judge4c/Dockerfile

# syntax=docker.io/docker/dockerfile:1

# Upgrade to Node.js v20 or higher to resolve the `ReferenceError: File is not defined` issue
# Reference: https://github.com/vercel/next.js/discussions/56032
FROM node:22-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
WORKDIR /app

# Copy the prisma folder before installing dependencies
COPY prisma ./prisma

# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* bun.lock* .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; \
    elif [ -f bun.lock ] || [ -f bun.lockb ]; then npm install -g bun && bun install --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 --from=deps /app/src/generated ./src/generated
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

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; \
    elif [ -f bun.lock ] || [ -f bun.lockb ]; then npm install -g bun && bun 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

# Install curl tool to ensure the health check works correctly
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

COPY --from=builder /app/public ./public

# 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 root

EXPOSE 3000

ENV PORT=3000

# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]