62 lines
1.6 KiB
Docker
62 lines
1.6 KiB
Docker
# Multi-stage build for better layer caching and smaller final image
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FROM node:18-alpine AS deps
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WORKDIR /app
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# Install dumb-init early
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RUN apk add --no-cache dumb-init
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# Copy package files first to leverage Docker layer caching
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COPY package*.json ./
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# Install dependencies with optimized settings
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RUN npm install --prefer-offline --no-audit --legacy-peer-deps
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# Build stage
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FROM node:18-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 . .
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# Set Node.js memory limit for build and debug options
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ENV NODE_OPTIONS="--max-old-space-size=2048"
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ENV NEXT_TELEMETRY_DISABLED=1
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ENV DEBUG=*
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# List files to ensure everything is copied correctly
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RUN ls -la
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# Build the application with better error handling
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RUN set -e && npm run build 2>&1 | tee build.log || (echo "Build failed! Last 50 lines of output:" && tail -50 build.log && exit 1)
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# Production stage
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FROM node:18-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 for security
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RUN addgroup -g 1001 -S nodejs
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RUN adduser -S nextjs -u 1001
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# Copy necessary files from builder stage
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COPY --from=builder /app/next.config.js* ./
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COPY --from=builder /app/public ./public
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COPY --from=builder /app/package.json ./package.json
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# Copy built application
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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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USER nextjs
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EXPOSE 3000
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# Use dumb-init to handle signals properly
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ENTRYPOINT ["dumb-init", "--"]
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CMD ["node", "server.js"] |