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# build Go gateway FROM golang:1.25-alpine AS go-builder WORKDIR /app/gateway COPY gateway/go.mod gateway/go.sum ./ RUN go mod download COPY gateway/ ./ RUN go build -o ig-gateway ./cmd/ig-gateway # python runtime FROM python:3.13-slim WORKDIR /app # copy Go binary from builder COPY --from=go-builder /app/gateway/ig-gateway /app/gateway/ig-gateway # install Python dependencies COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt # copy Python source COPY src/ ./src/ # expose port EXPOSE 8000 # run the server CMD ["python", "src/server.py"]