Dockerfile

FROM node:20-slim AS builder

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 make g++ \
    && rm -rf /var/lib/apt/lists/*

ARG NEXT_PUBLIC_IMAGE_DOMAINS

ENV NEXT_PUBLIC_IMAGE_DOMAINS=$NEXT_PUBLIC_IMAGE_DOMAINS

COPY package*.json ./

RUN npm ci

COPY . .

RUN npm run build

FROM node:20-slim AS runner

RUN groupadd --system --gid 1001 nodejs && \
    useradd --system --uid 1001 --gid nodejs nextjs

WORKDIR /app

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

RUN mkdir -p ./public
COPY --from=builder /app/public/ ./public/

RUN mkdir -p /app/data && chown -R nextjs:nodejs /app
USER nextjs

EXPOSE 3000

ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

CMD ["node", "server.js"]