Necessary build artifacts

[amiralies]

I'm using a multi stage dockerfile to build and deploy my next app, I want to minimize artifacts inside my built docker image.

The scenario is like this:
in build stage i install dependecies and build my app using next build
then in runner stage I install dependecies and then copy next artifacts , next config and public folder from build stage.

Is my approach correct. is there anything missing or redundant?

p.s dockerfile is sth like this:

# Builder
FROM node:12.17 as builder

WORKDIR /app/

COPY package.json yarn.lock /app/
RUN yarn

COPY . /app/

RUN yarn build

# Runner
FROM node:12.17

WORKDIR /app/

COPY --from=builder /app/package.json /app/yarn.lock ./
RUN yarn

COPY --from=builder /app/next.config.js ./
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public

CMD ["yarn", "next:start"]