start.sh

#!/bin/bash

# Start MongoDB as mongodb user
gosu mongodb mongod --replSet rs0 --bind_ip_all --dbpath /data/db &

# Wait for MongoDB to start
sleep 10

# Initialize replica set
gosu mongodb mongosh --eval "rs.initiate({_id: 'rs0', members: [{_id: 0, host: 'localhost:27017'}]})"

# Start Rocket.Chat
cd /app/bundle
exec gosu rocketchat node main.js