Stack Sizer
Size a self-hosted stack from official sources.
Load and options
BookStack
v1.0.0Load
Up to 50 users, 3 uncached page requests at once, up to 20 GiB of images and attachments, database up to 512 MiB.
Options
Recommended resources
App requirements + system baseline + safety headroom. Nothing else is added, and nothing is rounded to a machine size.
vCPU 3.72, RAM 3.3 GiB, Disk 35.176 GiB
vCPU3.72
RAM3.3GiB
Disk35.176GiB
Breakdown
| Line | From | vCPU | RAM (GiB) | Disk (GiB) | Sources |
|---|---|---|---|---|---|
| BookStack | BookStack (linuxserver.io image: nginx + PHP-FPM 8.5) · Medium load | 2.25 | 0.625 | 20.762 | 1234567 |
| BookStack | MariaDB · Medium load | 0.75 | 0.875 | 1.625 | 891011 |
| System baseline | Operating system, Container runtime (Docker Engine, containerd), System logs (journald), plus logs for 2 containers | 0.1 | 1.25 | 8.2 | 121314151617 |
| Safety headroom | vCPU 20%, RAM 20%, disk 15% of apps + baseline | 0.62 | 0.55 | 4.589 | 1813191620 |
| Recommended total | 3.72 | 3.3 | 35.176 |
Sources
- linuxserver/bookstack:v26.09.1-ls288 amd64: 115,431,525 B compressed, 434,337,792 B unpacked (11 layers); has curl, pm.max_children 5, memory_limit 128M; no User, no Healthcheck (BookStack, read 14 Oct 2026)
- linuxserver/docker-bookstack README at e6221fc (default admin login, env vars, /config path mapping, QUEUE_CONNECTION, changelog) (BookStack, read 14 Oct 2026)
- PHP manual: FPM configuration (pm.max_children is the maximum number of child processes) (BookStack, read 14 Oct 2026)
- PHP manual: OPcache runtime configuration (opcache.memory_consumption default 128 MB) (BookStack, read 14 Oct 2026)
- memcached(1) man page: -m default 64 MB, -p TCP port default 11211, -l default INADDR_ANY (BookStack, read 14 Oct 2026)
- Docker: containerd image store is the default on fresh Engine 29+ installs and keeps images compressed and uncompressed (BookStack, read 14 Oct 2026)
- BookStack docs: Backup and Restore (mysqldump, .env, public/uploads, storage/uploads, themes; keep APP_KEY) (BookStack, read 14 Oct 2026)
- MariaDB docs: InnoDB system variables (buffer pool default 128 MiB, innodb_log_file_size default 96 MB) (BookStack, read 14 Oct 2026)
- MariaDB docs: MariaDB Memory Allocation (BookStack, read 14 Oct 2026)
- Docker Hub: mariadb:12.3.3 (linux/amd64 107,837,515 B compressed) (BookStack, read 14 Oct 2026)
- MariaDB docs: Container Backup and Restoration (BookStack, read 14 Oct 2026)
- Ubuntu Server: System requirements (Sizing policy, read 10 Oct 2026)
- Google Kubernetes Engine: About GKE node sizing (Sizing policy, read 10 Oct 2026)
- ANAROQ measurement: dockerd and containerd at rest (Ubuntu 24.04, Docker 29.8.2) (Sizing policy, read 10 Oct 2026)
- Docker Community Forums: Docker resource usage & overhead (Sizing policy, read 10 Oct 2026)
- journald.conf(5), Ubuntu Manpages (Sizing policy, read 10 Oct 2026)
- Docker Docs: Local file logging driver (Sizing policy, read 10 Oct 2026)
- AWS Compute Optimizer: Rightsizing recommendation preferences (Sizing policy, read 10 Oct 2026)
- Kubernetes: Node-pressure Eviction (Sizing policy, read 10 Oct 2026)
- mke2fs(8), Ubuntu Manpages (Sizing policy, read 10 Oct 2026)
Deployment Spec
Turn this result into a link you can keep or share. Everything is in the link; nothing is sent to us.
A short lowercase image id, for example ubuntu-24.04.