diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 00000000..7898fbf8
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,3 @@
+{
+  "extends": "eslint-config-discourse"
+}
diff --git a/.github/workflows/plugin-linting.yml b/.github/workflows/plugin-linting.yml
new file mode 100644
index 00000000..a121658d
--- /dev/null
+++ b/.github/workflows/plugin-linting.yml
@@ -0,0 +1,53 @@
+name: Linting
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12
+
+      - name: Set up ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+
+      - name: Setup bundler
+        run: gem install bundler -v 2.1.4 --no-doc
+
+      - name: Setup gems
+        run: bundle install --jobs 4
+
+      - name: Yarn install
+        run: yarn install --dev
+
+      - name: ESLint
+        run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern {test,assets}/javascripts
+
+      - name: Prettier
+        run: |
+          yarn prettier -v
+          if [ -d "assets" ]; then \
+            yarn prettier --list-different "assets/**/*.{scss,js,es6}" ; \
+          fi
+          if [ -d "test" ]; then \
+            yarn prettier --list-different "test/**/*.{js,es6}" ; \
+          fi
+
+      - name: Ember template lint
+        run: yarn ember-template-lint assets/javascripts
+
+      - name: Rubocop
+        run: bundle exec rubocop .
\ No newline at end of file
diff --git a/.github/workflows/plugin-tests.yml b/.github/workflows/plugin-tests.yml
new file mode 100644
index 00000000..ce6112af
--- /dev/null
+++ b/.github/workflows/plugin-tests.yml
@@ -0,0 +1,137 @@
+name: Plugin Tests
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+  build:
+    name: ${{ matrix.build_type }}
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    env:
+      DISCOURSE_HOSTNAME: www.example.com
+      RUBY_GLOBAL_METHOD_CACHE_SIZE: 131072
+      RAILS_ENV: test
+      PGHOST: localhost
+      PGUSER: discourse
+      PGPASSWORD: discourse
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        build_type: ["backend", "frontend"]
+        ruby: ["2.7"]
+        postgres: ["12"]
+        redis: ["4.x"]
+
+    services:
+      postgres:
+        image: postgres:${{ matrix.postgres }}
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_USER: discourse
+          POSTGRES_PASSWORD: discourse
+        options: >-
+          --mount type=tmpfs,destination=/var/lib/postgresql/data
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          repository: discourse/discourse
+          fetch-depth: 1
+
+      - name: Install plugin
+        uses: actions/checkout@v2
+        with:
+          path: plugins/${{ github.event.repository.name }}
+          fetch-depth: 1
+
+      - name: Check spec existence
+        id: check_spec
+        uses: andstor/file-existence-action@v1
+        with:
+          files: "plugins/${{ github.event.repository.name }}/spec"
+
+      - name: Check qunit existence
+        id: check_qunit
+        uses: andstor/file-existence-action@v1
+        with:
+          files: "plugins/${{ github.event.repository.name }}/test/javascripts"
+
+      - name: Setup Git
+        run: |
+          git config --global user.email "ci@ci.invalid"
+          git config --global user.name "Discourse CI"
+
+      - name: Setup packages
+        run: |
+          sudo apt-get update
+          sudo apt-get -yqq install postgresql-client libpq-dev gifsicle jpegoptim optipng jhead
+          wget -qO- https://raw.githubusercontent.com/discourse/discourse_docker/master/image/base/install-pngquant | sudo sh
+
+      - name: Update imagemagick
+        if: matrix.build_type == 'backend'
+        run: |
+          wget https://raw.githubusercontent.com/discourse/discourse_docker/master/image/base/install-imagemagick
+          chmod +x install-imagemagick
+          sudo ./install-imagemagick
+
+      - name: Setup redis
+        uses: shogo82148/actions-setup-redis@v1
+        with:
