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Docker Volumes and Storage

10. 04. 2022 1 min read intermediate

Kontejnery jsou efemérní. Volumes řeší persistenci dat.

Types

  • Volumes — spravované Dockerem, preferované
  • Bind mounts — hostový adresář, pro vývoj
  • tmpfs — v paměti

Volumes

docker volume create mydata docker run -d -v mydata:/var/lib/postgresql/data postgres:16

Docker Volumes and Storage

docker run –rm -v mydata:/src -v $(pwd):/bak alpine tar czf /bak/backup.tar.gz -C /src .

Compose

services: db: volumes: - pgdata:/var/lib/postgresql/data - ./init.sql:/docker-entrypoint-initdb.d/init.sql volumes: pgdata:

Volumes = persistentní data

Named volumes pro produkci, bind mounts pro vývoj. Zálohujte!

dockervolumesstorage
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CORE SYSTEMS team

We build core systems and AI agents that keep operations running. 15 years of experience with enterprise IT.