# Sentiment Analysis Bot Docker Configuration
# Author: RSK World (https://rskworld.in)
# Founded by: Molla Samser
# Designer & Tester: Rima Khatun
# Contact: help@rskworld.in, +91 93305 39277
# Year: 2026

FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    FLASK_APP=app.py \
    FLASK_ENV=production

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Download spaCy model
RUN python -m spacy download en_core_web_sm

# Copy application code
COPY . .

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash app \
    && chown -R app:app /app
USER app

# Create necessary directories
RUN mkdir -p uploads logs

# Expose port
EXPOSE 5000

# Install curl for health check
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:5000/api/health || exit 1

# Run the application
CMD ["gunicorn", "--workers", "4", "--bind", "0.0.0.0:5000", "--timeout", "120", "--access-logfile", "-", "--error-logfile", "-", "app:app"]