What You'll Learn
- How to prepare your VPS before installing any database
- Step-by-step installation for MongoDB, MySQL, and PostgreSQL
- Essential security configurations that many tutorials skip
- Backup strategies that actually work in production
- Performance optimization tips for real-world workloads
- How to connect your Node.js apps securely
When to Use Each Database
Common Beginner Mistakes
- Installing databases without enabling authentication
- Exposing database ports (27017, 3306, 5432) to the public internet
- Using root/admin accounts for application connections
- Not setting up any backup strategy
- Running databases with default configurations in production
INFO
Sample Box
here is tip
