FROM postgres:16

# Install build dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    postgresql-server-dev-16 \
    && rm -rf /var/lib/apt/lists/*

# Install pg_vector extension with compatibility fixes for ARM64
RUN git clone https://github.com/pgvector/pgvector.git && \
    cd pgvector && \
    git checkout v0.5.1 && \
    make OPTFLAGS="" && \
    make install

# Add initialization scripts
COPY ./backend/scripts/init-vector.sql /docker-entrypoint-initdb.d/

# Set environment variables
ENV POSTGRES_DB=replypier
ENV POSTGRES_USER=postgres
ENV POSTGRES_PASSWORD=postgres

# Set PostgreSQL configuration for better stability with pgvector
RUN echo "shared_preload_libraries = 'vector'" >> /usr/share/postgresql/postgresql.conf.sample
RUN echo "max_connections = 200" >> /usr/share/postgresql/postgresql.conf.sample
RUN echo "shared_buffers = 256MB" >> /usr/share/postgresql/postgresql.conf.sample

# Expose PostgreSQL port
EXPOSE 5432