fix

build.sbt

@@ -119,6 +119,7 @@ lazy val aggregatedProjects: Seq[ProjectReference] =
       zioHttpBenchmarks,
       zioHttpCli,
       zioHttpExample,
+      zioHttpReactExample,
       zioHttpTestkit,
       docs,
     )
@@ -237,6 +238,12 @@ lazy val zioHttpExample = (project in file("zio-http-example"))
   .settings(libraryDependencies ++= Seq(`jwt-core`))
   .dependsOn(zioHttp, zioHttpCli)
 
+lazy val zioHttpReactExample = (project in file("zio-http-react-example"))
+  .settings(stdSettings("zio-http-react-example"))
+  .settings(publishSetting(false))
+  .settings(libraryDependencies ++= Seq("dev.zio" %% "zio-http" % ZioVersion))
+  .dependsOn(zioHttp, zioHttpCli)
+
 lazy val zioHttpTestkit = (project in file("zio-http-testkit"))
   .enablePlugins(Shading.plugins(): _*)
   .settings(stdSettings("zio-http-testkit"))

docs/examples/advanced/fullstack-with-react-apps.md

@@ -12,22 +12,31 @@ import zio.stream.ZStream
 import java.io.File
 import java.nio.file.Paths
 
-object HelloWorld extends ZIOAppDefault {
+object ReactHelloWorld extends ZIOAppDefault {
     // Create the build relative directory path
-    private val buildDirectory = "../../react/build"
-
-    // Create HTTP route
-    val app = Routes(
-        Method.GET -> Root / "api" / "hello" => Handler.text("Hello World!").toHttp,
-
-        // Uses netty's capability to write file content to the Channel
-        // Content-type response headers are automatically identified and added
-        // Adds content-length header and does not use Chunked transfer encoding
-        Method.GET -> Root => Handler.fromFile(new File(s"$buildDirectory/index.html")),
-        Method.GET -> "" /: file => Handler.fromFile(new File(s"$buildDirectory/$file")),
-    ).sandbox.toHttpApp
+    private val buildDirectory = "src/main/scala/react_example/react/build"
 
+    val app: HttpApp[Any] = Routes.singleton {
+        handler { (_: Path, req: Request) => {
+            if (req.url.path.toString == "/api/hello") {
+                Response.text("Hello World")
+            }
+            if (req.url.path.toString == "/") {
+                val file = new File(s"$buildDirectory/index.html")
+                val length = Headers(Header.ContentLength(file.length()))
+                Response(headers = length, body = Body.fromFile(file))
+            }
+            else {
+                val tmp = req.url.path.toString
+                val file = new File(s"$buildDirectory/$tmp")
+                val length = Headers(Header.ContentLength(file.length()))
+                Response(headers = length, body = Body.fromFile(file))
+            }
+          }
+        }
+      }.toHttpApp
+
     // Run it like any simple app
-    override val run = Server.serve(app.withDefaultErrorResponse).provide(Server.default)
+    val run = Server.serve(app).provide(Server.default) 
 }
 ```

zio-http-react-example/src/main/scala/react_example/ReactHelloWorld.scala

@@ -0,0 +1,36 @@
+package react_example
+
+import zio._
+import zio.http._
+import zio.stream.ZStream
+
+import java.io.File
+import java.nio.file.Paths
+
+object ReactHelloWorld extends ZIOAppDefault {
+    // Create the build relative directory path
+    private val buildDirectory = "src/main/scala/react_example/react/build"
+
+    val app: HttpApp[Any] = Routes.singleton {
+        handler { (_: Path, req: Request) => {
+            if (req.url.path.toString == "/api/hello") {
+                Response.text("Hello World")
+            }
+            if (req.url.path.toString == "/") {
+                val file = new File(s"$buildDirectory/index.html")
+                val length = Headers(Header.ContentLength(file.length()))
+                Response(headers = length, body = Body.fromFile(file))
+            }
+            else {
+                val tmp = req.url.path.toString
+                val file = new File(s"$buildDirectory/$tmp")
+                val length = Headers(Header.ContentLength(file.length()))
+                Response(headers = length, body = Body.fromFile(file))
+            }
+          }
+        }
+      }.toHttpApp
+
+    // Run it like any simple app
+    val run = Server.serve(app).provide(Server.default) 
+}