FROM python:3.13-alpine

WORKDIR /app

# Install dependencies
RUN apk add --no-cache \
    rrdtool \
    rrdtool-dev \
    gcc \
    musl-dev \
    python3-dev \
    libffi-dev \
    openssl-dev \
    wget

# Copy requirements first (better caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .
COPY config.py .
COPY collector.py .
COPY rrd_manager.py .

# Copy static files and templates
COPY static/ ./static/
COPY templates/ ./templates/

# Create RRD directory
RUN mkdir -p /data/rrd

ENV LISTEN_PORT=8080
EXPOSE $LISTEN_PORT

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