2N App Template

credentials

rails credentials:edit

deployment

config files

github_secrets

repository settings

optional

app-specific

DaisyUI Components

<button class="btn btn-primary">Primary</button>
<button class="btn btn-secondary">Secondary</button>
<button class="btn btn-accent">Accent</button>

<!-- Theme: app/frontend/stylesheets/daisyui.css -->

ViewComponent

# app/components/button_component.rb
class ButtonComponent < ViewComponent::Base
  def initialize(label:, variant: :primary)
    @label = label
    @variant = variant
  end
end

# Usage in view:
<%= render ButtonComponent.new(label: "Click") %>

Pagy Pagination

# Controller
@pagy, @records = pagy(:offset, Model.all)

# View
<%== @pagy.series_nav %>

Pundit Authorization

# app/policies/post_policy.rb
class PostPolicy < ApplicationPolicy
  def update?
    record.user == user
  end
end

# Controller: authorize @post

Shrine File Upload

# Model
class User < ApplicationRecord
  include ImageUploader::Attachment(:avatar)
end

# Form
<%= form.file_field :avatar %>

Meta Tags

# Controller
set_meta_tags(
  title: 'Page Title',
  description: 'Page description',
  og: { title: 'OG Title' }
)

# View: <%= display_meta_tags %>