Dockerfile

# Dockerfile for Freqtrade Strategy Showcase on Hugging Face Spaces
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies required for TA-Lib and other packages
RUN apt-get update && apt-get install -y \
    build-essential \
    wget \
    curl \
    pkg-config \
    libffi-dev \
    libssl-dev \
    git \
    && rm -rf /var/lib/apt/lists/*

# Install TA-Lib from source (required for technical analysis)
RUN 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

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH="/app"
ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

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

# Copy application files
COPY app.py .
COPY user_data/ ./user_data/

# Create necessary directories
RUN mkdir -p /app/user_data/logs /app/user_data/data

# Set permissions
RUN chmod -R 755 /app

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860 || exit 1

# Expose the port that Gradio will run on
EXPOSE 7860

# Run the application
CMD ["python", "app.py"]