Dockerfile

# Use the slim version of Node.js 20 as the base image
FROM node:20 AS base
WORKDIR /app
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN npm config set registry https://registry.npmmirror.com
RUN npm i -g pnpm
# RUN corepack enable

# Install dependencies and build the application
FROM base AS builder
WORKDIR /app
COPY package.json pnpm-lock.yaml ./
ENV NEXT_TELEMETRY_DISABLED=1
ENV OUTPUT_STANDALONE=1
# Use the npm mirror to speed up the installation
RUN pnpm config set registry https://registry.npmmirror.com && pnpm install --frozen-lockfile
COPY . .
RUN pnpm run build

# Install production dependencies only
RUN pnpm install --prod --ignore-scripts --prefer-offline

# Use alpine for the final image to reduce the image size
FROM node:20-alpine AS runner
WORKDIR /app

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3000

EXPOSE 3000

# Just pass HOSTNAME to node server.js
CMD HOSTNAME="0.0.0.0" node server.js