Try to fix synapse app

apps/synapse/app.yml

@@ -0,0 +1,41 @@
+# SPDX-FileCopyrightText: 2022 Citadel and contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# yaml-language-server: $schema=../../app-standard-v1.json
+
+version: 1
+metadata:
+  category: Social
+  name: Synapse
+  version: 1.51.0
+  tagline: Matrix homeserver
+  description: >-
+        Description is coming soon.
+  developer: Matrix
+  website: https://matrix.org
+  dependencies: []
+  repo: https://github.com/matrix-org/synapse
+  support: https://matrix.to/#/#synapse:matrix.org
+  gallery:
+    - 1.jpg
+    - 2.jpg
+    - 3.jpg
+  torOnly: false
+containers:
+  - image: matrixdotorg/synapse:v1.51.0@sha256:26381613731f0f720bdaa311d0966096ee3e94df994fd15d01bdadda5a042f7f
+    entrypoint: bash
+    command: -c './start.py generate && ./start.py migrate_config && exec ./start.py'
+    environment:
+      UID: "1000"
+      GID: "1000"
+      SYNAPSE_HTTP_PORT: ${APP_SYNAPSE_SERVER_PORT}
+      SYNAPSE_SERVER_NAME: ${APP_HIDDEN_SERVICE}
+      SYNAPSE_REPORT_STATS: "yes"
+      SYNAPSE_ENABLE_REGISTRATION: "yes"
+      SYNAPSE_NO_TLS: "yes"
+    name: server
+    data:
+      - data/synapse:/data
+    hiddenServicePorts:
+      matrix: 8008