User
- password_digest
- first_name
- last_name
- current_city
- prof_photo (add using CarrierWave)
- has_many posts
- has_many comments
City
- city_name (SF, London, Gibraltar)
- photo
- has_many posts
Post
- title
- content
- belongs_to city
- belongs_to user
- has_many comments
Comment
- content
- belongs_to post
- belongs_to user
Things you may want to cover:
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Ruby version
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System dependencies
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Configuration
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Database creation
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Database initialization
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How to run the test suite
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Services (job queues, cache servers, search engines, etc.)
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Deployment instructions
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...