Synapse homeserver for the matrix network.

Volumes

• /var/lib/matrix-synapse/media_store/
• /var/lib/matrix-synapse/signing/
• /var/lib/matrix-synapse/registrations/

Environment Variables

SERVER_NAME

Name of the synapse server.

PUBLIC_BASE_URL

Full base url.

SHARED_SECRET

If set, allows registration by anyone who also has the shared secret, even if registration is otherwise disabled.

MACAROON_SECRET_KEY

Secret key for macaroon.

FORM_SECRET_KEY

Secret key to calculate HMACs for form values.

TURN_URIS

Comma seperated list of TURN servers to use.

TURN_SHARED_SECRET

The shared secret used to compute passwords for the TURN server

TURN_USER_LIFETIME

• default: 1h

How long generated TURN credentials last.

ADMIN_EMAIL

Email at which the administrator can be reached.

DB_HOST

Database host.

DB_NAME

Database name.

DB_USER

Database user.

DB_PASSWORD

Password for the database user.

MAX_UPLOAD_SIZE

• default: 10M

The largest allowed upload size.

MAX_THUMBNAIL_PIXELS

• default: 32M

Maximum number of pixels that will be thumbnailed.

DYNAMIC_THUMBNAILS

• default: True

Whether to generate new thumbnails on the fly to precisely match the resolution requested by the client.

REGISTRATIONS

• default: []

Comma seperated list of registration files to load.

Whether to report statistics.

Ports

• 8008

Capabilities

• CHOWN
• DAC_OVERRIDE
• FOWNER
• NET_BIND_SERVICE
• SETGID
• SETUID