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Last pushed: 2 years ago
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Rails(+ Nginx, Unicorn) Dockerfile Pro

Easy useable docker for rails. more configuration, affordable production.

What's include

  • unicorn, nginx, foreman


  • Create Dockerfile to your project and paste below code.
# Dockerfile
FROM greenygh0st/rails-unicorn-nginx:v1.0-ruby2.2.0-nginx1.6.0
MAINTAINER Dale Myszewski (

#Again make sure everything is up-to-date
RUN apt-get update

# Add here your preinstall lib(e.g. imagemagick, mysql lib, pg lib, ssh config)

#(required) Install Rails App
ADD Gemfile /app/Gemfile
ADD Gemfile.lock /app/Gemfile.lock
RUN bundle install --without development test
ADD . /app

#(required) nginx port number
  • Add unicorn gem(maybe uncomment gem 'unicorn' in Gemfile)

Build and run docker

# build your dockerfile
$ docker build -t your/project .

# run container
$ docker run -d -p 80:80 -e SECRET_KEY_BASE=secretkey your/project


Easy Ruby On Rails deploy on Docker

Custom pre-install lib

if your rails app required lib like imagemagick(or mysql) you must install that before Install Rails App section

Install imagemagick

RUN apt-get -qq -y install libmagickwand-dev imagemagick

Install MySQL(for mysql, mysql2 gem)

RUN apt-get install -qq -y mysql-server mysql-client libmysqlclient-dev

Install PostgreSQL lib(for pg gem)

RUN echo "deb trusty-pgdg main" > /etc/apt/sources.list.d/pgdg.list && \
    apt-get update && \
    DEBIAN_FRONTEND=noninteractive \
    apt-get install -y --force-yes libpq-dev

Access bitbucket private repository

RUN mkdir /root/.ssh/
ADD id_rsa /root/.ssh/id_rsa
RUN touch /root/.ssh/known_hosts
RUN ssh-keyscan -t rsa >> /root/.ssh/known_hosts

Copy your ~/.ssh/id_rsa to id_rsa for bitbucket connection. if you don't need to bitbucket connection, create blank id_rsa. don't forget add id_rsa to .gitignore

Customize Nginx, Unicorn, foreman config


# your Dockerfile
ADD config/your-custom-nginx.conf /etc/nginx/sites-enabled/default


place your unicorn config to config/unicorn.rb


place your Procfile to app root

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