Some docker

dokku.md

Deploy to Dokku Steps

• Create droplet on DIGIOCEAN
• Update DNS
• install dokku

wget https://raw.githubusercontent.com/dokku/dokku/v0.10.5/bootstrap.sh;
sudo DOKKU_TAG=v0.10.5 bash bootstrap.sh

• Copy over deploy key

cat /path/to/public_key | ssh root@yourdokkuinstance "sudo sshcommand acl-add dokku [description]"

• Go to your droplet's IP address and set the virtual host name and save
• Create app on dokku

dokku apps:create your_app_name

• Create web app
• Create Dockerfile

FROM ruby:2.2

RUN curl -sL https://deb.nodesource.com/setup | bash - && \
  apt-get install -yq nodejs build-essential libpq-dev && \
  apt-get update

RUN mkdir /app
WORKDIR /app

ENV RACK_ENV "production"
ENV PORT 5000

COPY . .

RUN gem install bundler

USER root

# EXPOSE $PORT

ENTRYPOINT ["./startup.sh"]

• Add startup.sh to your project's root

#!/bin/bash

# Contents of startup.sh

bundle check || bundle install --without development,test

bundle exec rake assets:precompile

bundle exec rake db:migrate

bundle exec puma -e production

• Set DB to ENV var
• Set secretkeybase
• Install postgres plugin

dokku plugin:install https://github.com/dokku/dokku-postgres.git postgres
dokku postgres:create the_db
dokku postgres:link the_db my_app

• Install letsencrypt plugin

dokku plugin:install https://github.com/dokku/dokku-letsencrypt.git
dokku letsencrypt my_app

• push app
• setup database
• add letsencrypt email
• Get letsencrypt cert

startup.sh

#!/bin/bash

bundle check || bundle install --without development,test

bundle exec rake assets:precompile

bundle exec rake db:migrate

bundle exec puma -e production