Dockerfile

# ================ #
#    Base Stage    #
# ================ #

FROM node:16-buster-slim as base

WORKDIR /usr/src/app

ENV CI=true

RUN apt-get update && \
	apt-get upgrade -y --no-install-recommends && \
	apt-get install -y --no-install-recommends dumb-init && \
	apt-get clean && \
	rm -rf /var/lib/apt/lists/*

COPY --chown=node:node yarn.lock .
COPY --chown=node:node package.json .
COPY --chown=node:node .yarnrc.yml .
COPY --chown=node:node .yarn/ .yarn/

RUN yarn dlx --quiet pinst --disable

ENTRYPOINT ["dumb-init", "--"]

# ================ #
#   Builder Stage  #
# ================ #

FROM base as builder

ENV NODE_ENV="development"

COPY --chown=node:node tsconfig.base.json tsconfig.base.json
COPY --chown=node:node src/ src/

RUN yarn install --immutable
RUN yarn run build

# ================ #
#   Runner Stage   #
# ================ #

FROM base AS runner

ENV NODE_ENV="production"
ENV NODE_OPTIONS="--enable-source-maps --max_old_space_size=4096"

COPY --chown=node:node .env .env
COPY --chown=node:node --from=builder /usr/src/app/dist dist

RUN yarn workspaces focus --all --production

USER node

EXPOSE 4000

CMD ["node", "dist/index.js"]