Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+# Minimal OS deps for TF on CPU
+RUN apt-get update && apt-get install -y --no-install-recommends libgomp1 curl ca-certificates \
+ && rm -rf /var/lib/apt/lists/*
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    TF_CPP_MIN_LOG_LEVEL=2 \
+    MODEL_DIR=/app/bert_tf
+
+WORKDIR /app
+
+# Python deps
+COPY requirements.txt /app/
+RUN pip install --no-cache-dir -r requirements.txt
+
+# App + bootstrap
+COPY app.py /app/
+COPY start.sh /app/
+RUN chmod +x /app/start.sh
+
+# If you later decide to commit weights, put them under /app/bert_tf/ and COPY here.
+# For free-tier friendliness we download at startup instead.
+
+EXPOSE 7860
+CMD ["/app/start.sh"]