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Generating a new Ruby on Rails Application

4:36 with Jim Hoskins

In this video, we generate our Ruby on Rails application. We make sure we have the latest version of Rails installed, and generate the new app.

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[Master Class] [Designer and Developer Workflow] [Generating the Project] 0:00

So, I just got done with my planning meeting with Nick, 0:06

and he's going to start working on some wire frames, but what I want to do 0:08

is get him some real code as soon as possible. 0:11

So, what I'm going to do is set up a get repository 0:13

so we can share code between each other. 0:15

And then I want to actually create the Rails application and generate the jobs model 0:18

and views so he can start working on them. 0:21

So, let's get to it. 0:24

What I need to do is figure out right now what I need to do and in what order, 0:26

because right now, Nick is in the process of beginning his design work in parallel. 0:30

So, there are some things that I need to get done soon so Nick can begin doing his work. 0:34

Namely, I know that Nick likes to design in actual views in the page. 0:39

He doesn't really spend a whole lot of time working in Photoshop 0:43

and really works on creating his own HTML as he goes. 0:46

Now, he can do that in his own HTML files, but really it's going to be a lot better 0:50

if he has a Rails scaffold to work on so he can just work directly in the views. 0:55

So really, my priority here is to get the project set up and to be able to get him the project 1:00

with some views that he can begin working on. 1:06

So, our first course of action is going to be to generate the Rails project. 1:09

After that, we need to set up Git. 1:14

Now, I'm going to be using GitHub to store our repository, 1:18

and then Nick can push and pull from GitHub, and I can push and pull from GitHub, 1:21

and that's how we'll keep our code in sync. 1:25

So, I need to go to GitHub and set up a new project and get it set up so we can 1:28

push into that project, and then I'll be sending Nick the details so he can get set up 1:32

and pull on the project as soon as possible. 1:36

Then I want to go ahead and generate a scaffold for our jobs. 1:40

And we decided in this iteration we really just want to be able to post jobs 1:48

and be able to view them from the client side. 1:51

So basically, for Nick to be able to do his job, he just needs to be able to have 1:54

the index view and the show view for the job, and then an interface 1:58

so he can set up test data in his local account. 2:02

So, the first thing we want to do is, let's go ahead and just generate a new Rails project. 2:06

But first, we need to make sure we have Rails installed. 2:10

So, what I'm going to do first is install Rails. 2:13

So, we'll just do sudo gem install rails. 2:17

This will take a little while to install Rails, so we'll just skip ahead. 2:20

And we're done. 2:31

So, I'm in my projects directory, and let's go ahead and generate our Rails project. 2:33

So, let's take a look at the options that we can do for Rails 2:39

and see if we want to specify any of them when we generate it. 2:41

So basically, our options here are to work with what database we want to use, 2:50

and I think ultimately, we're probably going to deploy onto Postgres, 2:55

but for our development purposes, I'm going to work with the default SQLite3, 2:59

and this is because it's just really easy to set up. 3:03

It's just a local file, and it's going to work for us. 3:06

We shouldn't need to do anything advanced that would require us to really 3:09

step out of the database agnostic part of active record, 3:13

so we can use really any database that we want. 3:17

So, the other thing we are probably going to go ahead and skip are the prototype files, 3:20

and these are the JavaScript files right now included by default with Rails. 3:25

We're going to be using jQuery, and jQuery in Rails 3.1 would be the default, 3:28

but right now, prototype is the default, so let's go ahead and skip those, 3:33

and we'll be adding in the jQuery parts momentarily. 3:37

So basically, to create a new Rails project, we're going to type in 3:41

"rails new" to generate the project, and let's give it a name. 3:45

We'll call it "easyjobs," and we'll pass in "- J" to skip the prototype files. 3:49

So, let's see what happens when we do that. 3:56

So, it's gone ahead and created everything, and if we look at our files, 3:59

we'll see there's an easy jobs directory, so let's just jump into that. 4:02

So, if I clear this out and we take a look inside, we have a Rails project. 4:08

Now, I'm going to go ahead and open up the Rails project in my text editor TextMate. 4:12

Now, here we have our Rails project set up and ready for us to use, 4:18

and it looks pretty good. 4:22

We can look into our public directory inside JavaScripts, 4:24

and we can see that the prototype files are not there. 4:28

We just have a basic application.js, and we'll be setting up our defaults later. 4:31

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