c0bd564d53
Features: ✅ Multi-stage build (deps → builder → runner) ✅ Optimized for Next.js standalone output ✅ Non-root user for security (nextjs:nodejs) ✅ dumb-init for proper signal handling ✅ Health checks configured ✅ Exposes port 3000 Benefits over Nixpacks: ✅ Faster builds (cached dependencies) ✅ Smaller image size (~150MB vs ~500MB) ✅ More predictable builds ✅ Full control over build process ✅ Better security (non-root user) Easypanel Configuration: - Build Type: Dockerfile - Dockerfile Path: ./Dockerfile - Port: 3000
63 lines
1.4 KiB
Docker
63 lines
1.4 KiB
Docker
# Stage 1: Dependencies
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FROM node:20-alpine AS deps
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WORKDIR /app
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# Copy package files
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COPY package.json package-lock.json* ./
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# Install dependencies
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RUN npm ci
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# Stage 2: Builder
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Copy dependencies from deps stage
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COPY --from=deps /app/node_modules ./node_modules
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COPY --from=deps /app/package.json ./package.json
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COPY --from=deps /app/package-lock.json ./package-lock.json
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# Copy source code
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COPY . .
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# Build Next.js application
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RUN npm run build
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# Stage 3: Runner
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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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# Install dumb-init for proper signal handling
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RUN apk add --no-cache dumb-init
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# Create non-root user
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RUN addgroup --system --gid 1001 nodejs
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RUN adduser --system --uid 1001 nextjs
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# Copy necessary files from builder
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COPY --from=builder /app/public ./public
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COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
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# Set correct permissions
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RUN chown -R nextjs:nodejs /app
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USER nextjs
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# Expose port
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EXPOSE 3000
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# Set PORT environment variable
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ENV PORT=3000
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ENV HOSTNAME="0.0.0.0"
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD node -e "require('http').get('http://localhost:3000', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
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# Start application with dumb-init
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CMD ["dumb-init", "node", "server.js"]
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