dockerfile cmd example runnin

Example 1: multiple run dockerfile

RUN <<EOR
    cd /
    git clone https://github.com/
    cd /fileadmin/
    bundle install
    rake db:migrate
    bundle exec rails runner "eval(File.read 'createTestUser.rb')"
    mkdir /pending
    mkdir /live
    chmod 777 /pending
    chmod 777 /live
EOR

Example 2: how run dockerfile

# Use the official image as a parent image.
FROM node:current-slim

# Set the working directory.
WORKDIR /usr/src/app

# Copy the file from your host to your current location.
COPY package.json .

# Run the command inside your image filesystem.
RUN npm install

# Inform Docker that the container is listening on the specified port at runtime.
EXPOSE 8080

# Run the specified command within the container.
CMD [ "npm", "start" ]

# Copy the rest of your app's source code from your host to your image filesystem.
COPY . .