FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

FROM node:22-alpine AS build
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

# No `output: 'standalone'`: the runtime stage keeps the full node_modules because
# /api/mlworker/[file] reads maplibre-gl dist files from disk at runtime, and
# /api/airports reads data/*.csv — both resolved relative to process.cwd().
FROM node:22-alpine AS runtime
WORKDIR /app
ENV NODE_ENV=production NEXT_TELEMETRY_DISABLED=1
COPY --from=build /app ./
EXPOSE 3000
CMD ["npm", "run", "start"]