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- # How to setup PostgreSQL & Rails on Cloud9
- At time of writing, Cloud9 has PostgreSQL pre-installed, so you won't need to install it yourself. However, its not running by default, so you will need to start it with this command in the terminal:
- ```sh
- sudo service postgresql start
- ```
- Change the PostgreSQL password to 'password' (or choose a different password):
- ```sh
- sudo sudo -u postgres psql
- # This will open the psql client.
- # Type \password and press enter to begin process
- # of changing the password:
- postgres=# \password
- # Type your new password (e.g. "password") and press enter twice:
- Enter new password:
- Enter it again:
- # Password changed, quit psql with \q
- postgres=# \q
- ```
- Edit your `config/database.yml` to be:
- ```yml
- default: &default
- adapter: postgresql
- encoding: unicode
- pool: 5
- # Important configs for cloud9, change password value
- # to what you entered in the previous psql step.
- template: template0
- username: ubuntu
- password: password
- development:
- <<: *default
- database: your_app_name_development
- test:
- <<: *default
- database: your_app_name_test
- production:
- <<: *default
- database: your_app_name_production
- username: your_app_name
- password: <%= ENV['YOUR_APP_NAME_DATABASE_PASSWORD'] %>
- ```
- (Note the `template`, `username`, and `password` configs in the `default` section above are essential).
- Add the `pg` gem to your `Gemfile`:
- ```rb
- gem 'pg'
- ```
- Run `bundle install`.
- Remove the sqlite gem from your `Gemfile` (and optionally delete the `db/*.sqlite3` files).
- Create the database, load schema.rb, and seed the database using the `db:setup` task:
- ```bash
- bundle exec rake db:setup
- # Run bin/rake -AD db to see all db-related tasks
- ```
- Start or restart your rails app and check it is working.
- Note, the non-seed data from your old sqlite database will not be present in the new database.
- If you ever want to use the psql client to interact with PostgreSQL directly, in the terminal run `psql` or run `bin/rails db`.
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