Add initial PowerDNS code

Signed-off-by: Jacob Kiers <code@kiers.eu>

cloudron-powerdns/Dockerfile

@@ -0,0 +1,18 @@
+FROM cloudron/base:4.2.0@sha256:46da2fffb36353ef714f97ae8e962bd2c212ca091108d768ba473078319a47f4
+
+EXPOSE 8080 53
+
+RUN apt-get install pdns-server pdns-backend-sqlite3 && \
+    mkdir -p /app/pkg/dist && \
+    curl --proto '=https' --tlsv1.2 -sSfL \https://github.com/james-stevens/powerdns-webui/raw/2d1a8c5a305f0534d49bf2c8be9a329458ae2fd6/htdocs/index.html \
+        -o /app/pkg/static/index.html
+
+RUN sed -e 's,^logfile=.*$,logfile=/run/supervisord.log,' -i /etc/supervisor/supervisord.conf
+ADD setup/config/ /etc
+
+COPY start.sh /app/pkg/
+COPY setup/data /app/pkg/data
+
+WORKDIR /app/data
+
+CMD [ "/app/pkg/start.sh" ]