Docker Volumes

Volume Türleri

Named Volume

# Volume oluştur
docker volume create mydata

# Volume listele
docker volume ls

# Volume detayları
docker volume inspect mydata

# Volume kullan
docker run -d -v mydata:/var/lib/mysql mysql

# Volume sil
docker volume rm mydata

# Kullanılmayan volume'ları temizle
docker volume prune

Bind Mount

# Mutlak yol ile
docker run -v /home/user/app:/var/www/html nginx

# Göreceli yol (docker compose)
services:
  app:
    volumes:
      - ./src:/var/www/html

# Read-only
docker run -v /config:/etc/app:ro myapp

Compose'da Volume Tanımlama

version: '3.8'

services:
  mysql:
    image: mysql:8.0
    volumes:
      # Named volume
      - mysql_data:/var/lib/mysql
      # Bind mount
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql:ro
      # Anonymous volume
      - /var/lib/mysql/tmp

volumes:
  mysql_data:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /data/mysql

Volume Yedekleme

# Yedekleme
docker run --rm \
  -v mysql_data:/source:ro \
  -v $(pwd):/backup \
  alpine tar cvf /backup/mysql_backup.tar /source

# Geri yükleme
docker run --rm \
  -v mysql_data:/target \
  -v $(pwd):/backup \
  alpine sh -c "cd /target && tar xvf /backup/mysql_backup.tar --strip 1"

Volume Driver'lar

# NFS volume
docker volume create \
  --driver local \
  --opt type=nfs \
  --opt o=addr=192.168.1.100,rw \
  --opt device=:/shared \
  nfs_volume