Initial commit: Matrix deployment (Synapse, Element, Caddy, Postgres)

Docker-Compose-Setup mit Synapse, Element Web, Synapse-Admin,
Caddy als Reverse Proxy und Postgres. Secrets und Laufzeitdaten
sind via .gitignore ausgeschlossen; Beispiel-Configs mit
Platzhaltern liegen als *.example bei.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Y31cBx4B4b56LmzTA9wx76

synapse/homeserver.yaml.example

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+# Configuration file for Synapse.
+#
+# This is a YAML file: see [1] for a quick introduction. Note in particular
+# that *indentation is important*: all the elements of a list or dictionary
+# should have the same indentation.
+#
+# [1] https://docs.ansible.com/ansible/latest/reference_appendices/YAMLSyntax.html
+#
+# For more information on how to configure Synapse, including a complete accounting of
+# each option, go to docs/usage/configuration/config_documentation.md or
+# https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html
+server_name: "matrix.greif.life-maps.com"
+pid_file: /data/homeserver.pid
+listeners:
+  - port: 8008
+    resources:
+    - compress: false
+      names:
+      - client
+      - federation
+    tls: false
+    type: http
+    x_forwarded: true
+database:
+  name: psycopg2
+  args:
+    user: matrix
+    password: CHANGE_ME_DB_PASSWORD
+    database: synapse
+    host: db
+    cp_min: 5
+    cp_max: 10
+log_config: "/data/matrix.greif.life-maps.com.log.config"
+media_store_path: /data/media_store
+registration_shared_secret: "CHANGE_ME_REGISTRATION_SHARED_SECRET"
+report_stats: false
+macaroon_secret_key: "CHANGE_ME_MACAROON_SECRET_KEY"
+form_secret: "CHANGE_ME_FORM_SECRET"
+signing_key_path: "/data/matrix.greif.life-maps.com.signing.key"
+trusted_key_servers:
+  - server_name: "matrix.org"
+
+
+# vim:ft=yaml
+enable_registration: false
+federation_domain_whitelist: []
+allow_cors: true
+max_upload_size: 2147483648 # 2 GB
+max_request_size: 2147483648 # 2 GB

synapse/matrix.greif.life-maps.com.log.config

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+version: 1
+
+formatters:
+  precise:
+    
+    format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
+    
+
+handlers:
+
+
+  console:
+    class: logging.StreamHandler
+    formatter: precise
+
+loggers:
+    # This is just here so we can leave `loggers` in the config regardless of whether
+    # we configure other loggers below (avoid empty yaml dict error).
+    _placeholder:
+        level: "INFO"
+
+    
+    
+    synapse.storage.SQL:
+        # beware: increasing this to DEBUG will make synapse log sensitive
+        # information such as access tokens.
+        level: INFO
+    
+
+    
+
+root:
+    level: INFO
+
+
+    handlers: [console]
+
+
+disable_existing_loggers: false