Dockerfile

$ npx create-next-app@latest --ts

FROM node:18-alpine AS base

# deps
FROM base AS deps
WORKDIR /app

COPY package*.json ./
RUN apk add --no-cache libc6-compat \
  && npm install --production

# builder
FROM base AS builder
WORKDIR /app

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

RUN npm run build

# runner
FROM base AS runner
WORKDIR /app

ENV NODE_ENV production

COPY --from=builder --chown=node:node /app/.next ./.next
COPY --from=builder --chown=node:node /app/node_modules ./node_modules
COPY --from=builder --chown=node:node /app/public ./public
COPY --from=builder --chown=node:node /app/package.json ./package.json

USER node

EXPOSE 3000

ENV PORT 3000

ENV HOSTNAME "0.0.0.0"

CMD ["npm", "start"]