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docs: improve FORCE_HTTPS, COOKIE_SECURE, TRUST_PROXY documentation

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FORCE_HTTPS now documents all four effects (redirect, HSTS, CSP
upgrade-insecure-requests, secure cookie flag) and is clearly marked
optional. COOKIE_SECURE default updated to "auto" with explanation of
auto-derivation logic. TRUST_PROXY clarifies it's off in dev unless
set and is required for FORCE_HTTPS. charts/README.md gains FORCE_HTTPS
and TRUST_PROXY entries. README prose expanded to explain all three
vars and their interaction.
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jubnl
2026-04-11 15:25:41 +02:00
parent be248e1ad4
commit f47852d689
6 changed files with 29 additions and 21 deletions
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charts/README.md
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@@ -32,5 +32,7 @@ See `values.yaml` for more options.
- `ENCRYPTION_KEY` encrypts stored secrets (API keys, MFA, SMTP, OIDC) at rest. Recommended: set via `secretEnv.ENCRYPTION_KEY` or `existingSecret`. If left empty, the server falls back automatically: existing installs use `data/.jwt_secret` (no action needed on upgrade); fresh installs auto-generate a key persisted to the data PVC.
- If using ingress, you must manually keep `env.ALLOWED_ORIGINS` and `ingress.hosts` in sync to ensure CORS works correctly. The chart does not sync these automatically.
- Set `env.ALLOW_INTERNAL_NETWORK: "true"` if Immich or other integrated services are hosted on a private/RFC-1918 address (e.g. a pod on the same cluster or a NAS on your LAN). Loopback (`127.x`) and link-local/metadata addresses (`169.254.x`) remain blocked regardless.
- Set `env.COOKIE_SECURE: "false"` only if your deployment has no TLS (e.g. during local testing without ingress). Session cookies require HTTPS in all other cases.
- `FORCE_HTTPS` is optional. Set `env.FORCE_HTTPS: "true"` only when ingress (or another proxy) terminates TLS. It enables HTTPS redirects, HSTS, CSP `upgrade-insecure-requests`, and forces the session cookie `secure` flag. Requires `TRUST_PROXY` to be set.
- Set `env.TRUST_PROXY: "1"` (or the number of proxy hops) when running behind ingress or a load balancer. Required for `FORCE_HTTPS` to detect the forwarded protocol correctly. In production it defaults to `1` automatically.
- `COOKIE_SECURE` is auto-derived (on when `NODE_ENV=production` or `FORCE_HTTPS=true`). Set `env.COOKIE_SECURE: "false"` only during local testing without TLS. **Not recommended for production.**
- Set `env.OIDC_DISCOVERY_URL` to override the auto-constructed OIDC discovery endpoint. Required for providers (e.g. Authentik) that expose it at a non-standard path.