Actually build and install nginx-dav-ext-module.

Dockerfile

@@ -1,7 +1,12 @@
 FROM nginx
 
-ADD nginx-dav-ext-module /
-RUN cd nginx-dav-ext-module && ls
+ADD nginx-dav-ext-module /modules/nginx-dav-ext-module
+ADD nginx-get-options /usr/local/bin
+RUN echo 'deb-src [trusted=yes] https://nginx.org/packages/mainline/debian/ bookworm nginx' > /etc/apt/sources.list.d/nginx.list
+RUN DEV_PACKAGES="build-essential dpkg-dev libpcre2-dev libssl-dev zlib1g-dev libxslt1-dev" && \
+    cd modules && apt update && apt install -y $DEV_PACKAGES && apt source nginx && cd nginx-${NGINX_VERSION} && \
+    ./configure $(nginx-get-options) --add-dynamic-module=../nginx-dav-ext-module && make && cp objs/*.so /etc/nginx/modules && \
+    rm /etc/apt/sources.list.d/nginx.list && apt remove -y $DEV_PACKAGES && apt -y autoremove && cd / && rm -rf modules
 
 ENV VOUCH_INTERNAL=vouch:9090
 ADD nginx.conf.template /