FROM node:lts as dependencies
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --verbose

FROM node:lts as builder
WORKDIR /app
COPY . .
COPY --from=dependencies /app/node_modules ./node_modules
RUN npm run build --debug --verbose

FROM node:lts as runner
WORKDIR /app
COPY . .

ENV NODE_ENV production
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/.next ./.next
COPY --from=dependencies /app/node_modules ./node_modules

EXPOSE 4200
CMD ["npm", "start"]