Raw YAML - Releases: latest, v26.04, v26.03, v26.02, v26.01, v25.12, v25.11, v25.10

  1# Network-specific config options
  2network:
  3    # Displayname template for Signal users.
  4    # {{.ProfileName}} - The Signal profile name set by the user.
  5    # {{.ContactName}} - The name for the user from your phone's contact list. This is not safe on multi-user instances.
  6    # {{.Nickname}} - The nickname set for the user in the native Signal app. This is not safe on multi-user instances.
  7    # {{.PhoneNumber}} - The phone number of the user.
  8    # {{.UUID}} - The UUID of the Signal user.
  9    # {{.AboutEmoji}} - The emoji set by the user in their profile.
 10    displayname_template: '{{or .ProfileName .PhoneNumber "Unknown user"}}'
 11    # Should avatars from the user's contact list be used? This is not safe on multi-user instances.
 12    use_contact_avatars: false
 13    # Should the bridge request the user's contact list from the phone on startup?
 14    sync_contacts_on_startup: true
 15    # Should the bridge sync ghost user info even if profile fetching fails? This is not safe on multi-user instances.
 16    use_outdated_profiles: false
 17    # Should the Signal user's phone number be included in the room topic in private chat portal rooms?
 18    number_in_topic: true
 19    # Default device name that shows up in the Signal app.
 20    device_name: mautrix-signal
 21    # Avatar image for the Note to Self room.
 22    note_to_self_avatar: mxc://maunium.net/REBIVrqjZwmaWpssCZpBlmlL
 23    # Format for generating URLs from location messages for sending to Signal.
 24    # Google Maps: 'https://www.google.com/maps/place/%[1]s,%[2]s';
 25    # OpenStreetMap: 'https://www.openstreetmap.org/?mlat=%[1]s&mlon=%[2]s';
 26    location_format: 'https://www.google.com/maps/place/%[1]s,%[2]s'
 27    # Should view-once messages disappear shortly after sending a read receipt on Matrix?
 28    disappear_view_once: false
 29    # Should polls be sent using unstable MSC3381 event types?
 30    extev_polls: false
 31    
 32
 33# Config options that affect the central bridge module.
 34bridge:
 35    # The prefix for commands. Only required in non-management rooms.
 36    command_prefix: '!signal'
 37    # Should the bridge create a space for each login containing the rooms that account is in?
 38    personal_filtering_spaces: true
 39    # Whether the bridge should set names and avatars explicitly for DM portals.
 40    # This is only necessary when using clients that don't support MSC4171.
 41    private_chat_portal_meta: true
 42    # Should events be handled asynchronously within portal rooms?
 43    # If true, events may end up being out of order, but slow events won't block other ones.
 44    # This is not yet safe to use.
 45    async_events: false
 46    # Should every user have their own portals rather than sharing them?
 47    # By default, users who are in the same group on the remote network will be
 48    # in the same Matrix room bridged to that group. If this is set to true,
 49    # every user will get their own Matrix room instead.
 50    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 51    split_portals: false
 52    # Should the bridge resend `m.bridge` events to all portals on startup?
 53    resend_bridge_info: false
 54    # Should `m.bridge` events be sent without a state key?
 55    # By default, the bridge uses a unique key that won't conflict with other bridges.
 56    no_bridge_info_state_key: false
 57    # Should bridge connection status be sent to the management room as `m.notice` events?
 58    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 59    # Allowed values: none, errors, all
 60    bridge_status_notices: errors
 61    # How long after an unknown error should the bridge attempt a full reconnect?
 62    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 63    unknown_error_auto_reconnect: null
 64    # Maximum number of times to do the auto-reconnect above.
 65    # The counter is per login, but is never reset except on logout and restart.
 66    unknown_error_max_auto_reconnects: 10
 67
 68    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 69    bridge_matrix_leave: false
 70    # Should `m.notice` messages be bridged?
 71    bridge_notices: false
 72    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
 73    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
 74    tag_only_on_create: true
 75    # List of tags to allow bridging. If empty, no tags will be bridged.
 76    only_bridge_tags: [m.favourite, m.lowpriority]
 77    # Should room mute status only be synced when creating the portal?
 78    # Like tags, mutes can't currently be synced back to the remote network.
 79    mute_only_on_create: true
 80    # Should the bridge check the db to ensure that incoming events haven't been handled before
 81    deduplicate_matrix_messages: false
 82    # Should cross-room reply metadata be bridged?
 83    # Most Matrix clients don't support this and servers may reject such messages too.
 84    cross_room_replies: false
 85    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
 86    revert_failed_state_changes: false
 87    # In portals with no relay set, should Matrix users be kicked if they're
 88    # not logged into an account that's in the remote chat?
