Dockerfile

# syntax=docker/dockerfile:1
ARG NODE_VERSION=20-bullseye-slim
FROM node:${NODE_VERSION} AS deps
WORKDIR /app
COPY package.json package-lock.json* pnpm-lock.yaml* ./
RUN corepack enable || true && (npm ci || npm install)
FROM node:${NODE_VERSION} AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npx esbuild lib/gpx/parse.worker.ts --bundle --format=esm --outfile=public/parse.worker.js --platform=browser \
 && npm run build
FROM node:${NODE_VERSION} AS runner
ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
WORKDIR /app
RUN useradd -m -u 10001 nodeuser
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
COPY --from=builder /app/next.config.mjs ./next.config.mjs
EXPOSE 3000
USER nodeuser
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
  CMD node -e "fetch('http://127.0.0.1:3000').then(r=>{if(!r.ok)process.exit(1)}).catch(()=>process.exit(1))"
CMD ["node", "server.js"]