# LangGraph Server - Development
# Hot reload via source volume mounts (see docker-compose.yml)
FROM node:20-slim

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

WORKDIR /app

# Install pnpm
RUN npm install -g pnpm@10

# Copy package files for dependency caching
COPY package.json pnpm-lock.yaml .npmrc ./

# Install all dependencies (including devDependencies)
RUN pnpm install --frozen-lockfile

# Copy source code (will be overridden by volume mounts in dev)
COPY . .

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

EXPOSE 2024

# Start LangGraph.js dev server with watch mode
CMD ["./node_modules/.bin/langgraphjs", "dev", "--host", "0.0.0.0", "--port", "2024", "--no-browser"]