Dockerfile

FROM node
# update dependencies and install curl
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*
# Create app directory
WORKDIR /app
# Install app dependencies
# A wildcard is used to ensure both package.json AND package-lock.json are copied
# where available (npm@5+)
COPY package*.json ./
# update each dependency in package.json to the latest version
RUN npm install -g npm-check-updates
RUN ncu -u
RUN npm install
RUN npm install express
# If you are building your code for production
# RUN npm ci --only=production
# Bundle app source
COPY . /app
EXPOSE 30100
CMD [ "node", "server.js" ]