Redmine

h1. HowTo Install Redmine (3.x.x) on Heroku 

Refer to these article

* https://stackoverflow.com/questions/39261996/heroku-and-rails-gem-load-error-with-postgres-however-it-is-specified-in-gemfi

* https://medium.com/mozaix-llc/how-to-deploy-redmine-to-heroku-41684d888b05

First, git clone to Redmine stable source

<pre>

git clone https://github.com/redmine/redmine.git -b 3.4-stable

</pre>

And move to redmine project directory

<pre>

cd redmine

</pre>

Edit .gitignroe file, and remove such line's

<pre>

Gemfile.lock

Gemfile.local

public/plugin_assets 

config/initializers/session_store.rb 

config/initializers/secret_token.rb 

config/configuration.yml 

config/email.yml

</pre>

Editing Gemfile, remove or comment this block

<pre>

database_file = File.join(File.dirname(__FILE__), "config/database.yml")

 if File.exist?(database_file)

   database_config = YAML::load(ERB.new(IO.read(database_file)).result)

   adapters = database_config.values.map {|c| c['adapter']}.compact.uniq

   if adapters.any?

     adapters.each do |adapter|

       case adapter

       when 'mysql2'

         gem "mysql2", "~> 0.4.6", :platforms => [:mri, :mingw, :x64_mingw]

       when /postgresql/

         gem "pg", "~> 0.18.1", :platforms => [:mri, :mingw, :x64_mingw]

       when /sqlite3/

         gem "sqlite3", (RUBY_VERSION < "2.0" && RUBY_PLATFORM =~ /mingw/ ? "1.3.12" : "~>1.3.12"),

                        :platforms => [:mri, :mingw, :x64_mingw]

       when /sqlserver/

         gem "tiny_tds", (RUBY_VERSION >= "2.0" ? "~> 1.0.5" : "~> 0.7.0"), :platforms => [:mri, :mingw, :x64_mingw]

         gem "activerecord-sqlserver-adapter", :platforms => [:mri, :mingw, :x64_mingw]

       else

         warn("Unknown database adapter `#{adapter}` found in config/database.yml, use Gemfile.local to load your own database gems")

       end

     end

   else

    warn("No adapter found in config/database.yml, please configure it first")

   end

 else

  warn("Please configure your config/database.yml first")

 end

</pre>

And add this block

<pre>

group :production do

  gem 'pg', '~> 0.20'

end

</pre>

install the gem's to bundle install

<pre>

bundle install

</pre>

get secret token with this command

<pre>

rake generate_secret_token 

</pre>

In config/enviroment.rb edit to "exit 1" (remove or comment)

<pre>

 exit 1

</pre>

In config/application.rb add to this line

<pre>

config.assets.initialize_on_precompile = false

</pre>

Create to Heroku App

<pre>

heroku apps:create -a APP_NAME

</pre>

Add, postgreaql addon's

<pre>

heroku addons:create heroku-postgresql 

</pre>

Link to remote (heroku)

<pre>

heroku git:remote -a APP_NAME

</pre>

Deploy to Heroku these command

<pre>

git add -A

git commit -m “Redmine for Heroku deployment”

git push heroku 3.4-stable:master

</pre>

Finally, migrate & loding default data

<pre>

heroku run rake db:migrate

heroku run rake redmine:load_default_data

</pre>