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node-monitor/Dockerfile
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2025-06-11 00:01:10 +03:00

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Docker

# Use Debian-based Python 3.13 slim image
FROM python:3.13-slim-bookworm
# Set working directory
WORKDIR /app
# Install system dependencies for rrdtool
RUN apt-get update && apt-get install -y \
rrdtool \
librrd-dev \
build-essential \
python3-dev \
wget \
&& rm -rf /var/lib/apt/lists/*
# Copy requirements first for better Docker layer caching
COPY requirements.txt .
# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# Remove build dependencies to reduce image size
RUN apt-get purge -y build-essential python3-dev && \
apt-get autoremove -y && \
apt-get clean
# Copy application code
COPY app/ ./app/
# Create directory for RRD data at /data (will be volume mounted)
RUN mkdir -p /data
# Expose port
EXPOSE 8000
# Create non-root user for security
RUN useradd --create-home --shell /bin/bash appuser && \
chown -R appuser:appuser /app && \
chown -R appuser:appuser /data && \
chmod 777 /data
USER appuser
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8000/health || exit 1
# Run the application
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]