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FROM python:3.11-slim
# Set environment variables
ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
ENV_MODE="production" \
PYTHONPATH=/app \
REDIS_URL="redis://localhost:6379/0"
WORKDIR /app
# Install system dependencies including Redis
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
curl \
redis-server \
&& rm -rf /var/lib/apt/lists/*
# Configure Redis
RUN sed -i 's/bind 127.0.0.1 ::1/bind 0.0.0.0/' /etc/redis/redis.conf && \
sed -i 's/protected-mode yes/protected-mode no/' /etc/redis/redis.conf && \
sed -i 's/daemonize yes/daemonize no/' /etc/redis/redis.conf
# Create non-root user and set up directories
RUN useradd -m -u 1000 appuser && \
mkdir -p /app/logs && \
chown -R appuser:appuser /app && \
chown -R appuser:appuser /var/lib/redis && \
chown -R appuser:appuser /var/log/redis && \
chown -R appuser:appuser /etc/redis
# Install Python dependencies
COPY --chown=appuser:appuser requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt gunicorn
# Switch to non-root user
USER appuser
# Copy application code
COPY --chown=appuser:appuser . .
# Expose the port the app runs on
EXPOSE 7860 6379
# Calculate optimal worker count based on 16 vCPUs
# Using (2*CPU)+1 formula for CPU-bound applications
ENV WORKERS=33
ENV THREADS=2
ENV WORKER_CONNECTIONS=2000
# Create a startup script to run both Redis and Gunicorn
RUN echo '#!/bin/sh\n\
redis-server /etc/redis/redis.conf &\n\
gunicorn api:app \
--workers $WORKERS \
--worker-class uvicorn.workers.UvicornWorker \
--bind 0.0.0.0:7860 \
--timeout 600 \
--graceful-timeout 300 \
--keep-alive 250 \
--max-requests 2000 \
--max-requests-jitter 400 \
--forwarded-allow-ips '*' \
--worker-connections $WORKER_CONNECTIONS \
--worker-tmp-dir /dev/shm \
--preload \
--log-level info \
--access-logfile - \
--error-logfile - \
--capture-output \
--enable-stdio-inheritance \
--threads $THREADS\n\
wait' > /app/start.sh && chmod +x /app/start.sh
# Run the startup script
CMD ["/app/start.sh"] |