Version v0.35 of Metabase is no longer supported. Check out the docs for the current stable version, Metabase v0.63.
Most settings in Metabase can viewed and modified in the Admin Panel, or set via environment variables. The environment variables always take precedence.
| Environment Variable | Type | Default at install | Description |
|---|---|---|---|
| MB_ABANDONMENT_EMAIL_SENT | boolean | false |
Have we sent an abandonment email to the instance admin? |
| MB_ADMIN_EMAIL | string | null |
The email address users should be referred to if they encounter a problem. |
| MB_ANON_TRACKING_ENABLED | boolean | true |
Enable the collection of anonymous usage data in order to help Metabase improve. |
| MB_BREAKOUT_BIN_WIDTH | double | 10.0 |
When using the default binning strategy for a field of type Coordinate (such as Latitude and Longitude), this number will be used as the default bin width (in degrees). |
| MB_BREAKOUT_BINS_NUM | integer | 8 |
When using the default binning strategy and a number of bins is not provided, this number will be used as the default. |
| MB_CHECK_FOR_UPDATES | boolean | true |
Identify when new versions of Metabase are available. |
| MB_CUSTOM_FORMATTING | JSON | {} |
Object keyed by type, containing formatting settings |
| MB_CUSTOM_GEOJSON | JSON | {} |
JSON containing information about custom GeoJSON files for use in map visualizations instead of the default US State or World GeoJSON. |
| MB_EMAIL_FROM_ADDRESS | string | null |
Email address you want to use as the sender of Metabase. |
| MB_EMAIL_SMTP_HOST | string | null |
The address of the SMTP server that handles your emails. |
| MB_EMAIL_SMTP_PASSWORD | string | null |
SMTP password. |
| MB_EMAIL_SMTP_PORT | int | 25 |
The port your SMTP server uses for outgoing emails. |
| MB_EMAIL_SMTP_SECURITY | string | null |
SMTP secure connection protocol. (tls, ssl, starttls, or none) |
| MB_EMAIL_SMTP_USERNAME | string | null |
SMTP username. |
| MB_EMBEDDING_SECRET_KEY | string | null |
Secret key used to sign JSON Web Tokens for requests to /api/embed endpoints. |
| MB_ENABLE_EMBEDDING | boolean | false |
Allow admins to securely embed questions and dashboards within other applications? |
| MB_ENABLE_NESTED_QUERIES | boolean | true |
Allow using a saved question as the source for other queries? |
| MB_ENABLE_PUBLIC_SHARING | boolean | false |
Enable admins to create publicly viewable links (and embeddable iframes) for Questions and Dashboards? |
| MB_ENABLE_QUERY_CACHING | boolean | false |
Enabling caching will save the results of queries that take a long time to run. |
| MB_ENABLE_XRAYS | boolean | true |
Allow users to explore data using X-rays |
| MB_FOLLOW_UP_EMAIL_SENT | boolean | false |
Have we sent a follow up email to the instance admin? |
| MB_GOOGLE_AUTH_AUTO_CREATE_ACCOUNTS_DOMAIN | string | null |
When set, allow users to sign up on their own if their Google account email address is from this domain. |
| MB_GOOGLE_AUTH_CLIENT_ID | string | null |
Client ID for Google Auth SSO. If this is set, Google Auth is considered to be enabled. |
| MB_HUMANIZATION_STRATEGY | string (advanced, simple, or none) |
"advanced" |
Metabase can attempt to transform your table and field names into more sensible, human-readable versions, e.g. “somehorriblename” becomes “Some Horrible Name”. This doesn’t work all that well if the names are in a language other than English, however. Do you want us to take a guess? |
| MB_LDAP_ATTRIBUTE_EMAIL | string | "mail" |
Attribute to use for the users email. (usually ‘mail’, ‘email’ or ‘userPrincipalName’) |
| MB_LDAP_ATTRIBUTE_FIRSTNAME | string | "givenName" |
Attribute to use for the user’s first name. (usually ‘givenName’) |