+          redis-version: ${{ matrix.redis }}
+
+      - name: Setup ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Lint English locale
+        if: matrix.build_type == 'backend'
+        run: bundle exec ruby script/i18n_lint.rb "plugins/${{ github.event.repository.name }}/locales/{client,server}.en.yml"
+
+      - name: Get yarn cache directory
+        id: yarn-cache-dir
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - name: Yarn cache
+        uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir.outputs.dir }}
+          key: ${{ runner.os }}-${{ matrix.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.os }}-yarn-
+
+      - name: Yarn install
+        run: yarn install --dev
+
+      - name: Migrate database
+        run: |
+          bin/rake db:create
+          bin/rake db:migrate
+
+      - name: Plugin RSpec
+        if: matrix.build_type == 'backend' && steps.check_spec.outputs.files_exists == 'true'
+        run: bin/rake plugin:spec[${{ github.event.repository.name }}]
+
+      - name: Plugin QUnit
+        if: matrix.build_type == 'frontend' && steps.check_qunit.outputs.files_exists == 'true'
+        run: bundle exec rake plugin:qunit['${{ github.event.repository.name }}','1200000']
+        timeout-minutes: 30
+
+      - name: Simplecov Report
+        if: matrix.build_type == 'backend'
+        run: COVERAGE=1 bin/rake plugin:spec[${{ github.event.repository.name }}]
diff --git a/.gitignore b/.gitignore
index 98902d6e..11ce0a3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
 coverage/*
 !coverage/.last_run.json
 gems/
+.bundle/
+auto_generated
+.DS_Store
+node_modules/
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..0967ef42
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1 @@
+{}
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 00000000..d46296cf
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,2 @@
+inherit_gem:
+  rubocop-discourse: default.yml
diff --git a/.template-lintrc.js b/.template-lintrc.js
new file mode 100644
index 00000000..a558b8e3
--- /dev/null
+++ b/.template-lintrc.js
@@ -0,0 +1,4 @@
+module.exports = {
+  plugins: ["ember-template-lint-plugin-discourse"],
+  extends: "discourse:recommended",
+};
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 00000000..7da32ec0
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+group :development do
+  gem 'rubocop-discourse'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 00000000..2416ce66
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,38 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    parallel (1.20.1)
+    parser (3.0.1.0)
+      ast (~> 2.4.1)
+    rainbow (3.0.0)
+    regexp_parser (2.1.1)
+    rexml (3.2.5)
+    rubocop (1.12.1)
+      parallel (~> 1.10)
+      parser (>= 3.0.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml
+      rubocop-ast (>= 1.2.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.4.1)
+      parser (>= 2.7.1.5)
+    rubocop-discourse (2.4.1)
+      rubocop (>= 1.1.0)
+      rubocop-rspec (>= 2.0.0)
+    rubocop-rspec (2.2.0)
+      rubocop (~> 1.0)
+      rubocop-ast (>= 1.1.0)
+    ruby-progressbar (1.11.0)
+    unicode-display_width (2.0.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rubocop-discourse
+
+BUNDLED WITH
+   2.2.16
diff --git a/assets/javascripts/wizard/templates/components/validator.hbs b/assets/javascripts/wizard/templates/components/validator.hbs
index 88ffa227..a233df9c 100644
--- a/assets/javascripts/wizard/templates/components/validator.hbs
+++ b/assets/javascripts/wizard/templates/components/validator.hbs
@@ -1,5 +1,5 @@
 {{#if isValid}}
   {{wizard-i18n validMessageKey}}
-{{else}}  
+{{else}}
   {{wizard-i18n invalidMessageKey}}
 {{/if}}
diff --git a/lib/custom_wizard/action.rb b/lib/custom_wizard/action.rb
index fbfa17a5..0d01c8f0 100644
--- a/lib/custom_wizard/action.rb
+++ b/lib/custom_wizard/action.rb
@@ -307,15 +307,15 @@ class CustomWizard::Action
       return
     end
 
