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FROM python:3.9-slim
# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=development
ENV PATH="/home/appuser/.local/bin:$PATH"
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV FLASK_DEBUG=1
# Install system dependencies for OpenCV and other requirements
RUN apt-get update && apt-get install -y \
libgl1-mesa-glx \
libglib2.0-0 \
libsm6 \
libxext6 \
libxrender-dev \
tesseract-ocr \
wget \
&& rm -rf /var/lib/apt/lists/*
# Create a non-root user
RUN useradd -m appuser && mkdir -p /app /app/instance /app/models && chown -R appuser:appuser /app
# Set the working directory
WORKDIR /app
# Copy requirements and install dependencies
COPY --chown=appuser:appuser requirements.txt .
# Install dependencies with proper error handling
RUN pip install --no-cache-dir "numpy<2.0.0" && \
pip install --no-cache-dir -r requirements.txt && \
# Verify critical packages are installed
python -c "import flask, flask_sqlalchemy, redis, celery; print('All critical dependencies installed successfully')"
# Download YOLO files
RUN wget https://github.com/AlexeyAB/darknet/releases/download/darknet_yolo_v3_optimal/yolov4.weights -O /app/models/yolov4.weights && \
wget https://raw.githubusercontent.com/AlexeyAB/darknet/master/cfg/yolov4.cfg -O /app/models/yolov4.cfg && \
chown appuser:appuser /app/models/yolov4.*
# Create a health check script
RUN echo '#!/bin/sh\npython -c "import flask, flask_sqlalchemy, redis, celery; print(\"Dependencies OK\")"' > /app/healthcheck.sh
# Copy the application code
COPY --chown=appuser:appuser . .
# Create a debug script
RUN echo '#!/bin/bash\n\
echo "Starting app in debug mode..."\n\
python -m flask run --host=0.0.0.0 --port=5000 --debug\n\
' > /app/debug.sh && chmod +x /app/debug.sh
# Make scripts executable
RUN chmod +x /app/prestart.sh /app/healthcheck.sh /app/start.sh /app/debug.sh
# Switch to non-root user
USER appuser
# Expose the port
EXPOSE 5000
# Run the application in debug mode
CMD ["python", "-m", "flask", "run", "--host=0.0.0.0", "--port=5000", "--debug"] |