Docker Foundations·Practice drills 6

Drill 13: List the steps — A Dockerfile with good layers

List the steps the code follows in order.

Beginner 5 min read Lesson 137 of 300 Challenge included
What you will be able to do
  • List the steps the code follows in order.

Practice task

List the steps the code follows in order.

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/.output ./.output
USER node
EXPOSE 3000
CMD ["node", ".output/server/index.mjs"]
Your turn

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List the steps the code follows in order.

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Lesson 137 of 300 · 0% of course