FROM python:3.12-slim

ENV DEBIAN_FRONTEND=noninteractive \
    PYTHONUNBUFFERED=1

# Install Tesseract + all language packs + deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    tesseract-ocr-all \
    libtesseract-dev \
    libgl1 \
    poppler-utils \
    && rm -rf /var/lib/apt/lists/*

# Set workdir
WORKDIR /app

# Copy requirements first (for Docker caching)
COPY requirements.txt .

# Install Python deps
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy app
COPY . .

# Expose port
EXPOSE 7860

# Run API
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]