# ═══════════════════════════════════════════════════════════
# 🐍 OPHION - Python Instrumented App Dockerfile
# Example showing how to add OpenTelemetry to any Python app
# ═══════════════════════════════════════════════════════════

FROM python:3.12-slim

WORKDIR /app

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

# Install OpenTelemetry auto-instrumentation
RUN pip install --no-cache-dir \
    opentelemetry-distro \
    opentelemetry-exporter-otlp \
    opentelemetry-instrumentation

# Auto-install all available instrumentations
RUN opentelemetry-bootstrap -a install

# Copy application code
COPY . .

# Expose port
EXPOSE 5000

# Start with auto-instrumentation wrapper
# opentelemetry-instrument auto-configures tracing based on env vars
CMD ["opentelemetry-instrument", "python", "app.py"]