Dockerfile.optimized

# syntax=docker/dockerfile:1

FROM python:3.11-slim

# Install system dependencies for OpenCV and RTSP streaming
RUN apt-get update && apt-get install -y --no-install-recommends \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    ffmpeg \
    ca-certificates \
  && rm -rf /var/lib/apt/lists/*

# Create non-root user for OpenShift compatibility
RUN useradd -m -u 10001 -s /bin/bash appuser

WORKDIR /app

# Copy and install Python dependencies with BuildKit cache mount
COPY app/requirements.txt /app/requirements.txt
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install --no-cache-dir -r /app/requirements.txt

# Copy model weights (changes infrequently)
COPY models /models
RUN chmod -R 755 /models

# Copy application code (changes most frequently - last layer for better caching)
COPY app /app

# Set ownership for non-root user
RUN chown -R appuser:appuser /app /models

# Drop to non-root user
USER appuser

# Environment variables
ENV PYTHONUNBUFFERED=1 \
    MODEL_PATH=/models/yolov8n.onnx \
    IMG=640 \
    CONF=0.5 \
    NMS=0.45

ENTRYPOINT ["python", "-u", "track.py"]