FROM python:3.10

# Set working directory
WORKDIR /app

# Install system dependencies for GRIB processing
RUN apt-get update && apt-get install -y \
    libeccodes0 \
    libeccodes-dev \
    libeccodes-tools \
    libnetcdf-dev \
    libhdf5-dev \
    libproj-dev \
    proj-bin \
    proj-data \
    wget \
    curl \
    build-essential \
    gcc \
    gfortran \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create temp directory for wave data
RUN mkdir -p /tmp/wave_data

# Set environment variables
ENV PYTHONPATH=/app
ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

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