FROM python:3.14-alpine

# Set working directory
WORKDIR /app

# Copy requirements first for better caching
COPY backend/requirements.txt /app/requirements.txt

# Install TA-Lib C library and build dependencies, then install Python dependencies and clean up
RUN apk add --no-cache --virtual .build-deps \
    gcc \
    g++ \
    make \
    musl-dev \
    wget \
    tar \
    cargo \
    rust \
    && wget 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 \
    && pip install --no-cache-dir -r requirements.txt \
    && apk del .build-deps \
    && rm -rf /var/cache/apk/* /root/.cache /root/.cargo /root/.rustup

# Copy application code
COPY backend/src /app/src

# Expose port
EXPOSE 8000

# Run the application
CMD ["python", "-m", "uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000"]