FROM postgres:16-alpine

# install packages
RUN apk add --no-cache make git shadow
RUN rm -fr /var/cache/apk/*

# install pgjwt
RUN git clone https://github.com/michelp/pgjwt.git /tmp/pgjwt
WORKDIR /tmp/pgjwt
RUN make install

# update postgres user
RUN groupmod --gid 1000 postgres
RUN usermod --uid 1000 postgres

# remove build packages
RUN apk del make git shadow

# fix workdir
WORKDIR /
USER postgres