Create Dockerfile

Dockerfile

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+# ───────────────────────────────
+# 1️⃣ Base image
+# ───────────────────────────────
+FROM python:3.10-slim
+
+# ───────────────────────────────
+# 2️⃣ Environment variables (important for HF & Transformers)
+# ───────────────────────────────
+ENV PYTHONUNBUFFERED=1 \
+    TOKENIZERS_PARALLELISM=false \
+    TRANSFORMERS_CACHE=/tmp/transformers \
+    HF_HOME=/tmp/huggingface \
+    SENTENCE_TRANSFORMERS_HOME=/tmp/sentence_transformers \
+    TORCH_HOME=/tmp/torch \
+    PORT=7860
+
+# ───────────────────────────────
+# 3️⃣ System dependencies
+# ───────────────────────────────
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    git \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# ───────────────────────────────
+# 4️⃣ Copy project files
+# ───────────────────────────────
+WORKDIR /app
+COPY requirements.txt /app/
+COPY app.py /app/
+COPY agent_langchain.py /app/
+
+# ───────────────────────────────
+# 5️⃣ Install Python dependencies
+# ───────────────────────────────
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ───────────────────────────────
+# 6️⃣ Expose Hugging Face Space port
+# ───────────────────────────────
+EXPOSE 7860
+
+# ───────────────────────────────
+# 7️⃣ Launch FastAPI app
+# ───────────────────────────────
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]