Drill 4: Invalid input — A Dockerfile with good layers
Describe what happens when the input is invalid.
What you will be able to do
- Describe what happens when the input is invalid.
Practice task
Describe what happens when the input is invalid.
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
EasyWrite your answer
Describe what happens when the input is invalid.
TEXT · starter
Your answer…Study tools
Make it yours.
Keep a private note for this lesson, then turn the key ideas into flashcards you can revisit.
Sign in to save notes and flashcards.Both are private to your account and stay with your progress.
Sign inFinished reading?
Lock in what you just learned.
0%
Mark this lesson complete to save your place and move one step closer to the certificate.