Dockerfile

FROM oven/bun:1-alpine AS base

WORKDIR /app

## Install dependencies with bun
FROM base AS deps
COPY package.json bun.lock* ./
RUN bun install --no-save --frozen-lockfile

## Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

ENV NEXT_TELEMETRY_DISABLED=1

RUN bun run build

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

ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    PORT=3000 \
    HOSTNAME="0.0.0.0"

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

RUN apk add --no-cache wget

COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

CMD ["bun", "./server.js"]