83 lines
2.2 KiB
Docker
83 lines
2.2 KiB
Docker
# syntax=docker/dockerfile:1
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# Multi-stage Dockerfile for Next.js 16 production build (Node 20)
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# - Does NOT bake secrets via ARG/ENV
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# - Skips env validation during build (SKIP_ENV_VALIDATION=1 in builder only)
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# - Enforces required secrets at runtime via entrypoint.sh
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############################
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# Stage 1: Dependencies
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############################
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FROM node:20-alpine AS deps
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WORKDIR /app
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# Native deps (if you have any native modules)
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RUN apk add --no-cache libc6-compat python3 make g++
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# Copy lockfiles and Prisma schema (postinstall may need it)
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COPY package.json package-lock.json* ./
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COPY prisma ./prisma
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RUN npm ci
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############################
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# Stage 2: Builder
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############################
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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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# Generate Prisma Client for build (if your build imports Prisma)
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RUN npx prisma generate
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ENV NEXT_TELEMETRY_DISABLED=1
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ENV NODE_ENV=production
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# IMPORTANT:
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# Do not require secrets at build time; enforce at runtime instead.
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ENV SKIP_ENV_VALIDATION=1
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RUN npm run build
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############################
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# Stage 3: Runner
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############################
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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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ENV NEXT_TELEMETRY_DISABLED=1
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ENV PORT=3000
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ENV HOSTNAME="0.0.0.0"
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# Non-root user
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RUN addgroup --system --gid 1001 nodejs \
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&& adduser --system --uid 1001 nextjs
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# Runtime files
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COPY --from=builder /app/public ./public
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COPY --from=builder /app/.next/standalone ./
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COPY --from=builder /app/.next/static ./.next/static
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# If you use Prisma at runtime, you need schema + engines
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COPY --from=builder /app/prisma ./prisma
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COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
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COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
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# Add runtime env check entrypoint (no secrets baked)
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COPY docker/entrypoint.sh /app/entrypoint.sh
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RUN chmod +x /app/entrypoint.sh \
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&& chown -R nextjs:nodejs /app
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USER nextjs
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EXPOSE 3000
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HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
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CMD node -e "require('http').get('http://127.0.0.1:3000/api/health', (r) => process.exit(r.statusCode === 200 ? 0 : 1)).on('error', () => process.exit(1))"
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CMD ["/app/entrypoint.sh"] |