 89    kick_matrix_users: true
 90
 91    # What should be done to portal rooms when a user logs out or is logged out?
 92    # Permitted values:
 93    #   nothing - Do nothing, let the user stay in the portals
 94    #   kick - Remove the user from the portal rooms, but don't delete them
 95    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
 96    #   delete - Remove all ghosts and users from the room (i.e. delete it)
 97    cleanup_on_logout:
 98        # Should cleanup on logout be enabled at all?
 99        enabled: false
100        # Settings for manual logouts (explicitly initiated by the Matrix user)
101        manual:
102            # Action for private portals which will never be shared with other Matrix users.
103            private: nothing
104            # Action for portals with a relay user configured.
105            relayed: nothing
106            # Action for portals which may be shared, but don't currently have any other Matrix users.
107            shared_no_users: nothing
108            # Action for portals which have other logged-in Matrix users.
109            shared_has_users: nothing
110        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
111        # Keys have the same meanings as in the manual section.
112        bad_credentials:
113            private: nothing
114            relayed: nothing
115            shared_no_users: nothing
116            shared_has_users: nothing
117
118    # Settings for relay mode
119    relay:
120        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
121        # authenticated user into a relaybot for that chat.
122        enabled: false
123        # Should only admins be allowed to set themselves as relay users?
124        # If true, non-admins can only set users listed in default_relays as relays in a room.
125        admin_only: true
126        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
127        default_relays: []
128        # The formats to use when sending messages via the relaybot.
129        # Available variables:
130        #   .Sender.UserID - The Matrix user ID of the sender.
131        #   .Sender.Displayname - The display name of the sender (if set).
132        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
133        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
134        #                               plus the user ID in parentheses if the displayname is not unique.
135        #                               If the displayname is not set, this is just the user ID.
136        #   .Message - The `formatted_body` field of the message.
137        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
138        #   .FileName - The name of the file being sent.
139        message_formats:
140            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
141            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
142            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
143            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
144            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
145            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
146            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
147            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
148        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
149        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
150        # Note that you need to manually remove the displayname from message_formats above.
151        displayname_format: "{{ .DisambiguatedName }}"
152
153    # Permissions for using the bridge.
154    # Permitted values:
155    #    relay - Talk through the relaybot (if enabled), no access otherwise
156    # commands - Access to use commands in the bridge, but not login.
157    #     user - Access to use the bridge with puppeting.
158    #    admin - Full access, user level with some additional administration tools.
159    # Permitted keys:
160    #        * - All Matrix users
161    #   domain - All users on that homeserver
162    #     mxid - Specific user
163    permissions:
164        "*": relay
165        "example.com": user
166        "@admin:example.com": admin
167
168# Config for the bridge's database.
169database:
170    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
171    type: postgres
172    # The database URI.
173    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
174    #           https://github.com/mattn/go-sqlite3#connection-string
175    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
176    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
177    uri: postgres://user:password@host/database?sslmode=disable
178    # Maximum number of connections.
179    max_open_conns: 5
180    max_idle_conns: 1
181    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
182    # Parsed with https://pkg.go.dev/time#ParseDuration
183    max_conn_idle_time: null
184    max_conn_lifetime: null
185
186# Homeserver details.
187homeserver:
188    # The address that this appservice can use to connect to the homeserver.
189    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
190    # but https also works if they run on different machines.
191    address: http://example.localhost:8008
192    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
193    domain: example.com
194
195    # What software is the homeserver running?
196    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
197    software: standard
198    # The URL to push real-time bridge status to.
199    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
200    # The bridge will use the appservice as_token to authorize requests.
201    status_endpoint:
202    # Endpoint for reporting per-message status.
203    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
204    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
205    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
206    # The bridge will use the appservice as_token to authorize requests.
207    message_send_checkpoint_endpoint:
208    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
209    async_media: false
210
211    # Should the bridge use a websocket for connecting to the homeserver?
212    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
213    # mautrix-asmux (deprecated), and hungryserv (proprietary).
214    websocket: false
215    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
216    ping_interval_seconds: 0
217
218# Application service host/registration related details.
219# Changing these values requires regeneration of the registration (except when noted otherwise)
220appservice:
221    # The address that the homeserver can use to connect to this appservice.
222    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
223    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
224    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
225    address: http://localhost:29328
226    # A public address that external services can use to reach this appservice.
227    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
228    # This value doesn't affect the registration file.
229    public_address: https://bridge.example.com
230
231    # The hostname and port where this appservice should listen.
232    # For Docker, you generally have to change the hostname to 0.0.0.0.
233    hostname: 127.0.0.1
234    port: 29328
235
236    # The unique ID of this appservice.
237    id: signal
238    # Appservice bot details.
