fix migration

app/models/city.rb

 class City < ApplicationRecord
 class City < ApplicationRecord
   has_and_belongs_to_many :jobs
   has_and_belongs_to_many :jobs
+  has_and_belongs_to_many :companies
   has_many :regions
   has_many :regions
 end
 end

app/models/company.rb

 class Company < ApplicationRecord
 class Company < ApplicationRecord
   has_and_belongs_to_many :cities
   has_and_belongs_to_many :cities
+  has_many :jobs
 end
 end

app/models/industry.rb

 class Industry < ApplicationRecord
 class Industry < ApplicationRecord
+  has_and_belongs_to_many :jobs
 end
 end

app/models/job.rb

 class Job < ApplicationRecord
 class Job < ApplicationRecord
   has_and_belongs_to_many :users
   has_and_belongs_to_many :users
+  has_and_belongs_to_many :industries
+  has_and_belongs_to_many :cities
   has_many :applies_jobs
   has_many :applies_jobs
   has_many :users, through: :applies_jobs
   has_many :users, through: :applies_jobs
+  belongs_to :company
 end
 end