diff --git a/apps.awesim.org/apps/activejobs/initializers/filter.rb b/apps.awesim.org/apps/activejobs/initializers/filter.rb
index 4436f4c2..f92feee4 100644
--- a/apps.awesim.org/apps/activejobs/initializers/filter.rb
+++ b/apps.awesim.org/apps/activejobs/initializers/filter.rb
@@ -1,8 +1,10 @@
-# Add a filter by group option and insert it after the first option.
-Filter.list.insert(1, Filter.new.tap { |f|
-  group = OodSupport::User.new.group.name
-  f.title = "Your Group's Jobs (#{group})"
-  f.filter_id = "group"
-  # N.B. Need to use :egroup here for now. My Oodsupport group name is 'appl' but job 'Account_Name' is 'PZS0002'
-  f.filter_block = Proc.new { |job| job.native[:egroup] == group || job.native[:group_name] == group || job.accounting_id.to_s.downcase == group.downcase }
-})
+Rails.application.config.after_initialize do
+  # Add a filter by group option and insert it after the first option.
+  Filter.list.insert(1, Filter.new.tap { |f|
+    group = OodSupport::User.new.group.name
+    f.title = "Your Group's Jobs (#{group})"
+    f.filter_id = "group"
+    # N.B. Need to use :egroup here for now. My Oodsupport group name is 'appl' but job 'Account_Name' is 'PZS0002'
+    f.filter_block = Proc.new { |job| job.native[:egroup] == group || job.native[:group_name] == group || job.accounting_id.to_s.downcase == group.downcase }
+  })
+end
\ No newline at end of file
diff --git a/apps.awesim.org/apps/activejobs/initializers/ood_clusters_fix.rb b/apps.awesim.org/apps/activejobs/initializers/ood_clusters_fix.rb
index 8b5d67cf..9b1582c2 100644
--- a/apps.awesim.org/apps/activejobs/initializers/ood_clusters_fix.rb
+++ b/apps.awesim.org/apps/activejobs/initializers/ood_clusters_fix.rb
@@ -1,7 +1,9 @@
-OodAppkit.clusters = OodCore::Clusters.new(
-  OodAppkit.clusters.reject { |cluster| [:quick_pitzer].include?(cluster.id) }
-)
+Rails.application.config.after_initialize do
+  OodAppkit.clusters = OodCore::Clusters.new(
+    OodAppkit.clusters.reject { |cluster| [:quick_pitzer].include?(cluster.id) }
+  )
 
-if defined?(OODClusters)
-  OODClusters = OodCore::Clusters.new(OodAppkit.clusters.select(&:job_allow?))
-end
+  if defined?(OODClusters)
+    OODClusters = OodCore::Clusters.new(OodAppkit.clusters.select(&:job_allow?))
+  end
+end
\ No newline at end of file
diff --git a/apps.awesim.org/apps/dashboard/initializers/ood.rb b/apps.awesim.org/apps/dashboard/initializers/ood.rb
index a69726ff..d08b115f 100644
--- a/apps.awesim.org/apps/dashboard/initializers/ood.rb
+++ b/apps.awesim.org/apps/dashboard/initializers/ood.rb
@@ -1,26 +1,34 @@
-# AweSim OOD config
 
-def add_paths
-  OodFilesApp.candidate_favorite_paths.tap do |paths|
-    # add project space directories
-    projects = User.new.groups.map(&:name).grep(/^P./)
-    paths.concat projects.map { |p| Pathname.new("/fs/project/#{p}")  }
+Rails.application.config.after_initialize do
+  def add_paths
+    OodFilesApp.candidate_favorite_paths.tap do |paths|
+      # add project space directories
+      projects = User.new.groups.map(&:name).grep(/^P./)
+      
+      # add scratch space directories
+      paths << Pathname.new("/fs/scratch/#{User.new.name}")
+      paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
 
-    # add scratch space directories
-    paths << Pathname.new("/fs/scratch/#{User.new.name}")
-    paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
-
-    # add ess scratch and project directories
-    paths.concat projects.map { |p| Pathname.new("/fs/ess/scratch/#{p}")  }
-    paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+      paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+    end
   end
-end
 
-fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
-add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
+  fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
+  add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
 
-# don't show develop dropdown unless you are setup for app sharing
-Configuration.app_development_enabled = UsrRouter.base_path.directory?
-Configuration.app_sharing_facls_enabled = true
+  require 'socket'
+  hostname = Socket.gethostname
+  case hostname
+  when /dev/
+    idp = 'https://idp-dev.osc.edu'
+  when /test/
+    idp = 'https://idp-test.osc.edu'
+    NavConfig.categories_whitelist=true # TODO: need to remove when upgrading to 4.0
+  else
+    idp = 'https://idp.osc.edu'
+    NavConfig.categories_whitelist=true # TODO: need to remove when upgrading to 4.0
+  end
+
+  ENV['OOD_DASHBOARD_HELP_CUSTOM_URL'] = "#{idp}/realms/osc/account/#/security/linked-accounts"
+end
 
