3 RUN apt-get update && apt-get install -y --no-install-recommends \
5 libxml-treebuilder-perl \
14 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
16 RUN arch=$(arch | sed s/aarch64/arm64/ | sed s/x86_64/amd64/) \
17 && curl -fsSL https://github.com/StackExchange/dnscontrol/releases/download/v3.20.0/dnscontrol-3.20.0.${arch}.deb -o /tmp/dnscontrol.deb \
18 && apt install /tmp/dnscontrol.deb -y