first claude draft

services/gateway/Dockerfile

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+# Multi-stage Dockerfile for Gateway service (FastAPI)
+
+FROM python:3.11-slim as base
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY services/gateway/requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY shared /app/shared
+COPY proto /app/proto
+
+RUN python -m grpc_tools.protoc \
+    -I/app/proto \
+    --python_out=/app/shared \
+    --grpc_python_out=/app/shared \
+    /app/proto/metrics.proto
+
+COPY services/gateway /app/services/gateway
+COPY web /app/web
+
+ENV PYTHONPATH=/app
+ENV PYTHONUNBUFFERED=1
+
+# =============================================================================
+FROM base as development
+
+RUN pip install --no-cache-dir watchfiles
+
+CMD ["uvicorn", "services.gateway.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
+
+# =============================================================================
+FROM base as production
+
+RUN useradd --create-home --shell /bin/bash appuser
+USER appuser
+
+EXPOSE 8000
+
+CMD ["uvicorn", "services.gateway.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]

services/gateway/requirements.txt

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+fastapi>=0.109.0
+uvicorn[standard]>=0.27.0
+grpcio>=1.60.0
+grpcio-tools>=1.60.0
+redis>=5.0.0
+asyncpg>=0.29.0
+websockets>=12.0
+jinja2>=3.1.2
+structlog>=23.2.0
+python-json-logger>=2.0.7
+pydantic>=2.5.0
+pydantic-settings>=2.1.0
+httpx>=0.26.0