sx docker 初步

docker-compose.yml

db:
  image: mysql
  ports:
    # - "3306"
      - "3306:3306"
  environment:
    MYSQL_ROOT_PASSWORD: ''
    # MYSQL_USER: dev
    # MYSQL_PASSWORD: 123456
    MYSQL_DATABASE: get_real_development

# rails:
  # image: rails:4.2.5

# node:
  # image: node

# java:
  # image: java

# javasdk:
  # image: javasdk

redis:
  image: redis
  ports:
    - "6379"

elasticsearch:
  image: elasticsearch
  ports:
    - "9920"

web:
  build: .
  command: bundle exec rails s -p 3000 -b0
  volumes:
    - ~/get-real/:/var/www/get-real
  ports:
    - "3000:3000"
  links:
    - db
    - redis
    - elasticsearch

# 独占端口、socket：nginx

# 语言：ruby, node, java

# 服务：mysql, redis, elasticsearch, memcached, cron

# 其它：sidekiq、tmux、unicorn、rbenv

# 软件：rails, gem, openjdk, openssh, git, image_magic, nokogiri

Dockerfile

FROM ruby:2.3.0


RUN cp /etc/apt/sources.list /etc/apt/sources.list.backup
RUN sed -i -e "s/archive\.ubuntu\.com/mirrors\.163\.com/g" /etc/apt/sources.list


RUN apt-get update


RUN apt-get update -qq && apt-get install -y build-essential

RUN apt-get install -y git-core curl
RUN apt-get install -y ruby-dev

# for nokogiri
RUN apt-get install -y libxml2-dev libxslt1-dev


# for a JS runtime
RUN apt-get install -y nodejs

# install essentials
RUN apt-get -y install build-essential
RUN apt-get install -y -q git

# RUN add-apt-repository -y ppa:chris-lea/nginx-devel
# RUN apt-get install -y -q nginx-full

# Install rbenv
# RUN git clone https://github.com/sstephenson/rbenv.git /usr/local/rbenv
# RUN echo '# rbenv setup' > /etc/profile.d/rbenv.sh
# RUN echo 'export RBENV_ROOT=/usr/local/rbenv' >> /etc/profile.d/rbenv.sh
# RUN echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> /etc/profile.d/rbenv.sh
# RUN echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh
# RUN chmod +x /etc/profile.d/rbenv.sh

# install ruby-build
# RUN mkdir /usr/local/rbenv/plugins
# RUN git clone https://github.com/sstephenson/ruby-build.git /usr/local/rbenv/plugins/ruby-build

# ENV RBENV_ROOT /usr/local/rbenv

# ENV PATH "$RBENV_ROOT/bin:$RBENV_ROOT/shims:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
# does not work. PATH is set to
# $RBENV_ROOT/shims:$RBENV_ROOT/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

# install ruby3
# RUN rbenv install 2.3.0

# RUN mkdir -p /var/www/get-real/
VOLUME ["/var/www/get-real"]

ENV APP_HOME /var/www/get-real
# RUN mkdir $APP_HOME
WORKDIR $APP_HOME

# ADD Gemfile* $APP_HOME/
RUN gem sources --remove https://rubygems.org/
RUN gem sources --remove http://rubygems.org/
RUN gem sources --add https://gems.ruby-china.org/


RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc


RUN gem install bundler
# RUN gem update --system
# RUN bundle install -V

# ADD . $APP_HOME

EXPOSE 3000
CMD ["rails", "server", "-b", "0.0.0.0"]


# 已经有 image 的，则直接用，注意版本；
# 其它的软件统统放到自己的 ubuntu 里。