# Multi-stage build for PostgreSQL with pgvector and Apache AGE
# Based on official Apache AGE Dockerfile from https://github.com/apache/age/tree/master/docker

FROM postgres:15 AS build

# Install all necessary build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    bison \
    build-essential \
    flex \
    postgresql-server-dev-15 \
    git \
    curl \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Build pgvector
WORKDIR /tmp/pgvector
RUN git -c http.sslVerify=false clone --depth 1 https://github.com/pgvector/pgvector.git . && \
    make && make install

# Build Apache AGE
WORKDIR /tmp/age
RUN git -c http.sslVerify=false clone --branch PG15/v1.5.0-rc0 --depth 1 https://github.com/apache/age.git . && \
    make PG_CONFIG=/usr/lib/postgresql/15/bin/pg_config && \
    make PG_CONFIG=/usr/lib/postgresql/15/bin/pg_config install

# Final stage: Create minimal image with both extensions
FROM postgres:15

# Install runtime locales (required for AGE)
RUN apt-get update && apt-get install -y --no-install-recommends locales && \
    rm -rf /var/lib/apt/lists/* && \
    echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
    locale-gen && \
    update-locale LANG=en_US.UTF-8

ENV LANG=en_US.UTF-8
ENV LC_COLLATE=en_US.UTF-8
ENV LC_CTYPE=en_US.UTF-8

# Copy compiled pgvector extension
COPY --from=build /usr/lib/postgresql/15/lib/vector.so /usr/lib/postgresql/15/lib/
COPY --from=build /usr/share/postgresql/15/extension/vector* /usr/share/postgresql/15/extension/

# Copy compiled Apache AGE extension
COPY --from=build /usr/lib/postgresql/15/lib/age.so /usr/lib/postgresql/15/lib/
COPY --from=build /usr/share/postgresql/15/extension/age--*.sql /usr/share/postgresql/15/extension/
COPY --from=build /usr/share/postgresql/15/extension/age.control /usr/share/postgresql/15/extension/

# Verify extensions are in place
RUN ls -la /usr/lib/postgresql/15/lib/vector.so && \
    ls -la /usr/lib/postgresql/15/lib/age.so && \
    ls -la /usr/share/postgresql/15/extension/vector.control && \
    ls -la /usr/share/postgresql/15/extension/age.control

# Start PostgreSQL with AGE shared library loaded
CMD ["postgres", "-c", "shared_preload_libraries=age"]