Guide 0130–45 minSet up a production Ubuntu serverHarden a fresh Ubuntu host with updates, a non-root operator, SSH keys, a firewall, automatic security updates, and basic intrusion protection.Guide 0235–50 minDeploy NestJS with PM2, Nginx, and SSLBuild a NestJS API, keep it alive with PM2, reverse proxy it through Nginx, and issue an HTTPS certificate.Guide 0330–45 minDeploy NestJS with Docker ComposePackage a NestJS service as a small production image and operate it with Docker Compose, health checks, logs, and controlled updates.Guide 0445–70 minDeploy NestJS on AWS EC2Prepare an EC2 host, restrict its security group, deploy NestJS, attach stable DNS, and verify the production boundary.Guide 0540–60 minSet up PostgreSQL and Redis securelyKeep both data services private, create least-privilege access, enable modern authentication, and verify backups and network exposure.