Create Dockerfile

Dockerfile

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+FROM python:3.9-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+COPY . /app
+
+RUN apt-get update && apt-get install -y \
+    git \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+
+# Pre-download model and tokenizer
+RUN python -c "from transformers import DebertaV2Tokenizer, DebertaV2ForSequenceClassification; \
+               DebertaV2Tokenizer.from_pretrained('Nikpatil/Email_classifier'); \
+               DebertaV2ForSequenceClassification.from_pretrained('Nikpatil/Email_classifier')"
+
+# (Optional) If your utils.py uses spaCy
+RUN python -m spacy download en_core_web_sm
+
+EXPOSE 7860
+
+CMD ["python", "app.py"]