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Oxicloud/docs/config/env.md
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# Environment Variables
Most runtime variables use the `OXICLOUD_` prefix. A few build-time or allocator variables do not.
## Server
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_STORAGE_PATH` | `./storage` | Root storage directory |
| `OXICLOUD_STATIC_PATH` | `./static` | Static files directory |
| `OXICLOUD_SERVER_PORT` | `8086` | Server port |
| `OXICLOUD_SERVER_HOST` | `127.0.0.1` | Server bind addressi (IPv4 or IPv6 allowed) |
| `OXICLOUD_BASE_URL` | (auto) | Public base URL for share links; defaults to `http://{host}:{port}` |
| `OXICLOUD_MAX_UPLOAD_SIZE` | `10737418240` | Maximum upload size in bytes (10 GB on 64-bit, 1 GB on 32-bit) |
## Database
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_DB_CONNECTION_STRING` | `postgres://postgres:postgres@localhost:5432/oxicloud` | PostgreSQL connection string |
| `OXICLOUD_DB_MAX_CONNECTIONS` | `20` | Max pool connections |
| `OXICLOUD_DB_MIN_CONNECTIONS` | `5` | Min pool connections |
| `OXICLOUD_DB_MAINTENANCE_MAX_CONNECTIONS` | `5` | Max connections in the isolated maintenance pool |
| `OXICLOUD_DB_MAINTENANCE_MIN_CONNECTIONS` | `1` | Min connections in the isolated maintenance pool |
## Build-Time SQLx
| Variable | Default | Description |
|---|---|---|
| `DATABASE_URL` | — | Build-time database URL for SQLx compile-time checks |
## Authentication
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_JWT_SECRET` | (auto-generated) | JWT signing secret; auto-persisted to `<STORAGE_PATH>/.jwt_secret` if unset |
| `OXICLOUD_ACCESS_TOKEN_EXPIRY_SECS` | `3600` | Access token lifetime (1 hour) |
| `OXICLOUD_REFRESH_TOKEN_EXPIRY_SECS` | `604800` | Refresh token lifetime (7 days); active sessions auto-renew on use |
| `OXICLOUD_HASH_MEMORY_COST` | `65536` | Argon2id memory cost in KiB (64 MiB) |
| `OXICLOUD_HASH_TIME_COST` | `3` | Argon2id iteration count |
| `OXICLOUD_HASH_PARALLELISM` | `2` | Argon2id parallelism lanes |
| `OXICLOUD_DISABLE_REGISTRATION` | false | Disable registration of new user accounts |
### Rate Limiting & Account Lockout
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_RATE_LIMIT_LOGIN_MAX` | `10` | Max login attempts per IP per window |
| `OXICLOUD_RATE_LIMIT_LOGIN_WINDOW_SECS` | `60` | Login rate-limit window (seconds) |
| `OXICLOUD_RATE_LIMIT_REGISTER_MAX` | `5` | Max registration attempts per IP per window |
| `OXICLOUD_RATE_LIMIT_REGISTER_WINDOW_SECS` | `3600` | Registration rate-limit window (seconds) |
| `OXICLOUD_RATE_LIMIT_REFRESH_MAX` | `20` | Max token refresh attempts per IP per window |
| `OXICLOUD_RATE_LIMIT_REFRESH_WINDOW_SECS` | `60` | Refresh rate-limit window (seconds) |
| `OXICLOUD_LOCKOUT_MAX_FAILURES` | `5` | Consecutive failed logins before account lockout |
| `OXICLOUD_LOCKOUT_DURATION_SECS` | `900` | Account lockout duration (15 minutes) |
## Feature Flags
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_ENABLE_AUTH` | `true` | Enable authentication |
| `OXICLOUD_ENABLE_USER_STORAGE_QUOTAS` | `false` | Per-user storage quotas |
| `OXICLOUD_ENABLE_FILE_SHARING` | `true` | File/folder sharing |
| `OXICLOUD_ENABLE_TRASH` | `true` | Trash / recycle bin |
