Drill 22: 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
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Describe what happens when the input is invalid.
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