![]() With no further work, bin/rails server will run our new shiny Rails app: You'll use this any time you want to access your application through a web browser. The bin/rails server command launches a web server named Puma which comes bundled with Rails. ĭb:schema:load Load a database schema file (either db/schema.rb or db/structure.sql. ĭb:migrate:status Display status of migrationsĭb:schema:cache:clear Clears a db/schema_cache.yml fileĭb:schema:cache:dump Create a db/schema_cache.yml fileĭb:schema:dump Create a database schema file (either db/schema.rb or db/structure.sql. In addition to those commands, there are:Īssets:clean Remove old compiled assetsĪssets:environment Load asset compile environmentĪssets:precompile Compile all the assets. Server Start the Rails server (short-cut alias: "s")Īll commands can be run with -h (or -help) for more information. Generate Generate new code (short-cut alias: "g")Ĭonsole Start the Rails console (short-cut alias: "c") Each command has a description, and should help you find the thing you need. You can get a list of rails commands available to you, which will often depend on your current directory, by typing rails -help. In the order of how much you'll probably use them are: ![]() There are a few commands that are absolutely critical to your everyday usage of Rails. It generated a database configuration corresponding to our choice of PostgreSQL. # Configure Using Gemfile # gem "pg" # default : &default adapter : postgresql encoding : unicode # For details on connection pooling, see Rails configuration guide # pool : development : << : *default database : petstore_development. # Install PostgreSQL and put its /bin directory on your path. # Install the pg driver: # gem install pg # On macOS with Homebrew: # gem install pg -with-pg-config=/usr/local/bin/pg_config # On Windows: # gem install pg # Choose the win32 build. Let's see what a -database=postgresql option will do for us: Of database your application is going to use. When creating a new Rails application, you have the option to specify what kind For a full list of options, type rails new -help. These are just some of the options that rails new accepts. If you wish to skip some files from being generated or skip some libraries, you can append any of the following arguments to your rails new command: Argument ![]() Rails will set up what seems like a huge amount of stuff for such a tiny command! We've got the entire Rails directory structure now with all the code we need to run our simple application right out of the box.
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