* fix(packing): resolve avatar URL path in bag and category assignees (#854) packingService was returning raw avatar filenames from the DB instead of the full /uploads/avatars/<filename> path, causing broken profile images for users with uploaded avatars. * fix(budget): use Map.get() to fix category rename no-op (#855) * fix(security): relax Referrer-Policy and document HSTS_INCLUDE_SUBDOMAINS (#862) (#863) - Change Helmet default from no-referrer to strict-origin-when-cross-origin so browsers send the origin on cross-origin requests, allowing Google Maps API key restrictions by HTTP referrer to work correctly - Document HSTS_INCLUDE_SUBDOMAINS in all deployment artifacts: .env.example, docker-compose.yml, README.md, unraid-template.xml, charts/values.yaml, charts/configmap.yaml, wiki/Environment-Variables.md * fix(planner): prefetch budget items on trip page mount (#864) Loads budgetItems alongside reservations when TripPlannerPage mounts so the Budget category dropdown in ReservationModal and TransportModal shows pre-existing categories on first open, regardless of whether the Budget tab has been visited. Closes #861 * fix(reservations): prevent Invalid Date when end time is set without end date (#866) When reservation_end_time held a bare time string ("HH:MM"), fmtDate() produced Invalid Date on the reservation card. - Modal: when end date is blank but end time is filled, construct a same-day ISO datetime using the start date (prevents time-only strings from ever being persisted) - Panel: derive endDatePart via regex so date-only end values ("YYYY-MM-DD") still show the multi-day range, while bare time strings are skipped and handled correctly by the existing time column logic Closes #860 * fix(planner): format reservation end time instead of rendering raw ISO string (#867) Closes #859 * fix(planner): wire Route toggle into mobile day sidebar (#850) (#868) The per-booking Route icon was missing on mobile because the mobile DayPlanSidebar invocation in TripPlannerPage didn't pass visibleConnectionIds or onToggleConnection. Mobile PWA users couldn't activate reservation map overlays without forcing desktop mode. Also corrects the Map-Features wiki: fixes the setting name ("Booking route labels" not "Show connection labels"), documents the route_calculation requirement for travel-time pills, and explains that overlays are off by default and must be toggled per reservation.
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Environment Variables
Complete reference for all environment variables TREK reads.
How to Set Variables
- Docker Compose — use the
environment:block or a.envfile alongsidedocker-compose.yml - Docker run — pass each variable with
-e VARIABLE=value - Helm — use
env:for plain values andsecretEnv:for sensitive values invalues.yaml - Unraid — set in the container template editor
Core
| Variable | Description | Default |
|---|---|---|
PORT |
Server port | 3000 |
NODE_ENV |
Environment (production / development) |
production |
ENCRYPTION_KEY |
At-rest encryption key — see resolution order below | auto |
TZ |
Timezone for logs, reminders, and cron jobs (e.g. Europe/Berlin) |
UTC |
LOG_LEVEL |
info = concise user actions; debug = verbose details |
info |
DEFAULT_LANGUAGE |
Default language on the login page — see supported codes below | en |
ALLOWED_ORIGINS |
Comma-separated origins for CORS and email notification links | same-origin |
ALLOW_INTERNAL_NETWORK |
Allow outbound requests to private/RFC-1918 IPs. Set true if Immich or other integrated services are on your local network. Loopback (127.x) and link-local (169.254.x) addresses remain blocked regardless. |
false |
APP_URL |
Public base URL (e.g. https://trek.example.com). Required when OIDC is enabled — must match the redirect URI registered with your IdP. Also used as the base URL for email notification links. |
— |
ENCRYPTION_KEY — Resolution Order
server/src/config.ts resolves the encryption key in this order:
ENCRYPTION_KEYenv var — explicit value, always takes priority. Persisted todata/.encryption_keyautomatically.data/.encryption_keyfile — present on any install that has started at least once.data/.jwt_secretfile — one-time fallback for existing installs upgrading without a pre-set key. The value is immediately persisted todata/.encryption_keyso JWT rotation cannot break decryption later.- Auto-generated — fresh install with none of the above; persisted to
data/.encryption_key.
Setting ENCRYPTION_KEY explicitly is recommended so you can back it up independently of the data volume.
DEFAULT_LANGUAGE — Supported Codes
Verified in server/src/config.ts (line 107):
de, en, es, fr, hu, nl, br, cs, pl, ru, zh, zh-TW, it, ar
Note:
id(Indonesian / Bahasa Indonesia) appears inclient/src/i18n/supportedLanguages.tsbut is not in the server's supported-codes list inconfig.ts. SettingDEFAULT_LANGUAGE=idwill fall back toenwith a warning in the server log.
