Practical AWS EC2 Deployment Guide Tackles SSH, Docker, HTTPS, and Memory Issues

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A developer has published a hands-on Q&A reference guide drawn from real-world experience deploying two Node.js and Docker applications on AWS EC2. The guide addresses common SSH connection problems, including permission errors when using WSL on Windows and how to resolve them by moving key files to the native Linux filesystem. It also covers obtaining free HTTPS certificates without a custom domain using sslip.io with Certbot, and explains how to migrate to a real domain later. Docker-related issues such as disk space exhaustion and out-of-memory build failures are addressed, with fixes including disk resizing, swap space configuration, and Node.js heap size tuning. The resource is aimed at developers encountering practical deployment hurdles on EC2 instances rather than following a clean, step-by-step tutorial.

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