ebe148e537
node:20-alpine uses BusyBox which does not support GNU-style --system/--ingroup flags. Switch to -S/-G equivalents. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
49 lines
1.2 KiB
Docker
49 lines
1.2 KiB
Docker
# syntax=docker/dockerfile:1
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FROM node:20-alpine AS deps
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WORKDIR /app
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COPY package.json package-lock.json ./
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RUN npm ci
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FROM node:20-alpine AS builder
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WORKDIR /app
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COPY --from=deps /app/node_modules ./node_modules
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COPY . ./
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# Allows configuring the API URL at build time.
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ARG NEXT_PUBLIC_API_URL=auto
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ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
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ARG NEXT_PUBLIC_AUTH_MODE
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ENV NEXT_PUBLIC_AUTH_MODE=${NEXT_PUBLIC_AUTH_MODE}
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RUN npm run build
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FROM node:20-alpine AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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ARG NEXT_PUBLIC_AUTH_MODE
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# If provided at runtime, Next will expose NEXT_PUBLIC_* to the browser as well
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# (but note some values may be baked at build time).
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ENV NEXT_PUBLIC_API_URL=auto
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ENV NEXT_PUBLIC_AUTH_MODE=${NEXT_PUBLIC_AUTH_MODE}
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COPY --from=builder /app/.next ./.next
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# `public/` is optional in Next.js apps; repo may not have it.
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# Avoid failing the build when the directory is absent.
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COPY --from=builder /app/package.json ./package.json
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/next.config.ts ./next.config.ts
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# Run as non-root user
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RUN addgroup -S appgroup && adduser -S -G appgroup appuser \
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&& chown -R appuser:appgroup /app
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USER appuser
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EXPOSE 3000
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CMD ["npm", "run", "start"]
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