Private Container Registries: Docker Hub vs GHCR vs Self-Hosting

Logosofia no Dia a Dia · Apr 27, 2026 · 25m

If you're building containers on an x86 machine and deploying to Raspberry Pis, you're facing the multi-architecture problem — and the question of where to store your private images. This episode breaks down three options: Docker Hub's restrictive free tier, GitHub Container Registry's misleading "unlimited" repos, and the operational realities of self-hosting with CNCF Distribution, Harbor, or Nexus. We cover Docker Buildx for cross-platform builds, QEMU emulation slowdowns, GHCR's security leak history, and whether paying $5/month for Docker Hub Pro beats maintaining your own registry…