init

Dockerfile

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+# Stage 1: Build React Frontend
+FROM node:20-alpine AS frontend-builder
+
+# Set working directory for frontend
+WORKDIR /app/frontend
+
+# Copy frontend package files and install dependencies
+COPY frontend/package.json ./
+COPY frontend/package-lock.json ./
+# If you use yarn or pnpm, adjust accordingly (e.g., copy yarn.lock or pnpm-lock.yaml and use yarn install or pnpm install)
+RUN npm install
+
+# Copy the rest of the frontend source code
+COPY frontend/ ./
+
+# Build the frontend
+RUN npm run build
+
+# Stage 2: Python Backend
+FROM docker.io/langchain/langgraph-api:3.11
+
+# -- Copy built frontend from builder stage --
+# The app.py expects the frontend build to be at ../frontend/dist relative to its own location.
+# If app.py is at /deps/backend/src/agent/app.py, then ../frontend/dist resolves to /deps/frontend/dist.
+COPY --from=frontend-builder /app/frontend/dist /deps/frontend/dist
+# -- End of copying built frontend --
+
+# -- Adding local package . --
+ADD backend/ /deps/backend
+# -- End of local package . --
+    
+# -- Installing all local dependencies --
+RUN PYTHONDONTWRITEBYTECODE=1 pip install --no-cache-dir -c /api/constraints.txt -e /deps/backend
+# -- End of local dependencies install --
+ENV LANGGRAPH_HTTP='{"app": "/deps/backend/src/agent/app.py:app"}'
+ENV LANGSERVE_GRAPHS='{"agent": "/deps/backend/src/agent/graph.py:graph"}'
+
+# -- Ensure user deps didn't inadvertently overwrite langgraph-api
+RUN mkdir -p /api/langgraph_api /api/langgraph_runtime /api/langgraph_license &&     touch /api/langgraph_api/__init__.py /api/langgraph_runtime/__init__.py /api/langgraph_license/__init__.py
+RUN PYTHONDONTWRITEBYTECODE=1 pip install --no-cache-dir --no-deps -e /api
+# -- End of ensuring user deps didn't inadvertently overwrite langgraph-api --
+# -- Removing pip from the final image ~<:===~~~ --
+RUN pip uninstall -y pip setuptools wheel &&     rm -rf /usr/local/lib/python*/site-packages/pip* /usr/local/lib/python*/site-packages/setuptools* /usr/local/lib/python*/site-packages/wheel* &&     find /usr/local/bin -name "pip*" -delete
+# -- End of pip removal --
+
+WORKDIR /deps/backend