Merge pull request '🐛 Fix that known_hosts are discarded on container update' (!77) from nodered-known_hosts into master

Reviewed-on: https://gitea.n39.eu/Netz39_Admin/netz39-infra-ansible/pulls/77
Reviewed-by: dkdent <dkdent@netz39.de>

radon.yml

@@ -89,6 +89,9 @@
           - 127.0.0.1:9002:1880
         volumes:
           - "{{ nodered_data }}/data:/data"
+          # Mount the .ssh/known_hosts, otherwise the host must be confirmed
+          # (via docker exec) every time the container is updated.
+          - "{{ nodered_data }}/known_hosts:/usr/src/node-red/.ssh/known_hosts:rw"
         detach: yes
         keep_volumes: yes
         restart_policy: unless-stopped