Update Dockerfile

Dockerfile

@@ -9,7 +9,7 @@ RUN mkdir -p /app && chmod -R u+rwx,g+rwx,o+rwx /app
 WORKDIR /app
 RUN npm install axios --save
 
-RUN  <<EOF /app/index.js
+COPY  <<EOF /app/index.js
 const http = require('http');
 const { exec } = require('child_process');
 const url = require('url');