53 lines
1.2 KiB
Docker
53 lines
1.2 KiB
Docker
# Stage 1: Build the application
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FROM node:18-alpine AS deps
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RUN apk add --no-cache libc6-compat
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WORKDIR /app
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# Install dependencies
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COPY webapp/package.json webapp/package-lock.json ./
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RUN npm ci
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# Copy the rest of the application
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COPY webapp/ .
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# Set environment variables for build
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ARG DB_URI
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ENV DB_URI=${DB_URI:-"mongodb://dummy:password@localhost:27017/dummy"}
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ENV NODE_ENV=production
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# Build the application
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RUN npm run build
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# Stage 2: Create the runner image
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FROM node:18-alpine AS runner
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WORKDIR /app
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# Install dependencies only needed for production
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RUN apk add --no-cache dumb-init
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# Create a 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 the built application from the builder stage
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COPY --from=deps /app/public ./public
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# Automatically leverage output traces to reduce image size
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COPY --from=deps --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=deps --chown=nextjs:nodejs /app/.next/static ./.next/static
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# Set the user to non-root
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USER nextjs
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# Expose the port the app runs on
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EXPOSE 3000
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# Set the environment variable for the port
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ENV PORT 3000
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# Use dumb-init to handle signals properly
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ENTRYPOINT ["/usr/bin/dumb-init", "--"]
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# Start the application
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CMD ["node", "server.js"]
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