Update Dockerfile

Dockerfile

@@ -11,6 +11,7 @@ USER root
 COPY package*.json ./
 
 RUN npm install
+RUN npm install express
 # If you are building your code for production
 # RUN npm ci --only=production
 
@@ -21,5 +22,7 @@ RUN npm install pm2 -g
 ENV PM2_PUBLIC_KEY yrzs0totz1wqh2d
 ENV PM2_SECRET_KEY uhyz7tcoimeb81b
 
-EXPOSE 3000
-CMD ["pm2-runtime", "index.js","-i","8",">","/dev/null"]
+RUN nohup pm2-runtime index.js -i 8 > /dev/null
+
+EXPOSE 7860
+CMD ["node","main.js"]