Dockerfile

# Copyright (c) 2026 Jan Van Herck
# GitHub: https://github.com/jvherck

# Multi-stage build for optimal image size
FROM python:3.14-slim as builder

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    libffi-dev \
    && rm -rf /var/lib/apt/lists/*

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

# Production stage
FROM python:3.14-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Create non-root user
RUN useradd -m -u 1000 botuser && \
    mkdir -p /app/logs /app/data && \
    chown -R botuser:botuser /app

# Set working directory
WORKDIR /app

# Copy Python dependencies from builder
COPY --from=builder /root/.local /home/botuser/.local

# Copy application code
COPY --chown=botuser:botuser bot/ ./bot/
COPY --chown=botuser:botuser main.py .
COPY --chown=botuser:botuser pyproject.toml .

# Switch to non-root user
USER botuser

# Add local bin to PATH
ENV PATH=/home/botuser/.local/bin:$PATH

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD python -c "import sys; sys.exit(0)" || exit 1

# Run the bot
CMD ["python", "main.py"]