GitHub - rwdaigle/demo-db-replication at 320378543cb05e21cd853f6916bb35b4f9162ae3

Branches Tags

Name		Name	Last commit message	Last commit date
Latest commit History 5 Commits
config		config
db/migrate		db/migrate
.env		.env
.gitignore		.gitignore
.rvmrc		.rvmrc
Gemfile		Gemfile
Gemfile.lock		Gemfile.lock
Procfile		Procfile
README		README
Rakefile		Rakefile
config.rb		config.rb
config.ru		config.ru

Repository files navigation

# Initial setup

heroku create --stack cedar
heroku addons:add heroku-postgresql:ronin
heroku pg:wait
heroku pg:promote HEROKU_POSTGRESQL_COLOR1
heroku run rake db:migrate

# Fork (~3-5 mins)

heroku addons:add heroku-postgresql:ronin --fork HEROKU_POSTGRESQL_COLOR1
heroku pg:wait
heroku pg:psql HEROKU_POSTGRESQL_COLOR1
> select count(*) from hits;
heroku pg:psql HEROKU_POSTGRESQL_COLOR2
> select count(*) from hits;
- hit site to increment hits
> select count(*) from hits;
- No change since was forked - not following master anymore
heroku addons:remove HEROKU_POSTGRESQL_COLOR2

# Follow

heroku addons:add heroku-postgresql:ronin --follow HEROKU_POSTGRESQL_COLOR1
heroku pg:wait
heroku pg:psql HEROKU_POSTGRESQL_COLOR3
> select count(*) from hits;
- hit site to increment hits
> select count(*) from hits;
- Incrementing since it's following master
heroku addons:remove HEROKU_POSTGRESQL_COLOR3