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Containerize your Application With Docker

FROM node:14-alpine

# install git creating working directory
RUN apk update && apk upgrade && \
    apk add --no-cache bash git openssh && \
    mkdir -p /usr/src/app

# copy files to working directory
COPY . /usr/src/app/

# change to working directory
WORKDIR /usr/src/app

# install node dependencies
RUN npm install

# expose server port
EXPOSE 3000-5001

# launch application
CMD ["npm","start"]

From my Docker Repo

Containerize your Application With Docker

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