Dockerfile

# Use the official Node.js runtime as the base image
FROM node:18-alpine AS base

# Use Chinese mirrors for apk packages
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

# Install pnpm globally in the base image
RUN npm install -g pnpm --registry=https://registry.npmmirror.com

# Configure pnpm to use Chinese registry by default
RUN pnpm config set registry https://registry.npmmirror.com

# 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

# Copy package.json and pnpm-lock.yaml
COPY package.json pnpm-lock.yaml ./

# Install dependencies
RUN pnpm install --frozen-lockfile

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app

# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules

# Copy source code
COPY . .

# Build the application
RUN pnpm build

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

ENV NODE_ENV=production
ENV SKIP_ENV_VALIDATION=true

# Create a non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy the public folder
COPY --from=builder /app/public ./public

# Copy the build output
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
ENV HOSTNAME=0.0.0.0

# Start the application
CMD ["node", "server.js"]