Dockerfile

FROM node:alpine as builder
RUN apk update && apk add curl yarn python3 build-base gcc wget git --no-cache
RUN curl -sf https://gobinaries.com/tj/node-prune | sh

WORKDIR /usr/src/app

ENV npm_config_target_arch=x64
ENV npm_config_target_platform=linux
ENV npm_config_target_libc=musl

# Cache deps
COPY package.json yarn.lock ./
RUN yarn --production --prefer-offline --pure-lockfile

# Build
COPY generate_translations.js \
  tsconfig.json \
  webpack.config.js \
  .babelrc \
  ./

COPY lemmy-translations lemmy-translations
COPY src src
COPY .git .git

# Set UI version 
RUN echo "export const VERSION = '$(git describe --tag)';" > "src/shared/version.ts"

RUN yarn --production --prefer-offline
RUN yarn build:prod

# Prune the image
RUN node-prune /usr/src/app/node_modules

RUN rm -rf ./node_modules/import-sort-parser-typescript
RUN rm -rf ./node_modules/typescript
RUN rm -rf ./node_modules/npm

RUN du -sh ./node_modules/* | sort -nr | grep '\dM.*'

FROM node:alpine as runner
COPY --from=builder /usr/src/app/dist /app/dist
COPY --from=builder /usr/src/app/node_modules /app/node_modules

EXPOSE 1234
WORKDIR /app
CMD node dist/js/server.js