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# Sema Chat API Dockerfile
# Multi-stage build for optimized production image
FROM python:3.11-slim as builder
# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
# Install system dependencies
RUN apt-get update && apt-get install -y \
build-essential \
curl \
git \
&& rm -rf /var/lib/apt/lists/*
# Create and activate virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip && \
pip install -r requirements.txt
# Production stage
FROM python:3.11-slim
# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PATH="/opt/venv/bin:$PATH" \
PYTHONPATH="/app"
# Install runtime dependencies
RUN apt-get update && apt-get install -y \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy virtual environment from builder stage
COPY --from=builder /opt/venv /opt/venv
# Create app directory and user
RUN groupadd -r appuser && useradd -r -g appuser appuser
WORKDIR /app
# Copy application code
COPY . .
# Create necessary directories
RUN mkdir -p logs && \
chown -R appuser:appuser /app
# Switch to non-root user
USER appuser
# Expose port
EXPOSE 7860
# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
CMD curl -f http://localhost:7860/health || exit 1
# Default command
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]
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