53 lines
1.5 KiB
Docker
53 lines
1.5 KiB
Docker
# Stage 1: Install dependencies only when needed
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FROM node:20-alpine AS deps
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# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
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RUN apk add --no-cache libc6-compat
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WORKDIR /app
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# Install dependencies based on the preferred package manager
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COPY package.json package-lock.json* ./
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RUN npm ci --legacy-peer-deps
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# Stage 2: Rebuild the source code only when needed
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FROM node:20-alpine AS builder
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WORKDIR /app
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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# Disable Next.js telemetry data compilation
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ENV NEXT_TELEMETRY_DISABLED=1
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RUN npm run build
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# Stage 3: Production image, copy all the files and run next
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FROM node:20-alpine AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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ENV NEXT_TELEMETRY_DISABLED=1
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RUN addgroup --system --gid 1001 nodejs
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RUN adduser --system --uid 1001 nextjs
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COPY --from=builder /app/public ./public
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# Set the correct permission for prerender cache
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RUN mkdir .next
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RUN chown nextjs:nodejs .next
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# Automatically leverage output traces to reduce image size
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# https://nextjs.org/docs/advanced-features/output-file-tracing
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COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
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USER nextjs
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EXPOSE 3000
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ENV PORT=3000
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# hostname binds to all network interfaces, allowing container ports to map correctly
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ENV HOSTNAME="0.0.0.0"
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# server.js is created by next build from the standalone output
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CMD ["node", "server.js"]
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