Background: I accept been a Ruby developer for a few years, and I afresh began acquirements Elixir. I am bound falling in adulation with Elixir and the Archetype framework, and am aflame about the possibilities presented by these technologies. Abundant like what Rails did for Ruby, Archetype is bringing Elixir into acceptance because it enables developers to body fast, abiding applications actual efficiently, and makes it accessible to assignment with absolute time data.
At the time of writing, I accept ~1 anniversary acquaintance with Phoenix. Similar to Rubber Ducky Debugging, I am autograph this blog column to force myself to anticipate abnormally about the problems I am analytic and accordingly accretion a bigger compassionate of the accent and framework. If you see any errors in the cipher or accept account for improvements, amuse bead me a bulletin beneath or abide a cull request!
If you are absolutely new to Elixir, I acclaim Programming Elixir, and Programming Phoenix, as they will call the fundamentals abundant bigger that I can.
As a accolade to my admired babble appliance Slack, we will be architecture a carbon alleged Sling. I will be attached the cardinal of appearance for the brevity of this post, but we’ll body abundant to apprentice about the fundamentals of Phoenix.
Slack has a abstraction of teams, and anniversary aggregation can accept any cardinal of channels. Members of the aggregation can accompany channels, and the channels are area chats booty place. To accumulate a simple, collapsed structure, we will not be creating teams, instead we will accept apartment which any registered user can join, and chats will booty abode in the allowance instead of adolescent channels.
We will additionally be implementing the air-conditioned new Archetype Presence bore so we can see a account of all users currently present in anniversary babble room.
I appetite to be as cellophane as accessible about how I access architecture applications, so I will attack to breach up the assignment into small, incremental accomplish and articulation to the abounding git diffs so you can see how the cipher evolves.
If you don’t accept Elixir or Archetype installed, alpha here.
For a absolute application, it ability accomplish faculty to actualize two absolutely abstracted cipher repositories for the Archetype API and the Acknowledge app, but for the account of this blog column I will accumulate them in the aforementioned repo. Accordingly the activity will attending like this:
Let’s get started!
Make a new binder for our repo
Generate a new Archetype app (fetch dependencies back requested). We will be appliance Archetype carefully as a JSON API. Accordingly we will skip installing Phoenix’s absence asset administrator Brunch with the–no-brunch option, and skip creating the html templates and browser routes with–no-html.
I will be axle the Acknowledge app with create-react-app. This alarming apparatus will acquiesce us to bureaucracy our frontend after accepting to accord with any Webpack configuration.
Install the create-react-app cli if needed
Create the Acknowledge app
Awesome. Now we accept two barebones applications scaffolded for us.
We accept to actualize our database to get the Archetype app up and running. The development database config is amid in sling/api/config/dev.exs. The absence postgres user and countersign ethics are both “postgres”, which is not what I accept bureaucracy on my computer. For aegis and to accomplish it accessible for assorted developers to assignment on this project, let’s override these ethics by creating a new book dev.secret.exs. This book will additionally charge to be added to your .gitignore so it does not get committed. The new book will attending article like this:
At the basal of dev.exs we charge to acceptation this book so it’s capacity override the agreement aloft it.
Now we can actualize the database (make abiding you are in the api agenda back active mix tasks)
The database is created, and we can alpha Archetype by running
If you accessible up http://localhost:4000 you should see the Archetype acceptable page.
We apperceive Archetype is working, so let’s about-face apparatus and get the Acknowledge app up and running.
Our create-react-app arch gave us a alive application. So if you run npm start, you will see the armpit active at http://localhost:3000. But I appetite to atom that boilerplate and set up our own with redux and react-router. I will alpha by deleting every book in web/src.
Instead of managing our dependencies with npm, I will be appliance the new yarn amalgamation manager. Analysis out the accession adviser to get started with yarn.
I apperceive there are a scattering of bales that we will be appliance in this project, so let’s install all of them at once. (Make abiding you are in the web agenda back active our npm/yarn tasks).
You’ll apprehension I’m appliance the v4-alpha adaptation of react-router, it’s a big change from react-router v2, but I capital to booty this adventitious apprentice the new router api. I apprehend some big updates to be appear soon, so I will be afterlight this blog column back that time comes.
I will additionally be appliance breeze & eslint with Airbnb’s styleguide. You can install these dev dependencies with yarn.
Linting rules can be a claimed preference, but for reference, actuality is the .eslintrc I will be using. The react/no-unused-prop-types aphorism is disabled because of some conflicts with flowtype, so hopefully I will be able to accredit that in the future.
There are abounding means to anatomy a Acknowledge project, anniversary alms tradeoffs. For this project, I anticipate it makes faculty to accept a containers agenda which will authority our apparatus affiliated to the redux store, a apparatus agenda for all added components, an accomplishments and reducers binder which will accommodate altered files afar by apropos like a user session, or accepted room, and a abundance agenda to configure the redux store. Let’s alpha putting these pieces together.
Create our appliance access point at sling/web/src/index.js. This book imports the redux abundance agreement we will actualize in a moment, imports our capital App container, and mounts it to <div id=”root” /> in the index.html file.
Create the abundance at sling/web/src/store/index.js. This book is importing the redux reducers we will actualize in a moment, and applying the redux-thunk middleware which will advice us handle asynchronous accomplishments and Promises.
Create our basis reducer at sling/web/src/reducers/index.js. This book will be importing added reducers soon, but for now we are aloof base it up with redux-form. Also, instead of exporting our capital combineReducers function, we consign a reducer which reacts to a accomplished ‘LOGOUT’ action. Back it receives a logout, it allotment our appReducer with amorphous as the aboriginal argument, which will force anniversary reducer to acknowledgment it’s antecedent state. In effect, this cleans up all redux accompaniment back a user logs out, so no abstracts leaks through to the aing user’s session.
Now we charge to actualize our capital App container. This book is appliance the new react-router v4 setup, apprehension routes as apparatus instead of appliance a axial avenue config file. Right now we alone accept two routes, a Home folio and the NotFound basic for incomparable routes.
At this point, our Home folio is a simple stateless component.
And our NotFound basic is additionally a stateless component
That is all of our antecedent redux boilerplate. If you alpha the acknowledge app with npm start, you will see our Home page.
At this point, our backend and frontend still don’t apperceive annihilation about anniversary other. This is a acceptable time for a break, in allotment 2 we will activate hooking these calm and ambience up user accounts and authentication.
Read allotment 2 or appearance the alive demo
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