रेक निरस्त! Gem::LoadError:डेटाबेस एडेप्टर के लिए निर्दिष्ट 'postgresql'

कृपया नीचे दिए गए को बदलें

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug'
  gem 'sqlite3'
  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'

  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
end

इसके द्वारा

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug'
  gem 'pg'
  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'

  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
end

विकास और परीक्षण के लिए आपको gem pg . की आवश्यकता है gem sqlit3 . के बजाय postgresql अनुकूलक के लिए