| `OXICLOUD_ENABLE_SEARCH` | `true` | Full-text and metadata search |
| `OXICLOUD_ENABLE_MUSIC` | `true` | Music playlists and audio metadata |
| `OXICLOUD_EXPOSE_SYSTEM_USERS` | `true` | Expose other OxiCloud users as a read-only address book at `GET /api/address-books` |
## Storage Backend
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_STORAGE_BACKEND` | `local` | Blob storage backend: `local`, `s3`, or `azure` |
### S3-Compatible (AWS S3, Backblaze B2, Cloudflare R2, MinIO)
Used when `OXICLOUD_STORAGE_BACKEND=s3`.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_S3_BUCKET` | — | S3 bucket name (required) |
| `OXICLOUD_S3_REGION` | `us-east-1` | AWS region |
| `OXICLOUD_S3_ACCESS_KEY` | — | Access key ID |
| `OXICLOUD_S3_SECRET_KEY` | — | Secret access key |
| `OXICLOUD_S3_ENDPOINT_URL` | — | Custom endpoint for non-AWS providers (e.g. `https://s3.example.com`) |
| `OXICLOUD_S3_FORCE_PATH_STYLE` | `false` | Force path-style URLs (required for MinIO, R2) |
### Azure Blob Storage
Used when `OXICLOUD_STORAGE_BACKEND=azure`.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_AZURE_ACCOUNT_NAME` | — | Storage account name (required) |
| `OXICLOUD_AZURE_ACCOUNT_KEY` | — | Storage account key |
| `OXICLOUD_AZURE_CONTAINER` | — | Blob container name (required) |
| `OXICLOUD_AZURE_SAS_TOKEN` | — | SAS token (alternative to account key) |
### Local Disk Cache for Remote Backends
A least-recently-used disk cache that can speed up repeated reads from S3 or Azure.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_STORAGE_CACHE_ENABLED` | `false` | Enable LRU disk cache |
| `OXICLOUD_STORAGE_CACHE_MAX_SIZE` | `53687091200` | Max cache size in bytes (50 GB) |
| `OXICLOUD_STORAGE_CACHE_PATH` | `{STORAGE_PATH}/.blob-cache` | Cache directory |
### Client-Side Encryption
AES-256-GCM encryption applied to blobs before they are written to any backend.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_STORAGE_ENCRYPTION_ENABLED` | `false` | Enable at-rest blob encryption |
| `OXICLOUD_STORAGE_ENCRYPTION_KEY` | — | Base64-encoded 32-byte encryption key; generate with `openssl rand -base64 32` |
### Retry Policy (Remote Backends)
Exponential backoff retries for transient errors on S3 and Azure.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_STORAGE_RETRY_ENABLED` | `true` | Enable retry with exponential backoff |
| `OXICLOUD_STORAGE_RETRY_MAX_RETRIES` | `3` | Maximum retry attempts |
| `OXICLOUD_STORAGE_RETRY_INITIAL_BACKOFF_MS` | `100` | Initial backoff in milliseconds |
| `OXICLOUD_STORAGE_RETRY_MAX_BACKOFF_MS` | `10000` | Maximum backoff cap in milliseconds |
| `OXICLOUD_STORAGE_RETRY_BACKOFF_MULTIPLIER` | `2.0` | Backoff multiplier per retry |
## OIDC / SSO
See the [OIDC configuration guide](/config/oidc) for details.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_OIDC_ENABLED` | `false` | Enable OIDC |
| `OXICLOUD_OIDC_ISSUER_URL` | — | OIDC issuer URL |
| `OXICLOUD_OIDC_CLIENT_ID` | — | Client ID |
| `OXICLOUD_OIDC_CLIENT_SECRET` | — | Client secret |
| `OXICLOUD_OIDC_REDIRECT_URI` | `http://localhost:8086/api/auth/oidc/callback` | Callback URL (must match IdP config) |
| `OXICLOUD_OIDC_SCOPES` | `openid profile email` | Requested scopes |