HTTPS / Proxy
These three variables work together behind a TLS-terminating reverse proxy. See Reverse-Proxy for the full explanation.
| Variable | Description | Default |
|---|---|---|
FORCE_HTTPS |
When true: 301-redirects HTTP→HTTPS, sends HSTS (max-age=31536000), adds CSP upgrade-insecure-requests, forces cookie secure flag. Only useful behind a TLS proxy. Requires TRUST_PROXY. |
false |
HSTS_INCLUDE_SUBDOMAINS |
When true: adds the includeSubDomains directive to the HSTS header, extending HTTPS enforcement to all subdomains. Only effective when HSTS is active (FORCE_HTTPS=true or NODE_ENV=production). Leave false if you run other services on sibling subdomains over plain HTTP. |
false |
TRUST_PROXY |
Number of trusted proxy hops. Tells Express to read the real client IP from X-Forwarded-For and protocol from X-Forwarded-Proto. Defaults to 1 automatically in production. Required for FORCE_HTTPS to detect the forwarded protocol. |
1 (production) |
COOKIE_SECURE |
Controls the secure flag on the trek_session cookie. Auto-derived as true when NODE_ENV=production or FORCE_HTTPS=true. Set to false only as an escape hatch for LAN testing without TLS — not recommended in production. |
auto |
Warning:
FORCE_HTTPS=truewithoutTRUST_PROXYset causes a redirect loop.
OIDC / SSO
For setup instructions, see OIDC-SSO.
| Variable | Description | Default |
|---|---|---|
OIDC_ISSUER |
OpenID Connect provider URL (e.g. https://auth.example.com) |
— |
OIDC_CLIENT_ID |
OIDC client ID | — |
OIDC_CLIENT_SECRET |
OIDC client secret | — |
OIDC_DISPLAY_NAME |
Label shown on the SSO login button | SSO |
OIDC_ONLY |
Force SSO-only mode: disables password login and registration, overrides Admin > Settings toggles, cannot be changed at runtime. First SSO login becomes admin on a fresh instance. | false |
OIDC_ADMIN_CLAIM |
OIDC claim used to identify admin users (e.g. groups) |
— |
OIDC_ADMIN_VALUE |
Value of the OIDC claim that grants admin role (e.g. app-trek-admins) |
— |
OIDC_SCOPE |
Space-separated OIDC scopes to request. Fully replaces the default — always include openid email profile plus any extra scopes (e.g. add groups when using OIDC_ADMIN_CLAIM) |
openid email profile |
OIDC_DISCOVERY_URL |
Override the auto-constructed OIDC discovery endpoint. Required for providers with a non-standard path (e.g. Authentik) | — |
Email / SMTP
SMTP settings can be configured via the Admin panel or overridden with environment variables. Env vars take priority over the database values.
| Variable | Description | Default |
|---|---|---|
SMTP_HOST |
SMTP server hostname (e.g. smtp.example.com) |
— |
SMTP_PORT |
SMTP server port. Port 465 enables implicit TLS (secure: true); all other ports use STARTTLS or plain. |
— |
SMTP_USER |
SMTP authentication username | — |
SMTP_PASS |
SMTP authentication password | — |
SMTP_FROM |
Sender address for outbound emails (e.g. TREK <noreply@example.com>) |
— |
SMTP_SKIP_TLS_VERIFY |
Set true to disable TLS certificate validation. Useful for self-signed certs on internal SMTP relays — not recommended in production. |
false |
SMTP_HOST, SMTP_PORT, and SMTP_FROM are all required for email delivery to work. SMTP_USER and SMTP_PASS are optional (for unauthenticated relays).
Initial Setup
These variables only take effect on first boot, before any user exists.
| Variable | Description | Default |
|---|---|---|
ADMIN_EMAIL |
Email for the first admin account | admin@trek.local |
ADMIN_PASSWORD |
Password for the first admin account | random |
Both variables must be set together. If either is omitted, the account is created with email admin@trek.local and a randomly generated password that is printed to the server log. Once any user exists, these variables have no effect.
MCP
For setup instructions, see MCP-Overview.
| Variable | Description | Default |
|---|---|---|
MCP_RATE_LIMIT |
Max MCP API requests per user per minute | 300 |
MCP_MAX_SESSION_PER_USER |
Max concurrent MCP sessions per user | 20 |
Other
| Variable | Description | Default |
|---|---|---|
DEMO_MODE |
Enable demo mode (hourly data resets). Not intended for regular use. | false |
Related Pages
- Reverse-Proxy — HTTPS proxy setup and the
FORCE_HTTPS/TRUST_PROXY/COOKIE_SECUREtrio - OIDC-SSO — complete OIDC configuration guide
- MCP-Overview — MCP server setup and rate limiting
- Encryption-Key-Rotation — rotating the
ENCRYPTION_KEYwithout losing data