Fix action mailer on gov paas (#153)

* Set action mailer host to env vars

* Inject env var

* Fix template

* Single env var

.github/workflows/pipeline.yml

@@ -106,6 +106,7 @@ jobs:
         APP_NAME: dluhc-core
         CORE_EMAIL_USERNAME: ${{ secrets.CORE_EMAIL_USERNAME }}
         CORE_EMAIL_PASSWORD: ${{ secrets.CORE_EMAIL_PASSWORD }}
+        APP_HOST: ${{ secrets.APP_HOST }}
       run: |
         cf7 api $CF_API_ENDPOINT
         cf7 auth
@@ -114,4 +115,5 @@ jobs:
         cf7 set-env $APP_NAME API_KEY $API_KEY
         cf7 set-env $APP_NAME CORE_EMAIL_USERNAME $CORE_EMAIL_USERNAME
         cf7 set-env $APP_NAME CORE_EMAIL_PASSWORD $CORE_EMAIL_PASSWORD
+        cf7 set-env $APP_NAME APP_HOST $APP_HOST
         cf7 push --strategy rolling

app/views/devise/mailer/_password_change_initial.html.erb

@@ -1,6 +1,6 @@
 <p>Hello <%= @resource.name %>!</p>
 
-<p>An account has been created for you to submit CORE data on behalf of @resource.organisation.</p>
+<p>An account has been created for you to submit CORE data on behalf of <%= @resource.organisation %>.</p>
 
-<p>Your username is <% @resource.email %>, use the link below to set your password.
+<p>Your username is <%= @resource.email %>, use the link below to set your password.
 <p><%= govuk_link_to 'Change my password', edit_password_url(@resource, reset_password_token: @token) %></p>

config/environments/production.rb

@@ -58,6 +58,8 @@ Rails.application.configure do
 
   config.action_mailer.perform_caching = false
 
+  config.action_mailer.default_url_options = { host: ENV['APP_HOST'], port: 3000 }
+
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
   # config.action_mailer.raise_delivery_errors = false

config/environments/sandbox.rb

@@ -58,6 +58,8 @@ Rails.application.configure do
 
   config.action_mailer.perform_caching = false
 
+  config.action_mailer.default_url_options = { host: ENV['APP_HOST'], port: 3000 }
+
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
   # config.action_mailer.raise_delivery_errors = false