Dockerfile with squash

Dockerfile

FROM node:20.6-alpine as build

ARG NODE_ENV
ENV NODE_ENV=$NODE_ENV
ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1

COPY ./ /opt
WORKDIR /opt

RUN apk --no-cache --update --upgrade add npm dumb-init
RUN npm install -g pnpm

# webapp dependencies and build
RUN pnpm install --filter webapp --prod=false --frozen-lockfile
RUN pnpm -F webapp build

# squash previous layers and reuse only artifacts
FROM node:20.6-alpine

ARG NODE_ENV
ENV NODE_ENV=$NODE_ENV
ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1

COPY ./ /opt
WORKDIR /opt

RUN apk --no-cache --update --upgrade add npm dumb-init
RUN npm install -g pnpm

# api dependencies
RUN pnpm install --filter api
RUN rm -rf /root/.local/

# webapp artifacts
COPY --from=build --chown=node:node /opt/packages/webapp/dist /opt/packages/api/dist

USER node
CMD dumb-init pnpm -F api start