Complete guide to deploying Valkey 9.1 with Docker Compose — the high-performance Redis fork with new security, observability, and performance features. Covers config, ACL hardening, and connecting your homelab services.
Docker Hub rate-limits anonymous pulls to 100 per 6 hours (200 for authenticated users). In a homelab with frequent rebuilds, multiple hosts, or CI-style workflows, you’ll hit that limit fast. Even if you don’t, pulling the same nginx:alpine image ten times across ten containers wastes bandwidth and time. A local Docker registry mirror fixes both: it acts as a pull-through cache. First pull is from Docker Hub (or any upstream). Every subsequent pull from any host in your lab hits the local cache instead. ...