# Multi-stage build: compile pg_sorted_heap extension for CNPG PG18 image
# Stage 1: Build
FROM ghcr.io/cloudnative-pg/postgresql:18.1-202511240807-standard-trixie AS builder

USER root

# Install build dependencies (Debian trixie)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        build-essential \
        postgresql-server-dev-18 \
    && rm -rf /var/lib/apt/lists/*

# Copy extension source
COPY Makefile pg_sorted_heap.control /build/
COPY src/ /build/src/
COPY sql/ /build/sql/

WORKDIR /build

# Clean macOS .o files, then build for linux/arm64
RUN make clean PG_CONFIG=/usr/bin/pg_config && \
    make PG_CONFIG=/usr/bin/pg_config && \
    make install PG_CONFIG=/usr/bin/pg_config

# Stage 2: Final image (same CNPG base, add only built artifacts)
FROM ghcr.io/cloudnative-pg/postgresql:18.1-202511240807-standard-trixie

USER root

# Copy compiled extension from builder
COPY --from=builder /usr/lib/postgresql/18/lib/pg_sorted_heap.so \
     /usr/lib/postgresql/18/lib/pg_sorted_heap.so
COPY --from=builder /usr/share/postgresql/18/extension/pg_sorted_heap.control \
     /usr/share/postgresql/18/extension/pg_sorted_heap.control
COPY --from=builder /usr/share/postgresql/18/extension/pg_sorted_heap--*.sql \
     /usr/share/postgresql/18/extension/

USER 26