diff --git a/Dockerfile b/Dockerfile
index 952edce..9818d7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-FROM node:21-alpine
+FROM docker.m.daocloud.io/library/node:21-alpine
 RUN apk add --no-cache bash
 WORKDIR /app
 COPY package*.json ./
 RUN npm config set registry https://registry.npmmirror.com/
 RUN npm install
 COPY . .
-EXPOSE 3001
+EXPOSE 3000
 CMD ["npm", "start"]
\ No newline at end of file
diff --git a/index.js b/index.js
deleted file mode 100644
index 04bf26e..0000000
--- a/index.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log('Happy developing ✨')
diff --git a/package.json b/package.json
index f735629..a03ce72 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,6 @@
   "name": "Dialectic_Frontend",
   "version": "1.0.0",
   "description": "",
-  "main": "index.js",
   "dependencies": {
     "react": "^18.2.0",
     "react-dom": "^18.2.0",