Disable troublesome migration

Run code in a task instead avoid incompatibility with future code changes

Dockerfile

@@ -45,4 +45,5 @@ RUN bundle exec rake assets:precompile && \
     rm -rf node_modules tmp
 
 CMD bundle exec rails db:migrate && \
+    bundle exec rake set_app_settings && \
     bundle exec rails server -b 0.0.0.0

app/models/app_settings.rb

@@ -14,5 +14,13 @@ def self.current
     AppSettings.first_or_create!
   end
 
+  def configured?
+    service_start_date.present? && service_end_date.present?
+  end
+
+  def to_s
+    "Start Date: #{service_start_date} --- End Date: #{service_end_date}"
+  end
+
   private_class_method :new
 end

db/migrate/20230721082851_enable_opening_times.rb

@@ -1,8 +1,5 @@
 class EnableOpeningTimes < ActiveRecord::Migration[7.0]
   def change
-    AppSettings.current.update!(
-      service_start_date: Time.zone.yesterday,
-      service_end_date: Time.zone.today + 1.year,
-    )
+    # Disable this migration and move code into task `rake set_app_settings`
   end
 end

lib/tasks/app_setting.rake

@@ -0,0 +1,19 @@
+desc "sets app setting for environments different than production with no setting"
+task set_app_settings: :environment do
+  if Rails.env.production?
+    puts "Not changing production settings"
+    exit
+  end
+
+  current_setting = AppSettings.current
+  if current_setting.configured?
+    puts "Keeping existing setting: #{current_setting}"
+    exit
+  end
+
+  current_setting.update!(
+    service_start_date: Time.zone.yesterday,
+    service_end_date: Time.zone.today + 1.year,
+  )
+  puts "Updated settings to: #{current_setting}"
+end