2d07eeba10
GID 1000 is already in use by the node:20-alpine base image. Changed non-root user to use UID/GID 101 which is commonly available. This fixes the Docker build error: 'addgroup: gid 1000 in use' 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
48 lines
1.1 KiB
Docker
48 lines
1.1 KiB
Docker
# Build stage
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FROM node:20-alpine AS builder
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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 (including dev dependencies for build)
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RUN npm ci
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# Copy source code and configuration
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COPY . .
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# Build Next.js application with standalone output
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RUN npm run build
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# Runtime stage
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FROM node:20-alpine
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# Create non-root user for security
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RUN addgroup -g 101 nextjs && \
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adduser -D -u 101 -G nextjs nextjs
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WORKDIR /app
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# Copy standalone output from builder stage
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COPY --from=builder --chown=nextjs:nextjs /app/.next/standalone ./
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COPY --from=builder --chown=nextjs:nextjs /app/.next/static ./.next/static
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COPY --from=builder --chown=nextjs:nextjs /app/public ./public
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# Set environment for production
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ENV NODE_ENV=production
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ENV PORT=3000
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# Expose port
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EXPOSE 3000
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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) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"
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# Run as non-root user
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USER nextjs
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# Start the application
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CMD ["node", "server.js"]
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