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What is happening
Rails db: CREATE RAILS_ENV= ProductionEnter the following to enter:

$ RAILS DB: CREATE RAILS_ENV= Production
Fatal: ??? "ROOT" ??? (Peer) ????????
COULDN'T CREATE 'TRAVELOR_PROTE' DATABASE. PLEASE CHECK YOUR Configuration.
Rails ABORTED!
PG :: ConnectionBad: Fatal: ??? "ROOT" ??? (Peer) ????????

FATAL: ??? "ROOT" ??? (Peer) ????????It is displayed as
First of all, I'm out of what kind of thing I'm out, I do not understand for something
Is it garbled?
What kind of manager says that there is root and peer?
I would like to ask you to prepare for someone who has such a similar error.

Relating file
config /database.yml

Default: &
DEFAULT
  Adapter: PostgreSQL
  EncoDing: Unicode
  # For Details on Connection Pooling, See Rails Configuration Guide, CONFICTION POOLING
  # Https://guides.rubyonrails.org/configuring.html#database-pooling
  POOL: <
%= Env.fetch ("Rails_max_threads") {5}% >
Development:
  ≪
≪
* DEFAULT
  Database: TravelOur_Development
Test:
  ≪
≪
* DEFAULT
  DATABASE: TraveLour_Test
Production:
  ≪
≪
* DEFAULT
  Database: TravelOur_Production
  USERNAME: ROOT
  Password:

If you try to display a Japanese error message, $ LC_ALL= C RAILS DB: CREATE RAILS_ENV= PRODUCTION may display English error messages.

774RR2021-04-27 14:59:10