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🚀 Quick Reference - LuckyChit Production

📍 Server Info

Server IP: 192.168.8.148
Domain: chitfund.deepteklabs.com
User: luckychit
Project: /home/luckychit/apps/chitfund
Branch: prodnew

🎯 Most Common Tasks

1️⃣ Deploy Full Update (Backend + Frontend)

ssh luckychit@192.168.8.148
cd /home/luckychit/apps/chitfund
./deploy-full.sh

2️⃣ Deploy Backend Only

ssh luckychit@192.168.8.148
cd /home/luckychit/apps/chitfund
./deploy-backend-only.sh

3️⃣ Deploy Frontend Only

ssh luckychit@192.168.8.148
cd /home/luckychit/apps/chitfund
./deploy-frontend-only.sh

3B️⃣ Deploy Frontend with Force Cache Clear

ssh luckychit@192.168.8.148
cd /home/luckychit/apps/chitfund
./force-cache-bust.sh

4️⃣ Check Status

pm2 status

5️⃣ View Logs

pm2 logs                              # All logs (live)
pm2 logs luckychit-api --lines 50     # Backend last 50 lines
pm2 logs luckychit-frontend --lines 50 # Frontend last 50 lines

6️⃣ Restart Services

pm2 restart luckychit-api            # Backend
pm2 restart luckychit-frontend       # Frontend
pm2 restart all                      # Everything

7️⃣ Test Health

curl http://localhost:3000/health      # Backend
curl http://localhost:8080             # Frontend

🔧 Manual Deployment (When Scripts Fail)

Backend:

cd /home/luckychit/apps/chitfund
git pull origin prodnew
cd backend
npm install
pm2 restart luckychit-api
pm2 logs luckychit-api --lines 20

Frontend:

cd /home/luckychit/apps/chitfund
git pull origin prodnew
cd luckychit
flutter pub get
flutter build web --release
pm2 restart luckychit-frontend
pm2 logs luckychit-frontend --lines 20

⚠️ Common Issues & Quick Fixes

Frontend Not Showing Latest Changes (Cache Issue)

# On server
cd /home/luckychit/apps/chitfund
./force-cache-bust.sh

# In browser - Hard Refresh
# Windows: Ctrl + Shift + R
# Mac: Cmd + Shift + R

"invalid ELF header" Error

cd /home/luckychit/apps/chitfund/backend
rm -rf node_modules package-lock.json
npm install
pm2 restart luckychit-api

Frontend Not Updating

cd /home/luckychit/apps/chitfund/luckychit
flutter clean
rm -rf .dart_tool build
flutter pub get
flutter build web --release
pm2 restart luckychit-frontend

Git Pull Conflicts

git stash
git pull origin prodnew

PM2 Process Not Running

pm2 status
pm2 restart all
# If still not working:
pm2 logs --lines 100

🎮 PM2 Command Cheat Sheet

Command	Description
`pm2 status`	Show all processes
`pm2 logs`	View all logs (live)
`pm2 logs luckychit-api`	View backend logs
`pm2 logs --lines 100`	Last 100 lines
`pm2 monit`	Real-time monitoring
`pm2 restart all`	Restart everything
`pm2 restart luckychit-api`	Restart backend
`pm2 reload luckychit-api`	Zero-downtime restart
`pm2 stop all`	Stop everything
`pm2 flush`	Clear all logs
`pm2 save`	Save current process list
`pm2 startup`	Setup auto-start on reboot

📊 Current PM2 Setup

# Backend (Node.js API)
pm2 start src/server.js --name luckychit-api
# Running on: http://192.168.8.148:3000

# Frontend (Flutter Web)
pm2 serve /home/luckychit/apps/chitfund/luckychit/build/web 8080 --name luckychit-frontend --spa
# Running on: http://192.168.8.148:8080

# Auto-start configured
pm2 startup systemd -u luckychit --hp /home/luckychit
pm2 save

🔄 Upgrade to Better Setup (Optional)

Use ecosystem.config.js (Recommended)

Benefits: Cluster mode, memory limits, auto-restart, scheduled restarts

cd /home/luckychit/apps/chitfund/backend

# Stop current process
pm2 delete luckychit-api

# Start with ecosystem config
pm2 start ecosystem.config.js --env production

# Save new setup
pm2 save

📞 Emergency Commands

Restart Everything From Scratch

pm2 kill
cd /home/luckychit/apps/chitfund/backend
pm2 start src/server.js --name luckychit-api
cd ../luckychit
pm2 serve build/web 8080 --name luckychit-frontend --spa
pm2 save

Check Server Resources

pm2 monit          # PM2 monitoring
df -h              # Disk space
free -h            # Memory
top                # CPU & processes

🐛 Debugging

Backend Issues

# Check logs
pm2 logs luckychit-api --lines 200

# Check environment
cd /home/luckychit/apps/chitfund/backend
cat .env | grep -v PASSWORD  # View env vars (hiding password)

# Test database connection
psql -U luckychit -h localhost -d luckychit

# Test manually (without PM2)
cd /home/luckychit/apps/chitfund/backend
npm start

Frontend Issues

# Check logs
pm2 logs luckychit-frontend --lines 100

# Check build directory
ls -la /home/luckychit/apps/chitfund/luckychit/build/web

# Rebuild from scratch
cd /home/luckychit/apps/chitfund/luckychit
flutter clean
flutter pub get
flutter build web --release
pm2 restart luckychit-frontend

Network Issues

# Check if ports are open
netstat -tulpn | grep -E '(3000|8080)'

# Check firewall
sudo ufw status

# Allow ports if needed
sudo ufw allow 3000/tcp
sudo ufw allow 8080/tcp
sudo ufw reload

# Test from local machine
curl http://localhost:3000/health
curl http://localhost:8080

# Test from network
curl http://192.168.8.148:3000/health
curl http://192.168.8.148:8080

📋 Pre-Flight Checklist

Before any deployment:

Changes tested locally
Committed to prodnew branch
Pushed to remote repo
SSH'd into server as luckychit user
Backed up database (if major changes)

After deployment:

pm2 status shows all green
No errors in pm2 logs
Backend /health endpoint responds
Frontend loads in browser
Test critical functionality (login, etc.)

🔗 Quick Links

Backend Health: http://192.168.8.148:3000/health
Frontend: http://192.168.8.148:8080
Domain: https://chitfund.deepteklabs.com
Documentation:
- ACTUAL_PRODUCTION_SETUP.md - Your real setup
- PM2_PRODUCTION_GUIDE.md - Recommended best practices
- PRODUCTION_DIFFERENCES.md - Comparison

📱 Contact for Emergencies

If PM2 is completely broken:

pm2 kill
pm2 save --force
cd /home/luckychit/apps/chitfund/backend
pm2 start src/server.js --name luckychit-api
cd ../luckychit
pm2 serve build/web 8080 --name luckychit-frontend --spa
pm2 save
pm2 status

Last Updated: November 5, 2025
Version: Based on your actual production history

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