diff --git a/README.md b/README.md
index 8e6ad9f..e96d291 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ To do this, simply add the ref name to the sub-directory.
 2. Run this command
 
    ```sh
-   deno run -A jsr:@5ouma/reproxy/serve
+   deno run -A jsr:@5ouma/reproxy
    ```
 
 <br />
@@ -58,8 +58,7 @@ To do this, simply add the ref name to the sub-directory.
 2. Replace the default code with this
 
    ```ts
-   import { app } from "jsr:@5ouma/reproxy";
-   Deno.serve(app.fetch);
+   import "jsr:@5ouma/reproxy";
    ```
 
 3. Set the environment variables
diff --git a/deno.json b/deno.json
index a928518..68ba1f5 100644
--- a/deno.json
+++ b/deno.json
@@ -1,7 +1,7 @@
 {
   "name": "@5ouma/reproxy",
   "version": "1.0.0",
-  "exports": { ".": "./src/app.ts", "./serve": "./src/server.ts" },
+  "exports": { ".": "./src/server.ts" },
   "publish": {
     "include": ["LICENSE", "README.md", "deno.json", "src/"],
     "exclude": ["**/*.test.ts", "src/libs/test_utils.ts"]
diff --git a/src/app.ts b/src/app.ts
deleted file mode 100644
index a5f913b..0000000
--- a/src/app.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-import { type Context, Hono } from "@hono/hono";
-export type { Hono };
-import { logger } from "@hono/hono/logger";
-import { STATUS_CODE } from "@std/http/status";
-import { UserAgent } from "@std/http/user-agent";
-
-import { checkRedirect, getContent } from "./libs/mod.ts";
-
-/**
- * The Hono application for this project.
- *
- * @example Access without a user agent
- * ```ts
- * const res: Response = await app.request("/");
- * ```
- * @example Access with a user agent
- * ```ts
- * const res: Response = await app.request("/", {
- *   headers: { "User-Agent": new UserAgent("Chrome/1.2.3").toString() },
- * });
- * ```
- */
-export const app: Hono = new Hono();
-app.use(logger());
-app
-  .get("/:ref?", async (ctx: Context) => {
-    const ref: string = ctx.req.param("ref");
-    const url: URL | null = checkRedirect(
-      new UserAgent(ctx.req.header("User-Agent") ?? ""),
-      ref,
-    );
-
-    return url
-      ? ctx.redirect(url.toString(), STATUS_CODE.PermanentRedirect)
-      : ctx.text(...await getContent(ref));
-  })
-  .get("*", (ctx: Context) => {
-    return ctx.redirect("/", STATUS_CODE.SeeOther);
-  });
diff --git a/src/app.test.ts b/src/server.test.ts
similarity index 97%
rename from src/app.test.ts
rename to src/server.test.ts
index 2fd146c..9340a1e 100644
--- a/src/app.test.ts
+++ b/src/server.test.ts
@@ -1,7 +1,7 @@
 import { assertEquals } from "@std/assert";
 import { STATUS_CODE } from "@std/http/status";
 
-import { app } from "./app.ts";
+import { app } from "./server.ts";
 import {
   exportRepo,
   testRef,
diff --git a/src/server.ts b/src/server.ts
index add4720..2b16058 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1,8 +1,41 @@
+import { type Context, Hono } from "@hono/hono";
+export type { Hono };
+import { logger } from "@hono/hono/logger";
+import { STATUS_CODE } from "@std/http/status";
+import { UserAgent } from "@std/http/user-agent";
+
+import { checkRedirect, getContent } from "./libs/mod.ts";
+
 /**
- * This file is the entry point for the server.
- * @module
+ * The Hono application for this project.
+ *
+ * @example Access without a user agent
+ * ```ts
+ * const res: Response = await app.request("/");
+ * ```
+ * @example Access with a user agent
+ * ```ts
+ * const res: Response = await app.request("/", {
+ *   headers: { "User-Agent": new UserAgent("Chrome/1.2.3").toString() },
+ * });
+ * ```
  */
+export const app: Hono = new Hono();
+app.use(logger());
+app
+  .get("/:ref?", async (ctx: Context) => {
+    const ref: string = ctx.req.param("ref");
+    const url: URL | null = checkRedirect(
+      new UserAgent(ctx.req.header("User-Agent") ?? ""),
+      ref,
+    );
 
-import { app } from "./app.ts";
+    return url
+      ? ctx.redirect(url.toString(), STATUS_CODE.PermanentRedirect)
+      : ctx.text(...await getContent(ref));
+  })
+  .get("*", (ctx: Context) => {
+    return ctx.redirect("/", STATUS_CODE.SeeOther);
+  });
 
 Deno.serve(app.fetch);