Bun + Node.js Dockerfile

Dockerfile

# Dockerfile for Bun (package manager) and Node.js (for runtime Next.js)
# this image includes Bun 1.x, Node.js 22, on Alpine, with Git
FROM imbios/bun-node:1-22-alpine-git AS base
RUN apk update && apk upgrade && apk add --no-cache dumb-init
RUN addgroup --system --gid 1002 nodejs
RUN adduser --system --uid 1002 nextjs

# Install dependencies only when needed
FROM base AS builder
WORKDIR /app

COPY . .
COPY package.json bun.lock ./
RUN bun install --frozen-lockfile

# Add `ARG` instructions below if you need `NEXT_PUBLIC_` variables
# then put the value on your fly.toml
# Example:
# ARG NEXT_PUBLIC_SOMETHING

# https://nextjs.org/telemetry
ENV NEXT_TELEMETRY_DISABLED=1

# assumes your package.json build command does the Next.js production build
RUN bun run build

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

# copy the public folder from the project as this is not included in the build process
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
# copy the standalone folder inside the .next folder generated from the build process
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
# copy the static folder inside the .next folder generated from the build process
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 8038

# https://nextjs.org/telemetry
ENV PORT=8038 NODE_ENV=production NEXT_TELEMETRY_DISABLED=1

CMD ["dumb-init","node","server.js"]