3 RUN apt-get update && apt-get install -y --no-install-recommends \
5 libxml-treebuilder-perl \
13 RUN curl -fsSL https://github.com/StackExchange/dnscontrol/releases/download/v3.9.0/dnscontrol-Linux -o /usr/local/bin/dnscontrol \
14 && chmod +x /usr/local/bin/dnscontrol \
15 && /usr/local/bin/dnscontrol version