# Stage 1: build dependencies
FROM python:3.11-slim AS builder

WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    default-libmysqlclient-dev \
    pkg-config \
    && rm -rf /var/lib/apt/lists/*

# Pre-download wheels to avoid recompiling bcrypt from source
RUN pip install --no-cache-dir --prefix=/install \
    'bcrypt==4.0.1' \
    'cffi>=2.0' \
    'pycparser>=2.0'

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --prefix=/install -r requirements.txt

# Stage 2: slim runtime
FROM python:3.11-slim

WORKDIR /app

# Install runtime dependencies only (no build tools)
RUN apt-get update && apt-get install -y \
    default-libmysqlclient-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy installed packages from builder
COPY --from=builder /install /usr/local

# Copy application code
COPY app/ ./app/
COPY requirements.txt ./

# Make entrypoint
COPY entrypoint.sh .
RUN chmod +x entrypoint.sh

EXPOSE 8000
ENTRYPOINT ["./entrypoint.sh"]