Added express as a production dependency in package.json and updated the Dockerfile to install dependencies more efficiently using npm ci when package-lock.json is present. This streamlines the build process and ensures express is available in production environments.
39 lines
1.1 KiB
Docker
39 lines
1.1 KiB
Docker
# Use the official Node.js runtime as the base image
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FROM node:20-alpine
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# Set the working directory inside the container
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WORKDIR /app
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# Copy package.json and package-lock.json first to leverage Docker cache for dependencies
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COPY package.json package-lock.json* ./
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# Install dependencies - use npm ci for reproducible builds if package-lock.json exists, otherwise npm install
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RUN if [ -f package-lock.json ]; then npm ci --only=production; else npm install --only=production; fi
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# Copy the rest of the application code
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COPY . .
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# Create a non-root user for security
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RUN addgroup -g 1001 -S nodejs && \
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adduser -S xget -u 1001
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# Change ownership of the app directory to the nodejs user
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RUN chown -R xget:nodejs /app
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# Switch to the non-root user
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USER xget
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# Expose the port the app runs on
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EXPOSE 3000
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# Set environment variables
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ENV NODE_ENV=production
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ENV PORT=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 wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1
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# Start the application
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CMD ["node", "server.js"]
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