# Mercury web — production image. Build with bun, run the Next standalone
# server bundle under Node. FMS_API_URL is injected at runtime (server-side
# proxy target), never baked into the build.
FROM oven/bun:1 AS builder
WORKDIR /app
COPY package.json bun.lock ./
RUN bun install --frozen-lockfile
COPY . .
RUN bun run build

FROM node:22-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
# Next standalone output: minimal server + traced node_modules, plus static assets.
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
EXPOSE 3000
CMD ["node", "server.js"]