prepare docker image

Dockerfile

@@ -0,0 +1,27 @@
+FROM debian:latest
+
+LABEL Maintainer="Wolfgang Hottgenroth <woho@hottis.de>"
+
+ARG APP_DIR=/opt/app
+ARG VAR_DIR=$APP_DIR/var
+ARG DATA_DIR=$VAR_DIR/data
+ARG LOG_DIR=$VAR_DIR/log
+
+RUN \
+  mkdir -p $APP_DIR && \
+  mkdir -p $VAR_DIR && \
+  mkdir -p $DATA_DIR && \
+  mkdir -p $LOG_DIR && \
+  apt update && \
+  apt install -y bind9 && \
+  apt install -y python3 && \
+  apt install -y python3-pip && \
+  apt install -y python3-dnspython
+
+COPY ./server/ $APP_DIR
+
+EXPOSE 8023/tcp
+EXPOSE 8053/udp
+EXPOSE 8053/tcp
+
+VOLUME $VAR_DIR