40 lines
926 B
Docker
40 lines
926 B
Docker
# Use node 18 alpine for smaller image size
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FROM node:18-alpine
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WORKDIR /app
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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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# Copy package files
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COPY package*.json ./
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# Install all dependencies (including devDependencies needed for build)
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# Set npm config for better CI performance
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RUN npm ci --prefer-offline --no-audit
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# Copy source code
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COPY . .
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# Set Node.js memory limit for build (helpful in constrained environments)
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ENV NODE_OPTIONS="--max-old-space-size=1024"
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# Build the application
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RUN npm run build
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# Remove devDependencies after build to reduce image size
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RUN npm prune --omit=dev
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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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# Change ownership of the app directory
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RUN chown -R nextjs:nodejs /app
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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 ["npm", "start"] |