feat: 添加 Dockerfile、docker-compose 及 K8s kustomize 部署文件

backend/Dockerfile

@@ -0,0 +1,56 @@
+# ===== Stage 1: Build dependencies =====
+FROM python:3.12-slim AS builder
+
+WORKDIR /app
+
+# Install uv
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
+
+# Copy dependency manifests
+COPY backend/pyproject.toml .
+COPY backend/.env.example .
+
+# Create venv and install deps
+RUN uv venv /opt/venv && \
+    uv pip install --python /opt/venv/bin/python \
+        "fastapi>=0.104.0" \
+        "uvicorn[standard]>=0.24.0" \
+        "python-multipart>=0.0.6" \
+        "langextract[all]>=0.1.0" \
+        "langchain>=0.2.0" \
+        "langchain-openai>=0.1.0" \
+        "langgraph>=0.1.0" \
+        "networkx>=3.0" \
+        "python-dotenv>=1.0.0" \
+        "requests>=2.31.0" \
+        "beautifulsoup4>=4.12.0"
+
+# ===== Stage 2: Runtime =====
+FROM python:3.12-slim
+
+WORKDIR /app
+
+# Copy venv from builder
+COPY --from=builder /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+# Copy backend source
+COPY backend/ ./backend/
+# Copy mineru_mvp (used by indexing pipeline)
+COPY mineru_mvp/ ./mineru_mvp/
+
+# Create data directories
+RUN mkdir -p /app/backend/data/uploads \
+             /app/backend/data/jobs \
+             /app/backend/data/kg \
+             /app/backend/data/batches \
+             /app/mineru_mvp/output
+
+# Update paths for container environment
+ENV MINERU_PYTHON=/opt/venv/bin/python
+ENV MINERU_PIPELINE=/app/mineru_mvp/pipeline.py
+
+EXPOSE 8000
+
+WORKDIR /app/backend
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]