122 lines
6.0 KiB
Markdown
122 lines
6.0 KiB
Markdown
# Immich
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Self-hosted photo and video library. Phone backup that runs on your own disk,
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with the parts that make Google Photos worth using — face and object search,
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places, memories, shared albums — done locally by a machine-learning container.
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The heaviest stack in this repo: four containers, a Postgres with vector
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extensions, and a model cache. Budget a few GB of RAM and expect the first
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import to work the CPU hard.
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## Quick start
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```bash
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cp .env.example .env
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$EDITOR .env # UPLOAD_LOCATION, DB_DATA_LOCATION, DB_PASSWORD
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docker compose up -d
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```
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Open `http://<host>:2283` and register. **The first account created is the
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admin** — there is no separate bootstrap step, so do this before the port is
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reachable by anyone else.
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## Ports
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| Port | Proto | Purpose |
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|------|-------|---------|
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| 2283 | http | Web UI, mobile app API, everything |
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Postgres and Valkey are reachable only on the stack's internal network.
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## Why it looks like this
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**This file is upstream's, verbatim, and should stay that way.** Immich ships a
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`docker-compose.yml` with each release, pins two of its images *by digest*, and
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changes the file between versions — the mount path, the Postgres extension
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build, added `shm_size`. Local edits turn every update into a three-way merge.
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The repo convention of `${VAR:-default}` is deliberately **not** applied here for
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the same reason: keeping it byte-identical to upstream means you can re-fetch and
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`diff` to see exactly what a release changed.
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```bash
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curl -fLo /tmp/immich-new.yml \
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https://github.com/immich-app/immich/releases/latest/download/docker-compose.yml
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diff -u compose.yaml /tmp/immich-new.yml
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```
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Pinned at **v3.2.2** (released 2026-09-15).
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**Four containers.** `immich-server` is the API and web UI. `immich-machine-learning`
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runs the CLIP and face-detection models — it is separate because it is the part
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you might want on a GPU, and because its model cache is a named volume rather
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than something you back up. `database` is Postgres with **VectorChord**, which
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is what makes similarity search possible; a stock Postgres image will not work.
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`redis` is Valkey, the Redis fork, used as the job queue.
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**`env_file: .env` is a hard dependency.** Unlike every other stack here, where
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`.env` is optional because the compose file carries defaults, Compose will refuse
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to start this one if the file does not exist.
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**Images are digest-pinned** for Valkey and Postgres
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(`@sha256:…`), so those two are byte-identical to what upstream tested against
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this release. The Immich images themselves float on `${IMMICH_VERSION:-release}`
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— which is why pinning `IMMICH_VERSION` in `.env` matters.
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## Gotchas
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- **Pin `IMMICH_VERSION` to a major.** Unset, it resolves to `release`, so a
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routine `docker compose pull` can carry you across a major version while your
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compose file stays behind. Upstream's own `example.env` now sets
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`IMMICH_VERSION=v3` for exactly this reason.
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- **The container media path changed, and it is easy to miss.** Older compose
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files mount `${UPLOAD_LOCATION}:/usr/src/app/upload`; since **v1.140.0** it is
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`${UPLOAD_LOCATION}:/data`, because `IMMICH_MEDIA_LOCATION` now defaults to
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`/data`. Run a new image against an old compose file and the server looks for
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your library at an unmounted path — it appears empty, and anything written
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goes into the container and is lost when it is recreated. If you are adopting
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this file over an older one, that mount line is the one to check first.
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- **`DB_DATA_LOCATION` must be local storage.** Not NFS, not SMB, not a
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network share of any kind. Postgres on a network filesystem corrupts, and
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upstream says so in the example env.
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- **Upgrading Postgres extensions is a real migration.** The image here is
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`14-vectorchord0.4.3-pgvectors0.2.0`; moving from an older VectorChord build
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makes Immich alter the database on first boot, which "can take seconds to
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minutes". Back up `DB_DATA_LOCATION` before any version jump, and read
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[the upgrade notes](https://docs.immich.app/install/upgrading/).
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- **`shm_size: 128mb` on the database is load-bearing**, not decoration.
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Postgres uses shared memory for larger queries and Docker's 64 MB default is
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not enough here. Upstream's upgrade guide lists adding it as a required step.
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- **`DB_STORAGE_TYPE: 'HDD'` is commented out** in the database environment.
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Uncomment it if the Postgres data directory sits on a spinning disk — it tunes
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the planner's assumptions about random reads. Leave it alone on SSD or NVMe.
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- **Back up `UPLOAD_LOCATION` and `DB_DATA_LOCATION` together.** The files are
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the photos; the database holds every album, face cluster, share and edit.
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Either alone is most of a disaster.
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- **The first import is expensive.** Machine learning runs over the whole
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library once. On a low-power box expect it to saturate the CPU for hours —
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the same caveat as [copyparty](../copyparty/README.md) on an N100, and worth
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scheduling rather than discovering.
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## Exposing it
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The mobile apps talk to the same port as the browser, so whatever you put in
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front has to work for both.
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- [Reverse proxy with Caddy](../docs/reverse-proxy.md) — the normal route.
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Raise the upload body limit or large videos fail on the way in.
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- [Cloudflare Tunnel](../cloudflare-tunnel/) — **the ~100 MB body cap is exactly
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the wrong limit for this.** A phone's 4K video will exceed it. Read
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[the limits](../docs/cloudflare-tunnel.md) first.
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- [Single sign-on with Authentik](../docs/authentik-sso.md) — Immich speaks OIDC
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natively, so use that rather than forward auth, which would break every mobile
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client. Keep a local admin account until the flow is proven.
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## Links
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- Install guide: <https://docs.immich.app/install/docker-compose>
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- Release compose file: <https://github.com/immich-app/immich/releases/latest/download/docker-compose.yml>
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- Environment variables: <https://docs.immich.app/install/environment-variables>
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- Upgrading: <https://docs.immich.app/install/upgrading/>
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- Hardware-accelerated ML: <https://docs.immich.app/features/ml-hardware-acceleration>
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- Compose builder: <https://immich.app/docker-compose-builder>
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