Docker.2019

Rails + Docker 
* docker run -it -v ${PWD}:/usr/src/app -w /usr/src/app rails rails new --skip-bundle my_awesome_app
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Dockerfile

FROM ruby:2.3

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

RUN apt-get update && apt-get install -y nodejs --no-install-recommends && rm -rf /var/lib/apt/lists/*
RUN apt-get update && apt-get install -y sqlite3 --no-install-recommends && rm -rf /var/lib/apt/lists/*

COPY Gemfile /usr/src/app/

RUN bundle install

COPY . /usr/src/app

EXPOSE 3000
CMD puma -C config/puma.rb

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docker build -t my_awesome_app .
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docker run -v ${PWD}:/usr/src/app my_awesome_app rails db:create
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docker run -v ${PWD}:/usr/src/app my_awesome_app rails g scaffold notice title:text body:text
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docker run -v ${PWD}:/usr/src/app my_awesome_app rails db:migrate
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docker run -v ${PWD}:/usr/src/app -t -p 3000:3000 my_awesome_app
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http://localhost:3000/notices