Raw YAML - Releases: latest, v26.04, v26.02, v25.12, v25.11, v25.10

  1# Network-specific config options
  2network:
  3    # Which service is this bridge for? Available options:
  4    # * unset - allow users to pick any service when logging in (except facebook-tor)
  5    # * facebook - connect to FB Messenger via facebook.com
  6    # * facebook-tor - connect to FB Messenger via facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion
  7    # * messenger - connect to FB Messenger via messenger.com (can be used with the facebook side deactivated)
  8    # * instagram - connect to Instagram DMs via instagram.com
  9    #
 10    # Remember to change the appservice id, bot profile info, bridge username_template and management_room_text too.
 11    mode:
 12    # Should users be allowed to pick messenger.com login when mode is set to `facebook`?
 13    allow_messenger_com_on_fb: false
 14    
 15    # When in Instagram mode, should the bridge connect to WhatsApp servers for encrypted chats?
 16    # In FB/Messenger mode encryption is always enabled, this option only affects Instagram mode.
 17    ig_e2ee: false
 18    
 19    # Displayname template for FB/IG users. Available variables:
 20    #  .DisplayName - The display name set by the user.
 21    #  .Username - The username set by the user.
 22    #  .ID - The internal user ID of the user.
 23    displayname_template: '{{or .DisplayName .Username "Unknown user"}}'
 24    
 25    # Static proxy address (HTTP or SOCKS5) for connecting to Meta.
 26    proxy:
 27    # HTTP endpoint to request new proxy address from, for dynamically assigned proxies.
 28    # The endpoint must return a JSON body with a string field called proxy_url.
 29    get_proxy_from:
 30    # Should media be proxied too?
 31    proxy_media: false
 32    # Minimum interval between full reconnects in seconds, default is 1 hour
 33    min_full_reconnect_interval_seconds: 3600
 34    # Interval to force refresh the connection (full reconnect), default is 20 hours. Set 0 to disable force refreshes.
 35    force_refresh_interval_seconds: 72000
 36    # Should connection state be cached to allow quicker restarts?
 37    cache_connection_state: false
 38    # Disable fetching XMA media (reels, stories, etc) when backfilling.
 39    disable_xma_backfill: true
 40    # Disable fetching XMA media entirely.
 41    disable_xma_always: false
 42    # Should the bridge mark you as online when you send typing
 43    # notifications? Currently, this only has an effect for E2EE chats on
 44    # Facebook/Messenger. Full presence bridging is not supported.
 45    send_presence_on_typing: false
 46    # Should the bridge, when operating in Instagram mode, subscribe to an
 47    # additional websocket to receive typing indicators from other users?
 48    # An additional connection is only needed for receiving Instagram
 49    # typing indicators; the existing connection(s) are sufficient to send
 50    # and receive typing indicators in all other cases.
 51    receive_instagram_typing_indicators: true
 52    # Should view-once messages be disabled entirely?
 53    disable_view_once: false
 54    
 55
 56# Config options that affect the central bridge module.
 57bridge:
 58    # The prefix for commands. Only required in non-management rooms.
 59    command_prefix: '!meta'
 60    # Should the bridge create a space for each login containing the rooms that account is in?
 61    personal_filtering_spaces: true
 62    # Whether the bridge should set names and avatars explicitly for DM portals.
 63    # This is only necessary when using clients that don't support MSC4171.
 64    private_chat_portal_meta: true
 65    # Should events be handled asynchronously within portal rooms?
 66    # If true, events may end up being out of order, but slow events won't block other ones.
 67    # This is not yet safe to use.
 68    async_events: false
 69    # Should every user have their own portals rather than sharing them?
 70    # By default, users who are in the same group on the remote network will be
 71    # in the same Matrix room bridged to that group. If this is set to true,
 72    # every user will get their own Matrix room instead.
 73    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 74    split_portals: false
 75    # Should the bridge resend `m.bridge` events to all portals on startup?
 76    resend_bridge_info: false
 77    # Should `m.bridge` events be sent without a state key?
 78    # By default, the bridge uses a unique key that won't conflict with other bridges.
 79    no_bridge_info_state_key: false
 80    # Should bridge connection status be sent to the management room as `m.notice` events?
 81    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 82    # Allowed values: none, errors, all
 83    bridge_status_notices: errors
 84    # How long after an unknown error should the bridge attempt a full reconnect?
 85    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 86    unknown_error_auto_reconnect: null
 87
 88    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 89    bridge_matrix_leave: false
 90    # Should `m.notice` messages be bridged?
 91    bridge_notices: false
 92    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
 93    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
 94    tag_only_on_create: true
 95    # List of tags to allow bridging. If empty, no tags will be bridged.
 96    only_bridge_tags: [m.favourite, m.lowpriority]
 97    # Should room mute status only be synced when creating the portal?