| `OXICLOUD_OIDC_FRONTEND_URL` | `http://localhost:8086` | Frontend URL to redirect to after login |
| `OXICLOUD_OIDC_AUTO_PROVISION` | `true` | Auto-create users on first SSO login (JIT provisioning) |
| `OXICLOUD_OIDC_ADMIN_GROUPS` | — | Comma-separated OIDC groups that grant admin role |
| `OXICLOUD_OIDC_DISABLE_PASSWORD_LOGIN` | `false` | Hide password form when OIDC is active |
| `OXICLOUD_OIDC_PROVIDER_NAME` | `SSO` | Display name for the provider shown in UI |
## WOPI (Office Editing)
See the [WOPI configuration guide](/config/wopi) for details.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_WOPI_ENABLED` | `false` | Enable WOPI |
| `OXICLOUD_WOPI_DISCOVERY_URL` | — | Collabora/OnlyOffice discovery URL |
| `OXICLOUD_WOPI_BASE_URL` | `OXICLOUD_BASE_URL` | URL the editor uses to call OxiCloud's `/wopi/*` endpoints |
| `OXICLOUD_WOPI_PUBLIC_BASE_URL` | `OXICLOUD_WOPI_BASE_URL` | URL the browser uses to open OxiCloud's WOPI host page |
| `OXICLOUD_WOPI_SECRET` | (JWT secret) | WOPI token signing key |
| `OXICLOUD_WOPI_TOKEN_TTL_SECS` | `86400` | Token lifetime (24 hours) |
| `OXICLOUD_WOPI_LOCK_TTL_SECS` | `1800` | Lock expiration (30 minutes) |
When Collabora or OnlyOffice runs on a different hostname, set `OXICLOUD_WOPI_PUBLIC_BASE_URL` to the public OxiCloud URL that the browser can reach. If the editor reaches OxiCloud through a different internal URL, also set `OXICLOUD_WOPI_BASE_URL` for those callbacks.
## Nextcloud Compatibility
Enables the Nextcloud-compatible API layer (`/remote.php/`, `/ocs/`, `/status.php`, Login Flow v2) for clients that use the Nextcloud protocol.
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_NEXTCLOUD_ENABLED` | `false` | Enable Nextcloud compatibility layer |
| `OXICLOUD_NEXTCLOUD_INSTANCE_ID` | `ocnca` | Instance ID suffix used in `oc:id` formatting |
| `OXICLOUD_NEXTCLOUD_VERSION` | `28.0.4` | Emulated Nextcloud version reported to clients (format: `major.minor.patch`) |
## Trusted Proxy
| Variable | Default | Description |
|---|---|---|
| `OXICLOUD_TRUST_PROXY_CIDR` | — | Comma-separated list of trusted proxy CIDRs; enables `X-Forwarded-For` / `X-Real-IP` extraction for those source IPs |
| `OXICLOUD_TRUST_PROXY_HEADERS` | — | **Deprecated.** Use `OXICLOUD_TRUST_PROXY_CIDR` instead |
Example: `OXICLOUD_TRUST_PROXY_CIDR=127.0.0.1/32,10.0.0.0/8,172.16.0.0/12`
## Allocator Tuning
These variables are read directly by **mimalloc**, not by OxiCloud's config parser.
| Variable | Default | Description |
|---|---|---|
| `MIMALLOC_PURGE_DELAY` | `0` | Delay in ms before freed memory is returned to the OS (`0` = immediately, recommended for Docker) |
| `MIMALLOC_ALLOW_LARGE_OS_PAGES` | `0` | Enable 2 MiB huge pages (`0` = off, recommended for Docker to avoid THP RSS inflation) |
## Internal Defaults (not configurable via env)
| Parameter | Default |
|---|---|
| File cache TTL | 60 s |
| Directory cache TTL | 120 s |
| Max cache entries | 10 000 |
| Large file threshold | 100 MB |
| Streaming chunk size | 1 MB |
| Max parallel chunks | 8 |
| Trash retention | 30 days |
| Argon2id memory cost | 64 MiB |
| Argon2id time cost | 3 iterations |
| Nextcloud Login Flow v2 TTL | 600 s |
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