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klz-cables.com/Dockerfile
Marc Mintel ad2a477636
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perf: Add Docker build cache mounts for npm ci and npm run build commands.
2026-02-01 14:00:44 +01:00

78 lines
2.4 KiB
Docker

FROM node:20-alpine AS base
# 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 curl
WORKDIR /app
# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN --mount=type=cache,target=/root/.npm npm ci
# 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
# Build-time environment variables for Next.js
# These are baked into the client bundle during build
ARG NEXT_PUBLIC_BASE_URL
ARG NEXT_PUBLIC_UMAMI_WEBSITE_ID
ARG NEXT_PUBLIC_UMAMI_SCRIPT_URL
ARG DIRECTUS_URL
ENV NEXT_PUBLIC_BASE_URL=$NEXT_PUBLIC_BASE_URL
ENV NEXT_PUBLIC_UMAMI_WEBSITE_ID=$NEXT_PUBLIC_UMAMI_WEBSITE_ID
ENV NEXT_PUBLIC_UMAMI_SCRIPT_URL=$NEXT_PUBLIC_UMAMI_SCRIPT_URL
ENV DIRECTUS_URL=$DIRECTUS_URL
# Validate environment variables during build
RUN npx tsx scripts/validate-env.ts
RUN --mount=type=cache,target=/app/.next/cache npm run build
# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app
# Install curl for health checks
RUN apk add --no-cache curl
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
USER nextjs
EXPOSE 3000
ENV PORT=3000
# set hostname to localhost
ENV HOSTNAME="0.0.0.0"
# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
CMD ["node", "server.js"]