 98    # Like tags, mutes can't currently be synced back to the remote network.
 99    mute_only_on_create: true
100    # Should the bridge check the db to ensure that incoming events haven't been handled before
101    deduplicate_matrix_messages: false
102    # Should cross-room reply metadata be bridged?
103    # Most Matrix clients don't support this and servers may reject such messages too.
104    cross_room_replies: false
105    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
106    revert_failed_state_changes: false
107    # In portals with no relay set, should Matrix users be kicked if they're
108    # not logged into an account that's in the remote chat?
109    kick_matrix_users: true
110
111    # What should be done to portal rooms when a user logs out or is logged out?
112    # Permitted values:
113    #   nothing - Do nothing, let the user stay in the portals
114    #   kick - Remove the user from the portal rooms, but don't delete them
115    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
116    #   delete - Remove all ghosts and users from the room (i.e. delete it)
117    cleanup_on_logout:
118        # Should cleanup on logout be enabled at all?
119        enabled: false
120        # Settings for manual logouts (explicitly initiated by the Matrix user)
121        manual:
122            # Action for private portals which will never be shared with other Matrix users.
123            private: nothing
124            # Action for portals with a relay user configured.
125            relayed: nothing
126            # Action for portals which may be shared, but don't currently have any other Matrix users.
127            shared_no_users: nothing
128            # Action for portals which have other logged-in Matrix users.
129            shared_has_users: nothing
130        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
131        # Keys have the same meanings as in the manual section.
132        bad_credentials:
133            private: nothing
134            relayed: nothing
135            shared_no_users: nothing
136            shared_has_users: nothing
137
138    # Settings for relay mode
139    relay:
140        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
141        # authenticated user into a relaybot for that chat.
142        enabled: false
143        # Should only admins be allowed to set themselves as relay users?
144        # If true, non-admins can only set users listed in default_relays as relays in a room.
145        admin_only: true
146        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
147        default_relays: []
148        # The formats to use when sending messages via the relaybot.
149        # Available variables:
150        #   .Sender.UserID - The Matrix user ID of the sender.
151        #   .Sender.Displayname - The display name of the sender (if set).
152        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
153        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
154        #                               plus the user ID in parentheses if the displayname is not unique.
155        #                               If the displayname is not set, this is just the user ID.
156        #   .Message - The `formatted_body` field of the message.
157        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
158        #   .FileName - The name of the file being sent.
159        message_formats:
160            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
161            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
162            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
163            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
164            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
165            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
166            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
167            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
168        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
169        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
170        # Note that you need to manually remove the displayname from message_formats above.
171        displayname_format: "{{ .DisambiguatedName }}"
172
173    # Permissions for using the bridge.
174    # Permitted values:
175    #    relay - Talk through the relaybot (if enabled), no access otherwise
176    # commands - Access to use commands in the bridge, but not login.
177    #     user - Access to use the bridge with puppeting.
178    #    admin - Full access, user level with some additional administration tools.
179    # Permitted keys:
180    #        * - All Matrix users
181    #   domain - All users on that homeserver
182    #     mxid - Specific user
183    permissions:
184        "*": relay
185        "example.com": user
186        "@admin:example.com": admin
187
188# Config for the bridge's database.
189database:
190    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
191    type: postgres
192    # The database URI.
193    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
194    #           https://github.com/mattn/go-sqlite3#connection-string
195    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
196    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
197    uri: postgres://user:password@host/database?sslmode=disable
198    # Maximum number of connections.
199    max_open_conns: 5
200    max_idle_conns: 1
201    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
202    # Parsed with https://pkg.go.dev/time#ParseDuration
203    max_conn_idle_time: null
204    max_conn_lifetime: null
205
206# Homeserver details.
207homeserver:
208    # The address that this appservice can use to connect to the homeserver.
209    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
210    # but https also works if they run on different machines.
211    address: http://example.localhost:8008
212    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
213    domain: example.com
214
215    # What software is the homeserver running?
216    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
217    software: standard
218    # The URL to push real-time bridge status to.
219    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
220    # The bridge will use the appservice as_token to authorize requests.
221    status_endpoint:
222    # Endpoint for reporting per-message status.
223    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
224    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
225    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
226    # The bridge will use the appservice as_token to authorize requests.
227    message_send_checkpoint_endpoint:
228    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
229    async_media: false
230
231    # Should the bridge use a websocket for connecting to the homeserver?
232    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
233    # mautrix-asmux (deprecated), and hungryserv (proprietary).
234    websocket: false
235    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
236    ping_interval_seconds: 0
237
238# Application service host/registration related details.
239# Changing these values requires regeneration of the registration (except when noted otherwise)
240appservice:
241    # The address that the homeserver can use to connect to this appservice.
