# LangGraph Server - Production
# Multi-stage build for smaller image
FROM node:20-slim AS deps

WORKDIR /app

RUN npm install -g pnpm@10

COPY package.json pnpm-lock.yaml .npmrc ./

# Install production + dev dependencies (langgraphjs CLI is in dependencies)
RUN pnpm install --frozen-lockfile

# ---- Production image ----
FROM node:20-slim

RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY . .

# LangGraph dev prerequisites
RUN touch .env && mkdir -p .langgraph_api

# Run as non-root
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 langgraph && \
    chown -R langgraph:nodejs /app
USER langgraph

EXPOSE 2024

ENV PORT=2024
CMD ["./node_modules/.bin/tsx", "src/agent/server.ts"]