Not able to host app on Heroku using sqlite3 gem

[Piyush Chowhan]

Heroku Logs

Running: rake assets:precompile

       rake aborted!

       Gem::LoadError: Error loading the 'sqlite3' Active Record adapter. Missing a gem it depends on? sqlite3 is not part of the bundle. Add it to your Gemfile.

       /tmp/build_28ce13e795827133a7d6aa8c90c74c73/vendor/bundle/ruby/2.5.0/gems/bundler-1.15.2/lib/bundler/rubygems_integration.rb:377:in `block (2 levels) in replace_gem'   

 Tasks: TOP => environment

       (See full trace by running task with --trace)

 !

 !     Precompiling assets failed.

 !

 !     Push rejected, failed to compile Ruby app.

 !     Push failed

Any Idea?

[Karthikeyan A K]

Heroku supports postgres, so change the gem file in such a way that sqlite is used in development and gem "pg" is used in production.

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Karthikeyan A K

Founder of Code Tribe https://is.gd/codetribe

Author of https://mindaslab.github.io/I-Love-Ruby/

[Piyush Chowhan]

not able to run server 
What am I missing? 
rails s

Traceback (most recent call last):

2: from /usr/local/bin/rails:23:in `<main>'

1: from /Users/apple/.rvm/rubies/ruby-2.5.1/lib/ruby/site_ruby/2.5.0/rubygems.rb:308:in `activate_bin_path'

/Users/apple/.rvm/rubies/ruby-2.5.1/lib/ruby/site_ruby/2.5.0/rubygems.rb:289:in `find_spec_for_exe': can't find gem railties (>= 0.a) with executable rails (Gem::GemNotFoundException)

To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAJR%2B9kaqZzWKGDv5jomBpW3%2BsLMNWb-fcD202ijt%2BEmLvxO-mg%40mail.gmail.com.

For more options, visit https://groups.google.com/d/optout.

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Thanks & Regards

Piyush Chowhan