FROM postgres:14

RUN apt-get update
RUN apt-get install -y build-essential
RUN apt-get install -y postgresql-server-dev-14
COPY rdns.c Makefile rdns.control rdns--1.0.sql /usr/src/rdns/
RUN cd /usr/src/rdns/; \
  make; \
  make install; \
  echo "shared_preload_libraries = 'rdns'" >> $PGDATA/postgresql.conf;