41 lines
1.2 KiB
Docker
41 lines
1.2 KiB
Docker
# syntax=docker/dockerfile:1
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# ---- deps: instala dependencias (capa cacheable) ----
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FROM node:22-alpine AS deps
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WORKDIR /app
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COPY package.json package-lock.json ./
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RUN npm ci
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# ---- build: compila Next.js en modo standalone ----
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FROM node:22-alpine AS build
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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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# Variables NEXT_PUBLIC_* se incrustan en el bundle del cliente en build-time,
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# por eso llegan como build-arg (desde docker-compose) y no solo como env de
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# runtime del contenedor final.
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ARG NEXT_PUBLIC_API_URL
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ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
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ENV NEXT_TELEMETRY_DISABLED=1
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RUN npm run build
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# ---- runtime: imagen final mínima (next.config.ts tiene output: "standalone") ----
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FROM node:22-alpine AS runtime
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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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ENV PORT=3000
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ENV HOSTNAME=0.0.0.0
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RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001
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USER nextjs
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COPY --from=build --chown=nextjs:nodejs /app/public ./public
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COPY --from=build --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=build --chown=nextjs:nodejs /app/.next/static ./.next/static
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EXPOSE 3000
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ENTRYPOINT ["node", "server.js"]
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