feat: add dockerfile

Dockerfile

@@ -0,0 +1,56 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+# ------------------------
+# Environment
+# ------------------------
+
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# HuggingFace cache
+ENV HF_HOME=/tmp/.cache
+ENV TRANSFORMERS_CACHE=/tmp/.cache
+ENV HUGGINGFACE_HUB_CACHE=/tmp/.cache
+
+RUN mkdir -p /tmp/.cache && chmod -R 777 /tmp/.cache
+
+# ------------------------
+# System packages
+# ------------------------
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# ------------------------
+# Python packages
+# ------------------------
+
+COPY requirements.txt .
+
+RUN pip install --upgrade pip
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ------------------------
+# Download embedding model
+# ------------------------
+
+RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('BAAI/bge-small-en-v1.5')"
+
+# ------------------------
+# Copy project
+# ------------------------
+
+COPY . .
+
+# ------------------------
+# HuggingFace Spaces
+# ------------------------
+
+EXPOSE 7860
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]