Immich
An optional self-hosted photo library that lens can caption from and write captions back to.
Used by
Official guides
Minimal setup
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Run Immich (its Docker Compose install is the supported path).
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In Immich, create an API key under Account Settings → API Keys.
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Give lens the server and the key:
IMMICH_URL=http://<LAN_HOST>:2283 IMMICH_API_KEY=…
Lens reads both on each request, so you don't need to restart it to change them. See Immich (opens in new tab) in lens's README for the endpoints and the write-back behaviour.