Rails postgres default database user when using --database=postgresql

Question

I feel like I should know this, but I don't! 😞

When creating a new rails app with --database=postgresql the database.yml looks like:

...
default: &default
  adapter: postgresql
  encoding: unicode
  # For details on connection pooling, see Rails configuration guide
  # http://guides.rubyonrails.org/configuring.html#database-pooling
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>

development:
  <<: *default
  database: big_bustas_development
...

Now I can do all manner of rails db:create ...migrate...ect without explitly configuring a database user and password. What postgres credentials is rails using the accomplish this?

Sergey Andronov · Accepted Answer · 2018-06-29 15:11:48Z

10

PostgreSQL by default use your OS username. The default authentication mode for PostgreSQL is set to ident. Read this article and/or docs for more information.

answered Jun 29, 2018 at 15:11

Sergey Andronov

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1 Comment

Mark Locklear Over a year ago

Awesome. Thank you!

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