check borgmatic and rsnapshot configurations

docker-compose.borgmatic.yml

@@ -3,7 +3,6 @@ services:
         container_name: borgmatic
         environment:
         - TZ=Europe/Amsterdam
-        - BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=yes
         image: b3vis/borgmatic:v1.1.10-1.4.21
         privileged: true
         restart: unless-stopped
@@ -13,8 +12,7 @@ services:
         - /opt/borgmatic/keys:/keys
         - /opt/borgmatic/cache:/cache
         - /opt/borgmatic/log:/log
-        - /root/.ssh:/root/.ssh
+        - /root/.ssh:/root/.ssh:ro
         - /mnt/yotta/xenon/borg:/repo
-        - /mnt/yotta/xenon/manual:/manual
-        - /:/shuttle
+        - /:/shuttle:ro
         - /dev/fuse:/dev/fuse