seems to work now

Dockerfile

@@ -15,6 +15,7 @@ RUN \
   mkdir -p $VAR_DIR && \
   mkdir -p $DATA_DIR && \
   mkdir -p $LOG_DIR && \
+  mkdir -p $LOG_DIR/actionlog && \
   mkdir -p $DYN_ZONES_DIR && \
   apt update && \
   apt install -y bind9 && \
@@ -24,7 +25,8 @@ RUN \
   apt install -y dnsutils && \
   apt install -y vim.tiny && \
   apt install -y procps && \
-  /usr/sbin/tsig-keygen local. > /etc/bind/local.key && \
+  apt install -y less && \
+  apt install -y netcat && \
   echo "include \"/etc/bind/local.key\";" >> /etc/bind/named.conf && \
   echo "include \"/etc/bind/dynamic/dynamic-zones.conf\";" >> /etc/bind/named.conf && \
   echo "include \"/etc/bind/named.conf.logging\";" >> /etc/bind/named.conf 
@@ -33,19 +35,15 @@ COPY ./server/ $APP_DIR
 COPY ./bind/named.conf.logging $BIND_DIR
 COPY ./bind/dynamic-zones.conf $DYN_ZONES_DIR
 COPY ./bind/dynamic.hottis.de $DYN_ZONES_DIR
-
-RUN \
-  cat /etc/bind/local.key && \
-  KEY=`cat /etc/bind/local.key | awk -F\" '/secret/ {print $2}'` && \
-  echo $KEY && \
-  sed -i "s,KEYVALUE,$KEY," $APP_DIR/yadyn
+COPY ./yadynns.sh $APP_DIR
 
 EXPOSE 8023/tcp
 EXPOSE 8053/udp
-EXPOSE 53/udp
 EXPOSE 53/tcp
 
 VOLUME $VAR_DIR
 VOLUME $DYN_ZONES_DIR
 
+WORKDIR $APP_DIR 
+CMD ./yadynns.sh