @@
-package handlers
-
-import (
-	"embed"
-	"io/fs"
-	"log"
-	"net/http"
-
-	"github.com/spotdemo4/trevstack/server/internal/interceptors"
-)
-
-func NewClientHandler(client embed.FS, key string) http.Handler {
-	clientFs, err := fs.Sub(client, "client")
-	if err != nil {
-		log.Fatalf("failed to get sub filesystem: %v", err)
-	}
-
-	return interceptors.WithAuthRedirect(http.FileServer(http.FS(clientFs)), key)
-}

server/internal/handlers/client/client.go

@@ -0,0 +1,17 @@
+package client
+
+import (
+	"net/http"
+
+	"github.com/spotdemo4/trevstack/server/internal/interceptors"
+)
+
+var embedfs *http.FileSystem
+
+func NewClientHandler(key string) http.Handler {
+	if embedfs != nil {
+		return interceptors.WithAuthRedirect(http.FileServer(*embedfs), key)
+	}
+
+	return http.NotFoundHandler()
+}

server/internal/handlers/client/client_prod.go

@@ -0,0 +1,16 @@
+// go:build !dev
+
+package client
+
+import (
+	"embed"
+	"net/http"
+)
+
+//go:embed client
+var eclient embed.FS
+
+func init() {
+	fs := http.FS(eclient)
+	embedfs = &fs
+}