Dockerfile

FROM node:14.16.0-alpine As dependencies

WORKDIR /usr/src/app

COPY package*.json ./

# install dependencies
RUN npm install

FROM node:14.16.0-alpine as development

ARG APP_NAME
ENV APP_NAME ${APP_NAME}

# requirements
RUN apk update && apk add curl bash && rm -rf /var/cache/apk/*

# install node-prune (https://github.com/tj/node-prune)
RUN curl -sfL https://gobinaries.com/tj/node-prune | bash -s -- -b /usr/local/bin

WORKDIR /usr/src/app

COPY --from=dependencies /usr/src/app/node_modules ./node_modules

COPY . .

# build application
RUN npm link webpack && \
  npm run build $APP_NAME

# run node prune
RUN /usr/local/bin/node-prune

# remove unused dependencies
RUN rm -rf node_modules/rxjs/src/
RUN rm -rf node_modules/rxjs/bundles/
RUN rm -rf node_modules/rxjs/_esm5/
RUN rm -rf node_modules/rxjs/_esm2015/
RUN rm -rf node_modules/swagger-ui-dist/*.map

FROM node:14.16.0-alpine as production

ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

WORKDIR /usr/src/app

# copy from build image
COPY --from=development /usr/src/app/dist ./dist
COPY --from=development /usr/src/app/node_modules ./node_modules

# required for migrations
COPY libs/orm-migrations/ libs/orm-migrations/
COPY ormconfig.js ./

# required for run
COPY entrypoints/ ./
COPY package.json ./
COPY tsconfig.json ./

EXPOSE 3000

CMD [ "/bin/sh", "run.sh" ]