synapse/contrib/systemd/log_config.yaml

version: 1

# In systemd's journal, loglevel is implicitly stored, so let's omit it
# from the message text.
formatters:
    journal_fmt:
        format: '%(name)s: [%(request)s] %(message)s'

filters:
    context:
        (): synapse.util.logcontext.LoggingContextFilter
        request: ""

handlers:
    journal:
        class: systemd.journal.JournalHandler
        formatter: journal_fmt
        filters: [context]
        SYSLOG_IDENTIFIER: synapse

root:
    level: INFO
    handlers: [journal]

disable_existing_loggers: False