Self-hosted app requirements

What each app officially needs, what people actually see in production, and the smallest VPS we'd put it on.

AppCategoryOfficial / documented figureChecked
Immich Photos & video Machine learning ON: 6 GB RAM / 2 cores minimum, 8 GB / 4 cores recommended
Machine learning OFF: Runs on 4 GB RAM
Oct 21, 2026
Nextcloud Files & collaboration 1 user (AIO, no extras): 2 GB works, 4 GB recommended
5 users: About 8 GB / 7 vCores if all five can be active at once (worst case)
Oct 21, 2026
n8n Automation Official Docker Compose stack (with Assistant sandbox): At least 4 GB RAM and 2 vCPUs
n8n core (n8n's own sizing example): Memory 320 MB – 2 GB, database 512 MB – 4 GB SSD
Oct 21, 2026

Our own measurements: coming soon for every app. See how we'll measure.