239    bot:
240        # Username of the appservice bot.
241        username: signalbot
242        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
243        # to leave display name/avatar as-is.
244        displayname: Signal bridge bot
245        avatar: mxc://maunium.net/wPJgTQbZOtpBFmDNkiNEMDUp
246
247    # Whether to receive ephemeral events via appservice transactions.
248    ephemeral_events: true
249    # Should incoming events be handled asynchronously?
250    # This may be necessary for large public instances with lots of messages going through.
251    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
252    # This value doesn't affect the registration file.
253    async_transactions: false
254
255    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
256    as_token: "This value is generated when generating the registration"
257    hs_token: "This value is generated when generating the registration"
258
259    # Localpart template of MXIDs for remote users.
260    # {{.}} is replaced with the internal ID of the user.
261    username_template: signal_{{.}}
262
263# Config options that affect the Matrix connector of the bridge.
264matrix:
265    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
266    message_status_events: false
267    # Whether the bridge should send a read receipt after successfully bridging a message.
268    delivery_receipts: false
269    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
270    message_error_notices: true
271    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
272    sync_direct_chat_list: true
273    # Whether created rooms should have federation enabled. If false, created portal rooms
274    # will never be federated. Changing this option requires recreating rooms.
275    federate_rooms: true
276    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
277    # rather than keeping the whole file in memory.
278    upload_file_threshold: 5242880
279    # Should the bridge set additional custom profile info for ghosts?
280    # This can make a lot of requests, as there's no batch profile update endpoint.
281    ghost_extra_profile_info: false
282
283# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
284analytics:
285    # API key to send with tracking requests. Tracking is disabled if this is null.
286    token: null
287    # Address to send tracking requests to.
288    url: https://api.segment.io/v1/track
289    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
290    user_id: null
291
292# Settings for provisioning API
293provisioning:
294    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
295    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
296    shared_secret: generate
297    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
298    # This follows the same rules as double puppeting to determine which server to contact to check the token,
299    # which means that by default, it only works for users on the same server as the bridge.
300    allow_matrix_auth: true
301    # Enable debug API at /debug with provisioning authentication.
302    debug_endpoints: false
303    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
304    # auth before passing live network client credentials down in the response.
305    enable_session_transfers: false
306
307# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
308# These settings control whether the bridge will provide such public media access.
309public_media:
310    # Should public media be enabled at all?
311    # The public_address field under the appservice section MUST be set when enabling public media.
312    enabled: false
313    # A key for signing public media URLs.
314    # If set to "generate", a random key will be generated.
315    signing_key: generate
316    # Number of seconds that public media URLs are valid for.
317    # If set to 0, URLs will never expire.
318    expiry: 0
319    # Length of hash to use for public media URLs. Must be between 0 and 32.
320    hash_length: 32
321    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
322    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
323    path_prefix: /_mautrix/publicmedia
324    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
325    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
326    # The hash_length field will be used to decide the length of the generated URL.
327    # This also allows invalidating URLs by deleting the database entry.
328    use_database: false
329
330# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
331# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
332direct_media:
333    # Should custom mxc:// URIs be used instead of reuploading media?
334    enabled: false
335    # The server name to use for the custom mxc:// URIs.
336    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
337    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
338    server_name: discord-media.example.com
339    # Optionally a custom .well-known response. This defaults to `server_name:443`
340    well_known_response:
341    # Optionally specify a custom prefix for the media ID part of the MXC URI.
342    media_id_prefix:
343    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
344    # media download redirects if the requester supports it. Optionally, you can force redirects
345    # and not allow proxying at all by setting this to false.
346    # This option does nothing if the remote network does not support media downloads over HTTP.
347    allow_proxy: true
348    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
349    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
350    server_key: generate
351
352# Settings for backfilling messages.
353# Note that the exact way settings are applied depends on the network connector.
354# See https://docs.mau.fi/bridges/general/backfill.html for more details.
355backfill:
356    # Whether to do backfilling at all.
357    enabled: false
358    # Maximum number of messages to backfill in empty rooms.
359    max_initial_messages: 50
360    # Maximum number of missed messages to backfill after bridge restarts.
361    max_catchup_messages: 500
362    # If a backfilled chat is older than this number of hours,
363    # mark it as read even if it's unread on the remote network.
364    unread_hours_threshold: 720
365    # Settings for backfilling threads within other backfills.
366    threads:
367        # Maximum number of messages to backfill in a new thread.
368        max_initial_messages: 50
369    # Settings for the backwards backfill queue. This only applies when connecting to
370    # Beeper as standard Matrix servers don't support inserting messages into history.
371    queue:
372        # Should the backfill queue be enabled?
373        enabled: false
374        # Number of messages to backfill in one batch.
