FROM node:22-bookworm-slim

# The example build uses `bun build` (no fallback in the npm scripts); install it.
RUN npm install -g bun@1.2.21

WORKDIR /app

# Install deps first for better layer caching. Copied out of the ext-apps
# monorepo, so the workspace is gone — @modelcontextprotocol/ext-apps and
# /sdk resolve from the public npm registry.
#
# Use `bun install`, not `npm install`: with no lockfile, npm mis-resolves
# rollup/vite's platform-specific optional deps and dies with EBADPLATFORM
# (@rollup/rollup-win32-x64-msvc on Linux). bun resolves the correct platform
# binaries, and it's already installed for the build below.
COPY package.json ./
RUN bun install

# Build: tsc typecheck -> vite single-file UI -> bun-bundled dist/index.js
COPY . .
RUN npm run build

# HF Spaces route external HTTPS to app_port; the server reads PORT and binds
# 0.0.0.0 (see main.ts). Keep PORT == app_port (7860) in the Space README.
ENV PORT=7860
EXPOSE 7860

# Default (no --stdio) starts the Streamable HTTP transport at /mcp.
CMD ["node", "dist/index.js"]