Getting H10 error when trying deploy RoR App at Heroku - ruby-on-rails

Question

Here is Heroku logs
Local everything work just fine
2016-02-21T21:48:36.961997+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.8/lib/rails.rb:11:in `<top (required)>'
2016-02-21T21:48:36.961999+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.8/lib/rails/commands/server.rb:4:in `<top (required)>'
2016-02-21T21:48:36.962004+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:74:in `server'
2016-02-21T21:48:36.962000+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:128:in `require'
2016-02-21T21:48:36.962006+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
2016-02-21T21:48:37.595114+00:00 heroku[web.1]: State changed from starting to crashed
Ruby -v 2.1.5
Rails -v 4.1.8
Gemfile
source 'https://rubygems.org'
ruby '2.1.5'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.1.8'
# Use sqlite3 as the database for Active Record
group :development, :test do
gem 'sqlite3'
gem 'rspec-rails', '~> 3.0'
gem 'factory_girl_rails', '~> 4.0'
gem 'guard'
gem 'guard-rspec', require: false
gem 'spork-rails'
gem 'guard-spork'
gem 'wdm'
end
gem 'active_link_to'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc
gem 'will_paginate', '~> 3.0.6'
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use unicorn as the app server
# gem 'unicorn'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
# Use debugger
# gem 'debugger', group: [:development, :test]
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin]
group :production do
gem 'rails_12factor'
gem 'pg'
end
gem 'devise'
gem 'cancancan'
gem 'stripe'
gem 'jruby-openssl'
gem 'highline', '~> 1.7', '>= 1.7.8'
gem 'byebug'
gem 'brakeman'
I'm new for Ror, So any help will be great
Working from Windows
StackOverflow asking me to add more details, but I have no idea what to add here, so I'm just writing this text

Answer 1

You certainly resently switch from sqlite to pg.
[heroku doc sayz] A crashed web dyno or a boot timeout on the web dyno will present this error.
Sqlite is a "dummy" db , it's permissive as hell you may have make tiny mistakes here and there , is it workin with pg locally?