| MB_LDAP_ATTRIBUTE_LASTNAME | string | "sn" |
Attribute to use for the user’s last name. (usually ‘sn’) |
| MB_LDAP_BIND_DN | string | null |
The Distinguished Name to bind as (if any), this user will be used to lookup information about other users. |
| MB_LDAP_ENABLED | boolean | false |
Enable LDAP authentication. |
| MB_LDAP_GROUP_BASE | string | null |
Search base for groups, not required if your LDAP directory provides a ‘memberOf’ overlay. (Will be searched recursively) |
| MB_LDAP_GROUP_MAPPINGS | JSON | {} |
JSON containing LDAP to Metabase group mappings. |
| MB_LDAP_GROUP_SYNC | boolean | false |
Enable group membership synchronization with LDAP. |
| MB_LDAP_HOST | string | null |
Server hostname. |
| MB_LDAP_PASSWORD | string | null |
The password to bind with for the lookup user. |
| MB_LDAP_PORT | string | "389" |
Server port, usually 389 or 636 if SSL is used. |
| MB_LDAP_SECURITY | string | "none" |
Use SSL, TLS or plain text. |
| MB_LDAP_USER_BASE | string | null |
Search base for users. (Will be searched recursively) |
| MB_LDAP_USER_FILTER | string | `(&(objectClass=inetOrgPerson)( | (uid={login})(mail={login})))` |
| MB_MAP_TILE_SERVER_URL | string | http://{s}.tile.openstreetmap.org/ {z}/{x}/{y}.png |
The map tile server URL template used in map visualizations, for example from OpenStreetMaps or MapBox. |
| MB_MAX_SIMULTANEOUS_QUERIES_PER_DB | integer | 15 |
Maximum number of simultaneous queries to allow per connected Database. |
| MB_METABOT_ENABLED | boolean | false |
Enable MetaBot, which lets you search for and view your saved questions directly via Slack. |
| MB_METABOT_INSTANCE_LAST_CHECKIN | string | null |
Timestamp of the last time the active MetaBot instance checked in. |
| MB_METABOT_INSTANCE_UUID | string | null |
UUID of the active MetaBot instance (the Metabase process currently handling MetaBot duties.) |
| MB_PREMIUM_EMBEDDING_TOKEN | string | null |
Token for premium features. Go to the MetaStore to get yours! |
| MB_QUERY_CACHING_MAX_KB | integer | 1000 |
The maximum size of the cache, per saved question, in kilobytes: |
| MB_QUERY_CACHING_MAX_TTL | integer | 8640000 (100 days, in seconds) |
The absolute maximum time to keep any cached query results, in seconds. |
| MB_QUERY_CACHING_MIN_TTL | integer | 60 |
Metabase will cache all saved questions with an average query execution time longer than this many seconds: |
| MB_QUERY_CACHING_TTL_RATIO | integer | 10 |
To determine how long each saved question’s cached result should stick around, we take the query’s average execution time and multiply that by whatever you input here.So if a query takes on average 2 minutes to run, and you input 10 for your multiplier, its cache entry will persist for 20 minutes. |
| MB_REPORT_TIMEZONE | string | null |
Connection timezone to use when executing queries. Defaults to system timezone. |
| MB_SITE_LOCALE | string | "en" |
The default language for this Metabase instance. This only applies to emails, Pulses, etc. Users’ browsers will specify the language used in the user interface. |
| MB_SITE_NAME | string | "Metabase" |
The name used for this instance of Metabase. |
| MB_SITE_URL | string | null |
The base URL of this Metabase instance, e.g. “http://metabase.my-company.com”. |
| MB_SLACK_TOKEN | string | null |
Slack API bearer token obtained from https://api.slack.com/web#authentication |
| MB_SOURCE_ADDRESS_HEADER | string | X-Forwarded-For |
Identify the source of HTTP requests by this headers value, instead of its remote address. |
| MB_SSL_CERTIFICATE_PUBLIC_KEY | string | null |
Base-64 encoded public key for this sites SSL certificate.Specify this to enable HTTP Public Key Pinning.See http://mzl.la/1EnfqBf for more information. |