repair health check for kopano-webapp and kopano-meet (#344)

* json output in the healtcheck is hard to read

Signed-off-by: Felix Bartels <felix@host-consultants.de>

* fix meet health check after moving json to /tmp

Signed-off-by: Felix Bartels <felix@host-consultants.de>

* fix webapp health check

Signed-off-by: Felix Bartels <felix@host-consultants.de>

webapp/Dockerfile

@@ -82,4 +82,4 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 CMD [ "/kopano/start.sh" ]
 
 HEALTHCHECK --interval=1m --timeout=10s \
-    CMD goss -g /goss/goss.yaml validate --format json_oneline
+    CMD goss -g /goss/goss.yaml validate

webapp/goss.yaml

@@ -1,12 +1,9 @@
 file:
   /run/sessions:
     exists: true
-    mode: "0755"
-    size: 4096
     owner: www-data
     group: www-data
     filetype: directory
-    contains: []
   /usr/lib/php/20180731/mapi.so:
     exists: true
     mode: "0644"