FROM almalinux:9-base

# Install PostgreSQL 16 using built-in module
RUN dnf -y update && \
    dnf -y module enable postgresql:{{postsgresql_version}} && \
    dnf -y install postgresql-server && \
    dnf clean all

# Create directory structure without initializing
RUN mkdir -p /var/lib/pgsql/data && \
    chown -R postgres:postgres /var/lib/pgsql && \
    chmod 700 /var/lib/pgsql/data

# Add entrypoint script
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

USER postgres
ENV PGDATA=/var/lib/pgsql/data
EXPOSE 5432

ENTRYPOINT ["/entrypoint.sh"]
CMD ["postgres", "-D", "/var/lib/pgsql/data"]