Dockerfile to build varnish modules and vmod_dynamic

Dockerfile

# Build the dynamic and vsthrottle Varnish modules from source.

FROM ubuntu:20.04

ENV TZ=Etc/UTC
ENV VARNISH_VERSION 7.4

# Avoid tzdata terminal configuration that would halt the build
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

RUN apt-get update -qq
RUN apt-get install -y python3 python3-docutils python3-sphinx libpcre2-dev libreadline-dev autoconf make automake libtool git-core pkg-config libvarnishapi2

# libgetdns-dev needs to be installed for libvmod-dynamic configure script
# to pick it up and enable the resolver objects.
RUN apt-get install -y libgetdns-dev libgetdns10

RUN mkdir -p /app \
    && cd /app \
    && git clone https://github.com/varnishcache/varnish-cache \
    && cd varnish-cache \
    && git checkout ${VARNISH_VERSION} \
    && ./autogen.sh && ./configure --prefix=/usr \
    && make -j8 \
    && make install \
    && cp -p varnishapi.pc /usr/lib/pkgconfig/ \
    && cp -p varnish.m4 /usr/share/aclocal/

RUN mkdir -p /app \
    && cd /app \
    && git clone https://github.com/nigoroll/libvmod-dynamic \
    && cd libvmod-dynamic \
    &&  git checkout ${VARNISH_VERSION} \
    && ./autogen.sh \
    && ./configure --prefix=/usr \
    && make \
    && make install \
    && ls -l src/.libs/libvmod_dynamic.so

RUN mkdir -p /app \
    && cd /app \
    && git clone https://github.com/varnish/varnish-modules \
    && cd varnish-modules \
    && git checkout ${VARNISH_VERSION} \
    && ./bootstrap \
    && ./configure --prefix=/usr \
    && make \
    && make install \
    && ls -l src/.libs/libvmod_vsthrottle.so