Dockerfile

FROM node:20-alpine AS base
    RUN corepack enable

# Install dependencies only when needed
FROM base AS deps
    # Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
    RUN apk add --no-cache libc6-compat
    WORKDIR /app

    # Install dependencies based on the preferred package manager
    COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc ./
    RUN \
      if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
      elif [ -f package-lock.json ]; then npm ci; \
      elif [ -f pnpm-lock.yaml ]; then pnpm i --frozen-lockfile; \
      else echo "Lockfile not found." && exit 1; \
      fi


# Rebuild the source code only when needed
FROM base AS builder
    WORKDIR /app
    COPY --from=deps /app/node_modules ./node_modules
    COPY . .

    # Next.js collects completely anonymous telemetry data about general usage.
    # Learn more here: https://nextjs.org/telemetry
    # Uncomment the following line in case you want to disable telemetry during the build.
    ENV NEXT_TELEMETRY_DISABLED 1

    RUN pnpm run build

    # If using npm comment out above and use below instead
    # RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
    WORKDIR /app

    ENV NODE_ENV production
    # Uncomment the following line in case you want to disable telemetry during runtime.
    ENV NEXT_TELEMETRY_DISABLED 1

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

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

    # Set the correct permission for prerender cache
    RUN mkdir .next
    RUN chown nextjs:nodejs .next

    # Automatically leverage output traces to reduce image size
    # https://nextjs.org/docs/advanced-features/output-file-tracing
    COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
    COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
    COPY --from=builder --chown=nextjs:nodejs /app/prisma .


    USER nextjs

    EXPOSE 3000

    ENV PORT 3000
    # set hostname to localhost
    ENV HOSTNAME "0.0.0.0"

    CMD pnpm dlx prisma migrate deploy && node server.js