242    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
243    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
244    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
245    address: http://localhost:29319
246    # A public address that external services can use to reach this appservice.
247    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
248    # This value doesn't affect the registration file.
249    public_address: https://bridge.example.com
250
251    # The hostname and port where this appservice should listen.
252    # For Docker, you generally have to change the hostname to 0.0.0.0.
253    hostname: 127.0.0.1
254    port: 29319
255
256    # The unique ID of this appservice.
257    id: meta
258    # Appservice bot details.
259    bot:
260        # Username of the appservice bot.
261        username: metabot
262        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
263        # to leave display name/avatar as-is.
264        displayname: Meta bridge bot
265        avatar: mxc://maunium.net/DxpVrwwzPUwaUSazpsjXgcKB
266
267    # Whether to receive ephemeral events via appservice transactions.
268    ephemeral_events: true
269    # Should incoming events be handled asynchronously?
270    # This may be necessary for large public instances with lots of messages going through.
271    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
272    # This value doesn't affect the registration file.
273    async_transactions: false
274
275    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
276    as_token: "This value is generated when generating the registration"
277    hs_token: "This value is generated when generating the registration"
278
279    # Localpart template of MXIDs for remote users.
280    # {{.}} is replaced with the internal ID of the user.
281    username_template: meta_{{.}}
282
283# Config options that affect the Matrix connector of the bridge.
284matrix:
285    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
286    message_status_events: false
287    # Whether the bridge should send a read receipt after successfully bridging a message.
288    delivery_receipts: false
289    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
290    message_error_notices: true
291    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
292    sync_direct_chat_list: true
293    # Whether created rooms should have federation enabled. If false, created portal rooms
294    # will never be federated. Changing this option requires recreating rooms.
295    federate_rooms: true
296    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
297    # rather than keeping the whole file in memory.
298    upload_file_threshold: 5242880
299
300# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
301analytics:
302    # API key to send with tracking requests. Tracking is disabled if this is null.
303    token: null
304    # Address to send tracking requests to.
305    url: https://api.segment.io/v1/track
306    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
307    user_id: null
308
309# Settings for provisioning API
310provisioning:
311    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
312    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
313    shared_secret: generate
314    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
315    # This follows the same rules as double puppeting to determine which server to contact to check the token,
316    # which means that by default, it only works for users on the same server as the bridge.
317    allow_matrix_auth: true
318    # Enable debug API at /debug with provisioning authentication.
319    debug_endpoints: false
320    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
321    # auth before passing live network client credentials down in the response.
322    enable_session_transfers: false
323
324# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
325# These settings control whether the bridge will provide such public media access.
326public_media:
327    # Should public media be enabled at all?
328    # The public_address field under the appservice section MUST be set when enabling public media.
329    enabled: false
330    # A key for signing public media URLs.
331    # If set to "generate", a random key will be generated.
332    signing_key: generate
333    # Number of seconds that public media URLs are valid for.
334    # If set to 0, URLs will never expire.
335    expiry: 0
336    # Length of hash to use for public media URLs. Must be between 0 and 32.
337    hash_length: 32
338    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
339    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
340    path_prefix: /_mautrix/publicmedia
341    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
342    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
343    # The hash_length field will be used to decide the length of the generated URL.
344    # This also allows invalidating URLs by deleting the database entry.
345    use_database: false
346
347# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
348# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
349direct_media:
350    # Should custom mxc:// URIs be used instead of reuploading media?
351    enabled: false
352    # The server name to use for the custom mxc:// URIs.
353    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
354    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
355    server_name: discord-media.example.com
356    # Optionally a custom .well-known response. This defaults to `server_name:443`
357    well_known_response:
358    # Optionally specify a custom prefix for the media ID part of the MXC URI.
359    media_id_prefix:
360    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
361    # media download redirects if the requester supports it. Optionally, you can force redirects
362    # and not allow proxying at all by setting this to false.
363    # This option does nothing if the remote network does not support media downloads over HTTP.
364    allow_proxy: true
365    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
366    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
367    server_key: generate
368
369# Settings for backfilling messages.
370# Note that the exact way settings are applied depends on the network connector.
371# See https://docs.mau.fi/bridges/general/backfill.html for more details.
372backfill:
373    # Whether to do backfilling at all.
374    enabled: false
375    # Maximum number of messages to backfill in empty rooms.
376    max_initial_messages: 50
377    # Maximum number of missed messages to backfill after bridge restarts.
378    max_catchup_messages: 500
379    # If a backfilled chat is older than this number of hours,
380    # mark it as read even if it's unread on the remote network.
381    unread_hours_threshold: 720
382    # Settings for backfilling threads within other backfills.
383    threads:
384        # Maximum number of messages to backfill in a new thread.
385        max_initial_messages: 50
386    # Settings for the backwards backfill queue. This only applies when connecting to
387    # Beeper as standard Matrix servers don't support inserting messages into history.
