consolidate: Evo Dockerfile — training pipeline container

evo/Dockerfile

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+FROM python:3.11-slim
+
+RUN apt-get update && apt-get install -y git curl && apt-get clean
+
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+ENV PYTHONUNBUFFERED=1
+ENV CHROMA_PATH=/data/chroma
+ENV FEEDBACK_DIR=/data/feedback
+
+VOLUME ["/data"]
+
+CMD ["python", "langgraph_graph.py"]