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# Stage 1: Build
FROM python:3.11.10-slim-bullseye AS build

WORKDIR /app

# Install system dependencies and ensure system libraries are updated (e.g., glibc)
RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y gcc libpq-dev && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

# Copy PGSync source code
COPY \
    pgsync/__init__.py \
    pgsync/base.py \
    pgsync/constants.py \
    pgsync/exc.py \
    pgsync/helper.py \
    pgsync/node.py \
    pgsync/plugin.py \
    pgsync/querybuilder.py \
    pgsync/redisqueue.py \
    pgsync/search_client.py \
    pgsync/settings.py \
    pgsync/singleton.py \
    pgsync/sync.py \
    pgsync/transform.py \
    pgsync/trigger.py \
    pgsync/urls.py \
    pgsync/utils.py \
    pgsync/view.py /app/pgsync/

COPY requirements/base.txt /app/requirements/
COPY README.rst README.md LICENSE setup.cfg setup.py /app/
COPY bin/bootstrap bin/parallel_sync bin/pgsync /app/bin/
COPY \
    scripts/pg_replication_slots.sh \
    scripts/pg_locks.sh \
    scripts/pg_temp_tables.sh \
    scripts/migrate_schema_v2 /app/scripts/

# Install PGSync and dependencies
RUN pip install --no-cache-dir .

# Stage 2: Runtime
FROM python:3.11.10-slim-bullseye

RUN apt-get update && apt-get upgrade -y && apt-get clean && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Create non-root user
RUN useradd --no-create-home --shell /bin/false pgsync
USER pgsync

COPY --from=build /usr/local/lib/python3.11 /usr/local/lib/python3.11
COPY --from=build /usr/local/bin /usr/local/bin
COPY --from=build /app /app

# Add binaries to PATH
ENV PATH="/usr/local/bin:${PATH}"

# Entrypoint matches pgsync CLI behavior
ENTRYPOINT ["pgsync"]