FROM node:20-alpine AS base

WORKDIR /app

# Install dependencies
FROM base AS deps
COPY package.json ./
RUN npm install

# Build
FROM base AS builder
ARG NEXT_PUBLIC_API_URL=http://backend:3001
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN mkdir -p public && npm run build

# Production
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ARG NEXT_PUBLIC_API_URL=http://backend:3001
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT=3000

CMD ["node", "server.js"]