Dockerfile

# 🐳 OpenLucky Docker Configuration
# Multi-stage build for optimized image size

# Build stage
FROM python:3.11-slim as builder

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

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

# Create and activate virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Production stage
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PATH="/opt/venv/bin:$PATH"

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy virtual environment from builder stage
COPY --from=builder /opt/venv /opt/venv

# Create app directory and user
RUN groupadd -r appgroup && useradd -r -g appgroup appuser
WORKDIR /app

# Copy application files
COPY --chown=appuser:appgroup *.py ./
COPY --chown=appuser:appgroup *.md ./
COPY --chown=appuser:appgroup config.ini.template ./
COPY --chown=appuser:appgroup docs/ ./docs/

# Create data directory
RUN mkdir -p /app/data && chown -R appuser:appgroup /app/data

# Switch to non-root user
USER appuser

# Create volume mount points
VOLUME ["/app/data", "/app/config.ini"]

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('https://www.okx.com/api/v5/public/time', timeout=5)" || exit 1

# Expose port (if needed for future web interface)
EXPOSE 8080

# Default command
CMD ["python", "main.py"]