What EC2 instance type should I use for Node.js?
For development, use t2.micro (free tier, 1 CPU, 1 GB RAM). For small production, use t3.small (2 CPU, 2 GB RAM, ~$17/mo). For medium production, use t3.medium (2 CPU, 4 GB RAM, ~$33/mo). Scale up as traffic grows.
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More FAQs in What Is AWS EC2 and Why Use It for Node.js Deployment?
Amazon EC2 (Elastic Compute Cloud) is a web service that provides resizable virtual servers in the cloud. Each instance has CPU, RAM, storage, network, and an OS (usually Linux). You get full control to install and configure software.
EC2 gives full control over the server (install Node.js, Nginx, PM2), scalability (upgrade instance type or add load balancers), cost-effectiveness (free tier includes 750 hours of t2.micro), global deployment, and integration with other AWS services.
Port 22 (SSH, restrict to your IP), port 80 (HTTP, anywhere), port 443 (HTTPS, anywhere). Optionally port 3000 (Node.js, restrict to your IP for debugging). Never expose port 3000 to the public in production use Nginx as a reverse proxy.
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