mirror of
https://github.com/CopilotKit/CopilotKit.git
synced 2026-09-14 16:26:20 +08:00
Ran Shem Tov
f13f8865a8
Add a zodState() helper that attaches a lazy `~standard.jsonSchema.input` to a zod schema so LangGraph's StateSchema.getJsonSchema() emits the field into the graph's output_schema. Without it, zod v4 fields carry `~standard.validate` + `vendor` only, `isStandardJSONSchema` returns false, and the field is silently dropped from output_schema — which in turn causes the AG-UI LangGraphAgent proxy to filter the value out of STATE_SNAPSHOT events on the wire, so the frontend never sees it even though the underlying thread state has the data. Apply zodState to the middleware's own `copilotkit` state field so it surfaces in output_schema and export it for demos to use on custom state fields (todos, documents, etc.). Uses `z.toJSONSchema` when available (zod v4 subpath) and falls back to an empty object, which is sufficient to make langgraph-api include the key in output_schema.
77 lines
2.6 KiB
Docker
77 lines
2.6 KiB
Docker
# Stage 1: Build Next.js frontend
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FROM node:20-slim AS frontend
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WORKDIR /app
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COPY package.json ./
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RUN npm install --ignore-scripts
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COPY src/ ./src/
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COPY public/ ./public/
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COPY next.config.ts tsconfig.json postcss.config.mjs ./
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COPY showcase.json ./showcase.json
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# Docker override: use AG-UI HttpAgent instead of LangGraphAgent
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# (LangGraphAgent needs Docker-in-Docker which Railway doesn't provide)
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# Next.js 16+ rejects both /api/copilotkit/route.ts AND /api/copilotkit/[[...slug]]/route.ts
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RUN rm -f ./src/app/api/copilotkit/\[\[...slug\]\]/route.ts
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COPY docker-route-override.ts ./src/app/api/copilotkit/route.ts
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RUN npm install @ag-ui/client
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ENV NODE_OPTIONS="--max-old-space-size=4096"
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# Next.js 16+ uses Turbopack by default; use --webpack for serverExternalPackages compat
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RUN npx next build --webpack
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# Stage 2: Production image with Python + Node
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FROM python:3.12.10-slim AS runner
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# Install Node.js 20 + uv
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RUN apt-get update && \
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apt-get install -y --no-install-recommends curl ca-certificates && \
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curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
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apt-get install -y --no-install-recommends nodejs && \
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apt-get clean && rm -rf /var/lib/apt/lists/*
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# Install uv by copying from the official image (avoids curl|sh pipe-swallow bug
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# where a 5xx on astral.sh silently produces an exit-0 layer with no uv binary).
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COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /usr/local/bin/
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ENV PATH="/root/.local/bin:$PATH"
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WORKDIR /app
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# Install Python deps — EXCLUDING langgraph-cli and langgraph-api
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# (they need Docker-in-Docker which Railway doesn't provide)
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# Instead serve via ag-ui-langgraph + copilotkit (same protocol, no Docker needed)
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COPY agent/ ./agent/
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# Install ag-ui-langgraph FIRST at pinned version (before copilotkit can override it)
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RUN uv pip install --system "ag-ui-langgraph[fastapi]==0.0.22" && \
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uv pip install --system --no-deps "copilotkit==0.1.78" && \
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uv pip install --system "partialjson>=0.0.8,<0.0.9" "toml>=0.10.2,<0.11.0" && \
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uv pip install --system \
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"langchain==1.0.1" \
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"langchain-openai>=1.1.0" \
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"langchain-anthropic>=1.3.4" \
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"langgraph==1.0.5" \
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"langsmith>=0.4.49" \
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"openai>=1.68.2,<2.0.0" \
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"python-dotenv>=1.0.0,<2.0.0" \
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"fastapi>=0.115.5,<1.0.0" \
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"uvicorn>=0.29.0,<1.0.0"
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# serve.py adapts the original agent for Docker (no langgraph-cli needed)
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COPY serve.py ./
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# Copy Next.js standalone build
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COPY --from=frontend /app/.next/standalone ./
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COPY --from=frontend /app/.next/static ./.next/static
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COPY --from=frontend /app/public ./public
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COPY entrypoint.sh ./
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RUN chmod +x entrypoint.sh
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EXPOSE 3000
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ENV NODE_ENV=production
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CMD ["./entrypoint.sh"]
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