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2025-12-05 19:55:11 -05:00
parent 1893b8b371
commit 20417dc16a

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@@ -1,72 +1,38 @@
# syntax=docker.io/docker/dockerfile:1 # Stage 1: Build the Next.js application
FROM node:20-alpine AS builder
FROM node:20-alpine AS base WORKDIR /app
# Enable Corepack # Enable Corepack
RUN corepack enable RUN corepack enable
# Set Yarn to the latest stable version # Set Yarn to the latest stable version
RUN yarn set version stable RUN yarn set version stable
# Install dependencies only when needed COPY package.json package-lock.json ./
FROM base AS deps RUN yarn install
# 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 corepack enable pnpm && 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 . . COPY . .
RUN yarn build
# Next.js collects completely anonymous telemetry data about general usage. # Stage 2: Create the production image
# Learn more here: https://nextjs.org/telemetry FROM node:20-alpine AS runner
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED=1
RUN \
if [ -f yarn.lock ]; then yarn run build; \
elif [ -f package-lock.json ]; then npm run build; \
elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
else echo "Lockfile not found." && exit 1; \
fi
# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app WORKDIR /app
ENV NODE_ENV=production ENV NODE_ENV=production
# Uncomment the following line in case you want to disable telemetry during runtime. # Optional: disable Next.js telemetry
# ENV NEXT_TELEMETRY_DISABLED=1 ENV NEXT_TELEMETRY_DISABLED=1
# Create a non-root user
RUN addgroup --system --gid 1001 nodejs RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs RUN adduser --system --uid 1001 nextjs
USER nextjs
# Copy the standalone output from the builder stage
COPY --from=builder /app/public ./public COPY --from=builder /app/public ./public
# Automatically leverage output traces to reduce image size # 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/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
USER nextjs
EXPOSE 3000 EXPOSE 3000
ENV PORT=3000 ENV PORT=3000
# The standalone output generates a server.js file that starts the app
# server.js is created by next build from the standalone output CMD ["node", "server.js"]
# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]