FROM node:18-alpine AS deps

RUN apk add --no-cache libc6-compat

WORKDIR /app

COPY package.json package-lock.json ./

RUN npm ci --only=production

# Rebuild the source code only when needed

FROM node:18-alpine AS builder

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules

COPY . .

ARG NEXT_PUBLIC_API_BASE_URL=/api

ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL

RUN npm run build

# Production image, copy all the files and run next

FROM node:18-alpine AS runner

WORKDIR /app

ENV NODE_ENV production

RUN addgroup --system --gid 1001 supergroup

RUN adduser --system --uid 1001 superuser

COPY --from=builder /app/public ./public

COPY --from=builder /app/package.json ./package.json

# Automatically leverage output traces to reduce image size

# https://nextjs.org/docs/advanced-features/output-file-tracing

COPY --from=builder --chown=superuser:supergroup /app/.next/standalone ./

COPY --from=builder --chown=superuser:supergroup /app/.next/static ./.next/static

USER superuser

EXPOSE 3000

ENV PORT 3000

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