postgresql - How to create new postgres user for a new Rails project? -


i created new rails project rails new devise_gem_app -d postgresql , changed config/database.yml these:

default: &default   adapter: postgresql   encoding: unicode   username: devise_gem_app   password: devise_gem_app   host: localhost  development:   <<: *default   database: devise_gem_app_development  test:   <<: *default   database: devise_gem_app_test

but don't know how connect user batabase

i create user this: createuser devise_gem_app -w set super user , set password to: devise_gem_app.

but when try rake db:migrate get:

pg::connectionbad: fatal:  password authentication failed user "devise_gem_app" fatal:  password authentication failed user "devise_gem_app"

i chenged last line of pg_hbf.conf to:

#local   replication     postgres   trust

... , nothing ...

i know should easy don't see doing wrong.

i'm not sure createuser command doing, set password devise_gem_app user directly in postgres.

alter user devise_gem_app password 'devise_gem_app';

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