# Dockerfile for ARM/Raspberry Pi using pre-built wheels only
# No compilation required - downloads pre-built binaries
FROM python:3.13-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    TZ=Europe/Berlin \
    PIP_ONLY_BINARY=:all: \
    PIP_PREFER_BINARY=1

# Install only essential runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    tzdata \
    && rm -rf /var/lib/apt/lists/* \
    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
    && echo $TZ > /etc/timezone

# Set working directory
WORKDIR /app

# Copy requirements file
COPY requirements.txt ./

# Try to install from wheels only first, fall back to allowing some source packages if needed
# This approach tries pre-built wheels first, which works for most packages
RUN pip install --no-cache-dir --only-binary :all: --upgrade pip && \
    pip install --no-cache-dir \
        --only-binary numpy,pandas,scipy,scikit-learn,pydantic-core,httptools,uvloop,watchfiles \
        -r requirements.txt || \
    pip install --no-cache-dir \
        --prefer-binary \
        --no-build-isolation \
        fastapi==0.104.1 \
        uvicorn==0.24.0 \
        httpx==0.25.2 \
        icalendar==5.0.11 \
        jinja2==3.1.2 \
        apscheduler==3.10.4 \
        pytz==2023.3 \
        python-multipart==0.0.6 \
        pydantic==2.5.0 \
        starlette==0.27.0 \
        h11==0.14.0 \
        click==8.1.7 \
        anyio==4.1.0 \
        sniffio==1.3.0 \
        typing-extensions==4.8.0

# Copy application files
COPY main.py .
COPY Vektor-Logo.svg ./

# Create static directory and copy logo
RUN mkdir -p static && \
    cp Vektor-Logo.svg static/logo.svg

# Expose port
EXPOSE 8000

# Run the application with basic uvicorn (no uvloop)
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--loop", "asyncio"]