FROM python:3.10-slim

WORKDIR /code

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Create necessary directories with proper permissions
RUN mkdir -p /code/static/uploads \
    && mkdir -p /code/logs \
    && mkdir -p /code/external/BodybuildingPoseClassifier \
    && mkdir -p /code/templates \
    && chown -R nobody:nogroup /code \
    && chmod -R 777 /code/static/uploads \
    && chmod -R 777 /code/logs \
    && chmod -R 777 /code/external \
    && chmod -R 777 /code/templates

# Copy the entire application first
COPY . .

# Set correct ownership and permissions after copying
RUN chown -R nobody:nogroup /code \
    && chmod -R 777 /code/static/uploads \
    && chmod -R 777 /code/logs \
    && chmod -R 777 /code/external \
    && chmod -R 777 /code/templates

# Verify model file exists and has correct permissions
RUN ls -la /code/external/BodybuildingPoseClassifier/ && \
    chmod 644 /code/external/BodybuildingPoseClassifier/bodybuilding_pose_classifier.h5

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV FLASK_APP=app.py
ENV TF_CPP_MIN_LOG_LEVEL=2

# Expose the port
EXPOSE 7860

# Run the application as non-root user
USER nobody

# Run the application
CMD ["python", "app.py"]