##### DEPENDENCIES
FROM --platform=linux/amd64 node:lts-alpine AS deps
RUN apk add --no-cache libc6-compat openssl
WORKDIR /app
COPY prisma ./
RUN npm install -g pnpm;
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
RUN \
    if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
    elif [ -f package-lock.json ]; then npm ci; \
    elif [ -f pnpm-lock.yaml ]; then npm install -g pnpm && pnpm i; \
    else echo "Lockfile not found." && exit 1; \
    fi
##### BUILDER
FROM --platform=linux/amd64 node:20-alpine AS builder
ARG DATABASE_URL
ARG NEXT_PUBLIC_CLIENTVAR
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN \
    if [ -f yarn.lock ]; then SKIP_ENV_VALIDATION=1 yarn build; \
    elif [ -f package-lock.json ]; then SKIP_ENV_VALIDATION=1 npm run build; \
    elif [ -f pnpm-lock.yaml ]; then SKIP_ENV_VALIDATION=1 pnpm run build; \
    else echo "Lockfile not found." && exit 1; \
    fi
##### RUNNER
FROM --platform=linux/amd64 gcr.io/distroless/nodejs20-debian12 AS runner
WORKDIR /app
ENV NODE_ENV production
COPY --from=builder /app/next.config.ts ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
EXPOSE 3000
ENV PORT 3000
CMD ["server.js"]

Starting Container
   ▲ Next.js 15.4.6
   - Local:        http://8ef088d9d8c2:3000
   - Network:      http://8ef088d9d8c2:3000
 
 ✓ Starting...
 ✓ Ready in 120ms