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# Create a named volume explicitly docker volume create pgdata # Use it in a container docker run -d \ --name postgres \ -e POSTGRES_PASSWORD=secret \ -v pgdata:/var/lib/postgresql/data \ postgres:16-alpine # List and inspect volumes docker volume ls docker volume inspect pgdata # Bind mount for development docker run -d \ --name app-dev \ -p 3000:3000 \ -v "$(pwd)/src:/app/src" \ -v "$(pwd)/config:/app/config:ro" \ -e NODE_ENV=development \ myapp:dev # tmpfs mount (ephemeral, in-memory) docker run -d \ --name api \ --tmpfs /tmp:size=64m,mode=1777 \ myapp:latest # Backup a named volume docker run --rm \ -v pgdata:/source:ro \ -v "$(pwd):/backup" \ alpine tar czf /backup/pgdata-$(date +%Y%m%d).tar.gz -C /source .
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