375        batch_size: 100
376        # Delay between batches in seconds.
377        batch_delay: 20
378        # Maximum number of batches to backfill per portal.
379        # If set to -1, all available messages will be backfilled.
380        max_batches: -1
381        # Optional network-specific overrides for max batches.
382        # Interpretation of this field depends on the network connector.
383        max_batches_override: {}
384
385# Settings for enabling double puppeting
386double_puppet:
387    # Servers to always allow double puppeting from.
388    # This is only for other servers and should NOT contain the server the bridge is on.
389    servers:
390        anotherserver.example.org: https://matrix.anotherserver.example.org
391    # Whether to allow client API URL discovery for other servers. When using this option,
392    # users on other servers can use double puppeting even if their server URLs aren't
393    # explicitly added to the servers map above.
394    allow_discovery: false
395    # Shared secrets for automatic double puppeting.
396    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
397    secrets:
398        example.com: as_token:foobar
399
400# End-to-bridge encryption support options.
401#
402# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
403encryption:
404    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
405    allow: false
406    # Whether to force-enable encryption in all bridged rooms.
407    default: false
408    # Whether to require all messages to be encrypted and drop any unencrypted messages.
409    require: false
410    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
411    # This option is not yet compatible with standard Matrix servers like Synapse and should not be used.
412    # Changing this option requires updating the appservice registration file.
413    appservice: false
414    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
415    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
416    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
417    # Changing this option requires updating the appservice registration file.
418    msc4190: false
419    # Whether to encrypt reactions and reply metadata as per MSC4392.
420    msc4392: false
421    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
422    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
423    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
424    self_sign: false
425    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
426    # You must use a client that supports requesting keys from other users to use this feature.
427    allow_key_sharing: true
428    # Pickle key for encrypting encryption keys in the bridge database.
429    # If set to generate, a random key will be generated.
430    pickle_key: generate
431    # Options for deleting megolm sessions from the bridge.
432    delete_keys:
433        # Beeper-specific: delete outbound sessions when hungryserv confirms
434        # that the user has uploaded the key to key backup.
435        delete_outbound_on_ack: false
436        # Don't store outbound sessions in the inbound table.
437        dont_store_outbound: false
438        # Ratchet megolm sessions forward after decrypting messages.
439        ratchet_on_decrypt: false
440        # Delete fully used keys (index >= max_messages) after decrypting messages.
441        delete_fully_used_on_decrypt: false
442        # Delete previous megolm sessions from same device when receiving a new one.
443        delete_prev_on_new_session: false
444        # Delete megolm sessions received from a device when the device is deleted.
445        delete_on_device_delete: false
446        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
447        periodically_delete_expired: false
448        # Delete inbound megolm sessions that don't have the received_at field used for
449        # automatic ratcheting and expired session deletion. This is meant as a migration
450        # to delete old keys prior to the bridge update.
451        delete_outdated_inbound: false
452    # What level of device verification should be required from users?
453    #
454    # Valid levels:
455    #   unverified - Send keys to all device in the room.
456    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
457    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
458    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
459    #                           Note that creating user signatures from the bridge bot is not currently possible.
460    #   verified - Require manual per-device verification
461    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
462    verification_levels:
463        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
464        receive: unverified
465        # Minimum level that the bridge should accept for incoming Matrix messages.
466        send: unverified
467        # Minimum level that the bridge should require for accepting key requests.
468        share: cross-signed-tofu
469    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
470    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
471    rotation:
472        # Enable custom Megolm room key rotation settings. Note that these
473        # settings will only apply to rooms created after this option is set.
474        enable_custom: false
475        # The maximum number of milliseconds a session should be used
476        # before changing it. The Matrix spec recommends 604800000 (a week)
477        # as the default.
478        milliseconds: 604800000
479        # The maximum number of messages that should be sent with a given a
480        # session before changing it. The Matrix spec recommends 100 as the
481        # default.
482        messages: 100
483        # Disable rotating keys when a user's devices change?
484        # You should not enable this option unless you understand all the implications.
485        disable_device_change_key_rotation: false
486
487# Prefix for environment variables. All variables with this prefix must map to valid config fields.
488# Nesting in variable names is represented with a dot (.).
489# If there are no dots in the name, two underscores (__) are replaced with a dot.
490#
491# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
492# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
493#
494# If this is null, reading config fields from environment will be disabled.
495env_config_prefix: null
496
497# Logging config. See https://github.com/tulir/zeroconfig for details.
498logging:
499    min_level: debug
500    writers:
501        - type: stdout
502          format: pretty-colored
503        - type: file
504          format: json
505          filename: ./logs/bridge.log
506          max_size: 100
507          max_backups: 10
508          compress: false