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Configuration

kazarma is configured using environment variables. It will refuse to start if the required variables are not provided.

For optional environment variables, defaults are the recommended values to run kazarma beside your homeserver, bridging only your own users.

You may also want to customize the frontend or enable observability features.

Database configuration​

DATABASE_HOST (required)​

The host to reach PostgreSQL.

DATABASE_USERNAME (required)​

The SQL username.

DATABASE_PASSWORD (required)​

The SQL password.

DATABASE_DB (required)​

The SQL database.

Application service configuration​

HOMESERVER_TOKEN (required)​

Token defined in the application service configuration file, will be used to authenticate the Matrix server against kazarma.

ACCESS_TOKEN (required)​

Token defined in the application service configuration file, will be used to authenticate kazarma against the Matrix server.

MATRIX_URL (required)​

URL to the Matrix server.

Addresses​

ACTIVITY_PUB_DOMAIN (required)​

ActivityPub domain for puppet actors. If different than the host, you need to serve a file at domain/.well-known/host-meta, containing a link to the real host, like this

PUPPET_PREFIX​

Default: _ap_

Username prefix for Matrix puppet users that correspond to ActivityPub actors.

General configuration​

HOST (required)​

Host for the kazarma application, used to generate URLs.

SECRET_KEY_BASE (required)​

Phoenix's secret key base, used to sign session cookies. With Mix and Phoenix, it can be easily generated with mix phx.gen.secret.

PUBLIC_BRIDGE​

Default: false

True or false, whether kazarma is deployed as a "public bridge":

  • in private mode, it will only bridge the Matrix users of the homeserver it is installed alongside of;
  • in public mode, it will also bridge the remote Matrix users, but the ActivityPub users discoverability will be opt-in. It will also allow bridging of ActivityPub users' public activity, with a separate opt-in mechanism. This is only intended for a deployment at kazar.ma.

Default: false

True or false, whether to show the search field on kazarma HTML pages.

HTML_AP​

Default: false

True or false, whether to display profiles for ActivityPub actors. It can help Matrix users to get the (puppet) Matrix ID to reach an ActivityPub actor.

Frontend customization​

FRONTPAGE_HELP​

Default: true

True or false, whether the frontend should display integrated help.

FRONTPAGE_BEFORE_TEXT​

Default: ""

Text to show before kazarma introduction on the index page.

FRONTPAGE_AFTER_TEXT​

Default: ""

Text to show after kazarma introduction on the index page.

Observability​

SENTRY_DSN​

Default: ``

Sentry DSN, if used.

RELEASE_LEVEL​

Default: production

Release level, used in Sentry.

ENABLE_PROM_EX​

Default: false

Enable Prometheus metrics.