Docker Foundations·Practice drills 5

Drill 13: Key term — .dockerignore and build speed

Identify the key term in the example and define it.

Beginner 5 min read Lesson 133 of 300 Challenge included
What you will be able to do
  • Identify the key term in the example and define it.

Practice task

Identify the key term in the example and define it.

DockerfileDockerfile
FROM node:22-alpine AS build
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:22-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY --from=build /app/dist ./dist
USER node
EXPOSE 3000
CMD ["node", "dist/index.js"]
Your turn

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Identify the key term in the example and define it.

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Lesson 133 of 300 · 0% of course