diff --git a/.gitignore b/.gitignore
index a14702c..491feb3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,3 +32,5 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
 
 # Finder (MacOS) folder config
 .DS_Store
+
+build/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..b6eeae9
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,4 @@
+FROM debian
+COPY ./release /app
+EXPOSE 8080
+CMD ["/app"]
diff --git a/src/index.ts b/src/index.ts
index e31d500..3c13316 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,13 +4,11 @@ import { validator } from "hono/validator";
 import { postUser } from "./service/postUser";
 import { isEmpty } from "./utils/is_empty";
 import { getUser } from "./service/getUser";
-import { cors } from "hono/cors";
 import { bodyLimit } from "hono/body-limit";
 import { getRandom } from "./service/getRandom";
 
 const tmpApp: Hono = new Hono()
 export const app = tmpApp.basePath("/test/")
-app.use("/test/*", cors())
 
 // routers
 app.get("/user", (c) => {
diff --git a/src/utils/random.ts b/src/utils/random.ts
index c816dab..ead5c12 100644
--- a/src/utils/random.ts
+++ b/src/utils/random.ts
@@ -1,7 +1,3 @@
-import type { Context, ContextVariableMap } from "hono"
-import { updateExpressionWithTypeArguments } from "typescript/unstable/ast/factory"
-import { ApiResponse } from "../modules/api_response"
-
 enum Type {
     lcLetter = "lcLetter",
     ucLetter = "ucLetter",