fix the hc

Signed-off-by: Simon L <szaimen@e.mail.de>

Containers/docker-socket-proxy/Dockerfile

@@ -6,6 +6,7 @@ RUN set -ex; \
     apk add --no-cache \
         ca-certificates \
         tzdata \
+        bash \
         bind-tools; \
     chmod -R 777 /tmp
 

Containers/docker-socket-proxy/healthcheck.sh

@@ -1,6 +1,4 @@
 #!/bin/bash
 
 nc -z "$NEXTCLOUD_HOST" 9000 || exit 0
-if ! nc -z localhost 2375; then
-    exit 1
-fi
+nc -z localhost 2375 || exit 1