FROM node:25-alpine AS builder

WORKDIR /app

# git required by app.config.js for version derivation (has try-catch fallback)
RUN apk add --no-cache git

COPY package.json package-lock.json ./
RUN npm ci

COPY . .
RUN NODE_OPTIONS="--max-old-space-size=4096" node /app/node_modules/.bin/expo export --platform web --output-dir dist-web

FROM nginx:1.27-alpine

COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/dist-web /usr/share/nginx/html

EXPOSE 80