-    groups = group_map.reduce([]) do |groups, g|
+    groups = group_map.reduce([]) do |result, g|
       begin
-        groups.push(Integer(g))
+        result.push(Integer(g))
       rescue ArgumentError
         group = Group.find_by(name: g)
-        groups.push(group.id) if group
+        result.push(group.id) if group
       end
 
-      groups
+      result
     end
 
     result = nil
diff --git a/lib/custom_wizard/api/endpoint.rb b/lib/custom_wizard/api/endpoint.rb
index 71af3453..9dbbc590 100644
--- a/lib/custom_wizard/api/endpoint.rb
+++ b/lib/custom_wizard/api/endpoint.rb
@@ -74,7 +74,7 @@ class CustomWizard::Api::Endpoint
     headers["Authorization"] = auth_string if auth_string
     headers["Content-Type"] = content_type if content_type
 
-    connection = Excon.new(URI.parse(URI.encode(endpoint.url)).to_s, headers: headers)
+    connection = Excon.new(UrlHelper.encode_and_parse(endpoint.url), headers: headers)
 
     params = { method: endpoint.method }
 
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..c6692218
--- /dev/null
+++ b/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "discourse-custom-wizard",
+  "version": "1.0.0",
+  "repository": "git@github.com:paviliondev/discourse-custom-wizard.git",
+  "author": "Discourse",
+  "license": "MIT",
+  "devDependencies": {
+    "eslint-config-discourse": "^1.1.8"
+  }
+}
diff --git a/spec/components/custom_wizard/action_spec.rb b/spec/components/custom_wizard/action_spec.rb
index 9ccb51bf..bbf266d4 100644
--- a/spec/components/custom_wizard/action_spec.rb
+++ b/spec/components/custom_wizard/action_spec.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative '../../plugin_helper'
 
 describe CustomWizard::Action do
@@ -121,8 +122,8 @@ describe CustomWizard::Action do
     end
 
     it 'encodes special characters in the title and body' do
-      open_composer['title'][0]['output'] = "Title that's special $"
-      open_composer['post_template'] = "Body & more body & more body"
+      open_composer['title'][0]['output'] = "Title that's special $".dup
+      open_composer['post_template'] = "Body & more body & more body".dup
 
       wizard = CustomWizard::Wizard.new(@template, user)
 
diff --git a/spec/components/custom_wizard/builder_spec.rb b/spec/components/custom_wizard/builder_spec.rb
index 9ad4348e..54a6ceff 100644
--- a/spec/components/custom_wizard/builder_spec.rb
+++ b/spec/components/custom_wizard/builder_spec.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative '../../plugin_helper'
 
 describe CustomWizard::Builder do
diff --git a/spec/components/custom_wizard/realtime_validations/similar_topics_spec.rb b/spec/components/custom_wizard/realtime_validations/similar_topics_spec.rb
index 7d871d45..eb81509e 100644
--- a/spec/components/custom_wizard/realtime_validations/similar_topics_spec.rb
+++ b/spec/components/custom_wizard/realtime_validations/similar_topics_spec.rb
@@ -5,7 +5,6 @@ require_relative '../../../plugin_helper'
 describe ::CustomWizard::RealtimeValidation::SimilarTopics do
   let(:post) {  create_post(title: "matching similar topic") }
   let(:topic) {  post.topic }
-  let(:user) { post.user }
 
   let(:category) { Fabricate(:category) }
   let(:cat_post) {  create_post(title: "matching similar topic slightly different", category: category) }
diff --git a/spec/components/custom_wizard/wizard_spec.rb b/spec/components/custom_wizard/wizard_spec.rb
index e613ddf9..57d15241 100644
--- a/spec/components/custom_wizard/wizard_spec.rb
+++ b/spec/components/custom_wizard/wizard_spec.rb
@@ -98,7 +98,7 @@ describe CustomWizard::Wizard do
       CustomWizard::Wizard.new(@permitted_template, trusted_user).permitted?
     ).to eq(true)
   end
-  
+
   it "permits everyone if everyone is permitted" do
     @permitted_template['permitted'][0]['output'] = Group::AUTO_GROUPS[:everyone]
     expect(
@@ -185,7 +185,7 @@ describe CustomWizard::Wizard do
     ).to eq('I am a user submission')
   end
 
-  context do
+  context "class methods" do
     before do
       CustomWizard::Template.save(@permitted_template, skip_jobs: true)
 
diff --git a/spec/extensions/invites_controller_spec.rb b/spec/extensions/invites_controller_spec.rb
index ee75500e..47c4ca84 100644
--- a/spec/extensions/invites_controller_spec.rb
+++ b/spec/extensions/invites_controller_spec.rb
@@ -4,7 +4,7 @@ require_relative '../plugin_helper'
 describe InvitesControllerCustomWizard, type: :request do
   fab!(:topic) { Fabricate(:topic) }
   let(:invite) { Invite.generate(topic.user, email: "angus@mcleod.org", topic: topic) }
-  
+
   let(:template) do
     JSON.parse(File.open(
       "#{Rails.root}/plugins/discourse-custom-wizard/spec/fixtures/wizard.json"
@@ -19,6 +19,6 @@ describe InvitesControllerCustomWizard, type: :request do
     template['after_signup'] = true
     CustomWizard::Template.save(template, skip_jobs: true)
     put "/invites/show/#{invite.invite_key}.json"
-    expect(response.parsed_body["redirect_to"]).to eq("/w/super-mega-fun-wizard")
+    expect(cookies[:destination_url]).to eq("/w/super-mega-fun-wizard")
   end
 end