CentOS based rails docker setup

docker-compose.yml

version: '3.6'

services:
  rails:
    # - container_name: my-app
    depends_on:
      - 'mariadb'
      - 'redis'
    build: .
    ports:
      - '80:3000'
      - '1234:1234' #ruby-debug-ide
      - '26126:26126'
    # environment:
    env_file:
      - '.env'
    # restart: on-failure
    command: bash -c 'bundle check || bundle install && sleep 100d'
    volumes:
      - '.bash_history:/root/.bash_history'
      - './:/home/myapp/application'
      - 'bundle:/bundle'

  mariadb:
    image: mariadb:${MARIADB_VERSION:-10.3.2}
    restart: always
    ports:
      - 3306
    env_file:
      - '.env'
    volumes:
      - 'mariadb:/var/lib/mysql'
      - './dump.sql:/docker-entrypoint-initdb.d/dump.sql'

  redis:
    image: 'redis:3.2-alpine'
    ports:
      - '6379:6379'
    volumes:
      - 'redis:/data'
    command: redis-server --appendonly yes 
    # restart: on-failure

  # Needs proper CORS setup on the rails server
  ui: # alpine based
    image: 'node:8.11-jessie'
    ports:
      - '3000:3000'
    volumes:
      - '../your_js_frontend_repo:/ui'
      - 'node_modules:/ui/node_modules'
    command: bash -c 'sleep 100d'
    # command: yarn start
    env_file:
      - '.env'
    environment:
      HOST: 0.0.0.0 

  sidekiq:
    depends_on:
      - 'rails'
      - 'mariadb'
      - 'redis'
    build: .
    command: bundle exec sidekiq -C config/sidekiq.yml 
    volumes:
      - './:/home/myapp/application'
      - 'bundle:/bundle'
    env_file:
      - '.env'
    # restart: on-failure

  # cable:
  #   depends_on:
  #     - 'redis'
  #   build: .
  #   command: puma -p 28080 cable/config.ru
  #   ports:
  #     - '28080:28080'
  #   volumes:
  #     - 'data:/app'
  #   env_file:
  #     - '.env'

volumes:
  redis:
  mariadb:
  bundle:
  node_modules:

Dockerfile

FROM drecom/centos-ruby:2.2.3
MAINTAINER Rainer Schuster <[email protected]>

ENV TZ Europe/Berlin
ENV LANG en_US.UTF-8

ENV APP_USER myapp
ENV APP_GROUP web

ENV HOME_DIR /home/${APP_USER}
ENV APP_DIR ${HOME_DIR}/application
ENV SHARED_DIR ${HOME_DIR}/shared
# ENV LOG_DIR $INSTALL_PATH/log
ENV APP_TMP_DIR ${APP_DIR}/tmp

# RUN yum check-update -y  && yum upgrade -y && 
RUN yum install -y build-essential htop vim curl ssh rsync bzip2 libicu-devel ntp  && yum clean all

RUN groupadd --gid 1000 $APP_GROUP && useradd --create-home --uid 1000 --gid 1000 --shell /bin/bash $APP_USER

RUN mkdir -p $APP_DIR
RUN mkdir -p $APP_TMP_DIR
RUN mkdir -p $SHARED_DIR

WORKDIR $APP_DIR

COPY app app/
COPY lib lib/
COPY bin bin/
COPY config config/
COPY db db/
# COPY public public/
COPY Gemfile* Rakefile config.ru Rakefile .pryrc *.rb ./

# RUN chown -R ${APP_USER}:${APP_GROUP} ${HOME_DIR}

# USER ${APP_USER}

ENV BUNDLE_PATH /bundle

VOLUME ["$APP_DIR"]
# CMD bundle exec unicorn -c config/unicorn.rb