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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Avoid pulling runtime torch from source on the slim image -- we install
+# a CPU-only torch via the regular pip resolver, which is what the previous
+# Space did and what HF Spaces expects.
+RUN pip install --no-cache-dir --upgrade pip
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Text + Python source
+COPY app.py .
+COPY gemma_npc.py .
+
+# LoRA adapter for Gemma 3 270M (the new fast counter-move model).
+COPY adapters/ adapters/
+
+# React game bundle
+COPY static/ static/
+
+ENV PORT=7860
+ENV GRADIO_SERVER_NAME=0.0.0.0
+ENV TRANSFORMERS_VERBOSITY=info
+ENV HF_HUB_ENABLE_HF_TRANSFER=0
+
+EXPOSE 7860
+
+CMD ["python", "app.py"]