change dockerfile links, add tzdata to fulltext, migrate healthchecks to nc

Signed-off-by: Zoey <zoey@z0ey.de>

Containers/apache/Dockerfile

@@ -19,7 +19,6 @@ RUN set -ex; \
         openssl \
         netcat \
         dpkg-dev \
-        curl \
     ; \
     rm -rf /var/lib/apt/lists/*
 

Containers/apache/healthcheck.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 nc -z "$NEXTCLOUD_HOST" 9000 || exit 0
-curl -skfI localhost:8000 || exit 1
+nc -z localhost 8000 || exit 1
 if [ "$APACHE_PORT" != '443' ]; then
     nc -z localhost "$APACHE_PORT" || exit 1
 else