Dockerfile

# FluxAI Gateway - Production Dockerfile
# Optimized multi-stage build for AWS Bedrock cost optimization platform
# Features: Semantic Cache, Cost Calculator, Multi-Model Router, Observability

FROM python:3.11-slim as builder

# Set working directory
WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --user -r requirements.txt

# ===================================
# Production stage
# ===================================
FROM python:3.11-slim

# Metadata
LABEL maintainer="FluxAI Team"
LABEL description="FluxAI Gateway - Cost optimization and observability for AWS Bedrock"
LABEL version="1.0.0"

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PATH=/root/.local/bin:$PATH

# Install runtime dependencies only
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy Python dependencies from builder
COPY --from=builder /root/.local /root/.local

# Copy application code
COPY ./app ./app

# Create non-root user for security
RUN useradd -m -u 1000 fluxai && \
    chown -R fluxai:fluxai /app

# Switch to non-root user
USER fluxai

# Expose port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

# Run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8080"]