Container Registry on a Budget: Running Sonatype Nexus 3 in Production with Just 1GB RAM

Self-hosting a Docker registry typically requires expensive infrastructure, but this guide demonstrates how to run enterprise-grade Sonatype Nexus 3 reliably on just 1GB of RAM through aggressive JVM tuning. For small teams and personal projects, this approach eliminates vendor lock-in and rate limits while maintaining production-grade artifact storage. The detailed optimization techniques offer practical insights applicable to any resource-constrained Java application.