# TradeFinder Dockerfile
# Multi-stage build for engine and UI targets

# =============================================================================
# BASE IMAGE
# =============================================================================
FROM python:3.12-slim AS base

# System dependencies for TA-Lib and general build
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    wget \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install TA-Lib C library
RUN wget -q http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz \
    && tar -xzf ta-lib-0.4.0-src.tar.gz \
    && cd ta-lib \
    && ./configure --prefix=/usr \
    && make \
    && make install \
    && cd .. \
    && rm -rf ta-lib ta-lib-0.4.0-src.tar.gz

# Set working directory
WORKDIR /app

# Copy project files
COPY pyproject.toml README.md ./
COPY src/ ./src/

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -e ".[dev]"

# =============================================================================
# ENGINE TARGET (trading engine, backtester, optimizer)
# =============================================================================
FROM base AS engine

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash trader
RUN mkdir -p /data && chown -R trader:trader /data /app

USER trader

# Default command
CMD ["python", "-m", "tradefinder.core.main"]

# =============================================================================
# UI TARGET (Streamlit dashboard)
# =============================================================================
FROM base AS ui

# Install additional UI dependencies
RUN pip install --no-cache-dir streamlit plotly

# Create non-root user
RUN useradd --create-home --shell /bin/bash trader
RUN mkdir -p /data && chown -R trader:trader /data /app

USER trader

# Expose Streamlit port
EXPOSE 8501

# Default command
CMD ["streamlit", "run", "src/tradefinder/ui/app.py", "--server.port=8501", "--server.address=0.0.0.0"]