Example for Dockerfile
FROM node:lts-alpine
WORKDIR /icu
RUN npm init -y && npm install full-icu
ENV NODE_ICU_DATA=/icu/node_modules/full-icu
WORKDIR /project
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 8080
CMD [ "node", "server.js" ]
The command should return the Russian name of the current month
node --icu-data-dir=/icu/node_modules/full-icu -e "console.dir(new Date().toLocaleString('ru',{month:'long'}));"