388    queue:
389        # Should the backfill queue be enabled?
390        enabled: false
391        # Number of messages to backfill in one batch.
392        batch_size: 100
393        # Delay between batches in seconds.
394        batch_delay: 20
395        # Maximum number of batches to backfill per portal.
396        # If set to -1, all available messages will be backfilled.
397        max_batches: -1
398        # Optional network-specific overrides for max batches.
399        # Interpretation of this field depends on the network connector.
400        max_batches_override: {}
401
402# Settings for enabling double puppeting
403double_puppet:
404    # Servers to always allow double puppeting from.
405    # This is only for other servers and should NOT contain the server the bridge is on.
406    servers:
407        anotherserver.example.org: https://matrix.anotherserver.example.org
408    # Whether to allow client API URL discovery for other servers. When using this option,
409    # users on other servers can use double puppeting even if their server URLs aren't
410    # explicitly added to the servers map above.
411    allow_discovery: false
412    # Shared secrets for automatic double puppeting.
413    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
414    secrets:
415        example.com: as_token:foobar
416
417# End-to-bridge encryption support options.
418#
419# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
420encryption:
421    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
422    allow: false
423    # Whether to force-enable encryption in all bridged rooms.
424    default: false
425    # Whether to require all messages to be encrypted and drop any unencrypted messages.
426    require: false
427    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
428    # This option is not yet compatible with standard Matrix servers like Synapse and should not be used.
429    # Changing this option requires updating the appservice registration file.
430    appservice: false
431    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
432    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
433    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
434    # Changing this option requires updating the appservice registration file.
435    msc4190: false
436    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
437    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
438    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
439    self_sign: false
440    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
441    # You must use a client that supports requesting keys from other users to use this feature.
442    allow_key_sharing: true
443    # Pickle key for encrypting encryption keys in the bridge database.
444    # If set to generate, a random key will be generated.
445    pickle_key: generate
446    # Options for deleting megolm sessions from the bridge.
447    delete_keys:
448        # Beeper-specific: delete outbound sessions when hungryserv confirms
449        # that the user has uploaded the key to key backup.
450        delete_outbound_on_ack: false
451        # Don't store outbound sessions in the inbound table.
452        dont_store_outbound: false
453        # Ratchet megolm sessions forward after decrypting messages.
454        ratchet_on_decrypt: false
455        # Delete fully used keys (index >= max_messages) after decrypting messages.
456        delete_fully_used_on_decrypt: false
457        # Delete previous megolm sessions from same device when receiving a new one.
458        delete_prev_on_new_session: false
459        # Delete megolm sessions received from a device when the device is deleted.
460        delete_on_device_delete: false
461        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
462        periodically_delete_expired: false
463        # Delete inbound megolm sessions that don't have the received_at field used for
464        # automatic ratcheting and expired session deletion. This is meant as a migration
465        # to delete old keys prior to the bridge update.
466        delete_outdated_inbound: false
467    # What level of device verification should be required from users?
468    #
469    # Valid levels:
470    #   unverified - Send keys to all device in the room.
471    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
472    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
473    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
474    #                           Note that creating user signatures from the bridge bot is not currently possible.
475    #   verified - Require manual per-device verification
476    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
477    verification_levels:
478        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
479        receive: unverified
480        # Minimum level that the bridge should accept for incoming Matrix messages.
481        send: unverified
482        # Minimum level that the bridge should require for accepting key requests.
483        share: cross-signed-tofu
484    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
485    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
486    rotation:
487        # Enable custom Megolm room key rotation settings. Note that these
488        # settings will only apply to rooms created after this option is set.
489        enable_custom: false
490        # The maximum number of milliseconds a session should be used
491        # before changing it. The Matrix spec recommends 604800000 (a week)
492        # as the default.
493        milliseconds: 604800000
494        # The maximum number of messages that should be sent with a given a
495        # session before changing it. The Matrix spec recommends 100 as the
496        # default.
497        messages: 100
498        # Disable rotating keys when a user's devices change?
499        # You should not enable this option unless you understand all the implications.
500        disable_device_change_key_rotation: false
501
502# Prefix for environment variables. All variables with this prefix must map to valid config fields.
503# Nesting in variable names is represented with a dot (.).
504# If there are no dots in the name, two underscores (__) are replaced with a dot.
505#
506# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
507# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
508#
509# If this is null, reading config fields from environment will be disabled.
510env_config_prefix: null
511
512# Logging config. See https://github.com/tulir/zeroconfig for details.
513logging:
514    min_level: debug
515    writers:
516        - type: stdout
517          format: pretty-colored
518        - type: file
519          format: json
520          filename: ./logs/bridge.log
521          max_size: 100
522          max_backups: 10
523          compress: false