-NavConfig.categories_whitelist=true
diff --git a/apps.awesim.org/apps/dashboard/initializers/usr_router_patch.rb b/apps.awesim.org/apps/dashboard/initializers/usr_router_patch.rb
deleted file mode 100644
index 6431846e..00000000
--- a/apps.awesim.org/apps/dashboard/initializers/usr_router_patch.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class UsrRouter
-  def owner_title
-    return @owner_title if defined?(@owner_title)
-
-    @owner_title ||= (Etc.getpwnam(owner).gecos || owner)
-  rescue
-    @owner_title = owner
-  end
-
-  def caption
-    if owner_title == owner
-      "Shared by #{owner}"
-    else
-      "Shared by #{owner_title} (#{owner})"
-    end
-  end
-end
diff --git a/apps.totalsim.us/apps/dashboard/initializers/ood.rb b/apps.totalsim.us/apps/dashboard/initializers/ood.rb
index 62a47e15..6ebaa6d4 100644
--- a/apps.totalsim.us/apps/dashboard/initializers/ood.rb
+++ b/apps.totalsim.us/apps/dashboard/initializers/ood.rb
@@ -1,7 +1,15 @@
-# hide all menu options
-NavConfig.categories = ['Files']
-NavConfig.categories_whitelist=true
+Rails.application.config.after_initialize do
+  require 'socket'
+  hostname = Socket.gethostname
 
-# enable dev mode for all configured app developers
-Configuration.app_development_enabled = UsrRouter.base_path.directory?
-Configuration.app_sharing_facls_enabled = true
+  # TODO: remove when upgrading to 4.0
+  unless hostname =~ /dev/
+    # hide all menu options
+    NavConfig.categories = ['Files']
+    NavConfig.categories_whitelist=true
+  end
+
+  # enable dev mode for all configured app developers
+  Configuration.app_development_enabled = UsrRouter.base_path.directory?
+  Configuration.app_sharing_facls_enabled = true
+end
\ No newline at end of file
diff --git a/class.osc.edu/apps/dashboard/initializers/k8s_core.rb b/class.osc.edu/apps/dashboard/initializers/k8s_core.rb
deleted file mode 100644
index 09c95f74..00000000
--- a/class.osc.edu/apps/dashboard/initializers/k8s_core.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-require 'ood_core/job/adapters/kubernetes'
-require 'ood_core/job/adapters/kubernetes/helper'
-
-# monkey patch until https://github.com/OSC/ood_core/pull/778 is released
-class OodCore::Job::Adapters::Kubernetes::Helper
-  def secret_info_from_json(json_data)
-    data = json_data.to_h[:data] || {}
-
-    info = data.symbolize_keys.each_with_object({}) do |data_kv, hash|
-      hash[data_kv[0]] = Base64.decode64(data_kv[1])
-    rescue
-      next
-    end
-    { ood_connection_info: info }
-  end
-end
\ No newline at end of file
diff --git a/class.osc.edu/apps/dashboard/initializers/stats2480.rb b/class.osc.edu/apps/dashboard/initializers/stats2480.rb
index 5bae25f5..2d4e422d 100644
--- a/class.osc.edu/apps/dashboard/initializers/stats2480.rb
+++ b/class.osc.edu/apps/dashboard/initializers/stats2480.rb
@@ -1,18 +1,20 @@
-def add_paths
-  OodFilesApp.candidate_favorite_paths.tap do |paths|
-    # add project space directories
-    projects = User.new.groups.map(&:name).grep(/^P./)
-    paths.concat projects.map { |p| Pathname.new("/fs/project/#{p}")  }
+Rails.application.config.after_initialize do
+  def add_paths
+    OodFilesApp.candidate_favorite_paths.tap do |paths|
+      # add project space directories
+      projects = User.new.groups.map(&:name).grep(/^P./)
+      paths.concat projects.map { |p| Pathname.new("/fs/project/#{p}")  }
 
-    # add scratch space directories
-    paths << Pathname.new("/fs/scratch/#{User.new.name}")
-    paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
+      # add scratch space directories
+      paths << Pathname.new("/fs/scratch/#{User.new.name}")
+      paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
 
-    # add ess scratch and project directories
-    paths.concat projects.map { |p| Pathname.new("/fs/ess/scratch/#{p}")  }
-    paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+      # add ess scratch and project directories
+      paths.concat projects.map { |p| Pathname.new("/fs/ess/scratch/#{p}")  }
+      paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+    end
   end
-end
 
-fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
-add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
+  fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
+  add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
+end
\ No newline at end of file
diff --git a/ondemand.osc.edu/apps/activejobs/initializers/filter.rb b/ondemand.osc.edu/apps/activejobs/initializers/filter.rb
index 4436f4c2..f92feee4 100644
--- a/ondemand.osc.edu/apps/activejobs/initializers/filter.rb
+++ b/ondemand.osc.edu/apps/activejobs/initializers/filter.rb
@@ -1,8 +1,10 @@
-# Add a filter by group option and insert it after the first option.
-Filter.list.insert(1, Filter.new.tap { |f|
-  group = OodSupport::User.new.group.name
-  f.title = "Your Group's Jobs (#{group})"
-  f.filter_id = "group"
-  # N.B. Need to use :egroup here for now. My Oodsupport group name is 'appl' but job 'Account_Name' is 'PZS0002'
-  f.filter_block = Proc.new { |job| job.native[:egroup] == group || job.native[:group_name] == group || job.accounting_id.to_s.downcase == group.downcase }
-})
+Rails.application.config.after_initialize do
+  # Add a filter by group option and insert it after the first option.
+  Filter.list.insert(1, Filter.new.tap { |f|
+    group = OodSupport::User.new.group.name
+    f.title = "Your Group's Jobs (#{group})"
+    f.filter_id = "group"
+    # N.B. Need to use :egroup here for now. My Oodsupport group name is 'appl' but job 'Account_Name' is 'PZS0002'
+    f.filter_block = Proc.new { |job| job.native[:egroup] == group || job.native[:group_name] == group || job.accounting_id.to_s.downcase == group.downcase }
+  })
+end
\ No newline at end of file
diff --git a/ondemand.osc.edu/apps/activejobs/initializers/ood_clusters_fix.rb b/ondemand.osc.edu/apps/activejobs/initializers/ood_clusters_fix.rb
index 8b5d67cf..9b1582c2 100644
--- a/ondemand.osc.edu/apps/activejobs/initializers/ood_clusters_fix.rb
+++ b/ondemand.osc.edu/apps/activejobs/initializers/ood_clusters_fix.rb
@@ -1,7 +1,9 @@
-OodAppkit.clusters = OodCore::Clusters.new(
-  OodAppkit.clusters.reject { |cluster| [:quick_pitzer].include?(cluster.id) }
-)
+Rails.application.config.after_initialize do
+  OodAppkit.clusters = OodCore::Clusters.new(
+    OodAppkit.clusters.reject { |cluster| [:quick_pitzer].include?(cluster.id) }
+  )
 
-if defined?(OODClusters)
-  OODClusters = OodCore::Clusters.new(OodAppkit.clusters.select(&:job_allow?))
-end
+  if defined?(OODClusters)
+    OODClusters = OodCore::Clusters.new(OodAppkit.clusters.select(&:job_allow?))
+  end
+end
\ No newline at end of file
diff --git a/ondemand.osc.edu/apps/dashboard/initializers/ood.rb b/ondemand.osc.edu/apps/dashboard/initializers/ood.rb
index 62cd63f3..d08b115f 100644
--- a/ondemand.osc.edu/apps/dashboard/initializers/ood.rb
+++ b/ondemand.osc.edu/apps/dashboard/initializers/ood.rb
@@ -1,30 +1,34 @@
 
-def add_paths
-  OodFilesApp.candidate_favorite_paths.tap do |paths|
-    # add project space directories
-    projects = User.new.groups.map(&:name).grep(/^P./)
-    
-    # add scratch space directories
-    paths << Pathname.new("/fs/scratch/#{User.new.name}")
-    paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
+Rails.application.config.after_initialize do
+  def add_paths
+    OodFilesApp.candidate_favorite_paths.tap do |paths|
+      # add project space directories
+      projects = User.new.groups.map(&:name).grep(/^P./)
+      
+      # add scratch space directories
+      paths << Pathname.new("/fs/scratch/#{User.new.name}")
+      paths.concat projects.map { |p| Pathname.new("/fs/scratch/#{p}")  }
 
-    paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+      paths.concat projects.map { |p| Pathname.new("/fs/ess/#{p}")  }
+    end
   end
-end
 
-fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
-add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
+  fs_outage = `grep node_file_test_failure /var/lib/node_exporter/textfile_collector/autofs-file-test.prom | grep -q ' 1'; echo $?`
+  add_paths if fs_outage.chomp == "1" && !File.exist?('/etc/ood/config/gpfs_outage')
 
-NavConfig.categories_whitelist=true
+  require 'socket'
+  hostname = Socket.gethostname
+  case hostname
+  when /dev/
+    idp = 'https://idp-dev.osc.edu'
+  when /test/
+    idp = 'https://idp-test.osc.edu'
+    NavConfig.categories_whitelist=true # TODO: need to remove when upgrading to 4.0
+  else
+    idp = 'https://idp.osc.edu'
+    NavConfig.categories_whitelist=true # TODO: need to remove when upgrading to 4.0
+  end
 
-require 'socket'
-hostname = Socket.gethostname
-case hostname
-when /dev/
-  idp = 'https://idp-dev.osc.edu'
-when /test/
-  idp = 'https://idp-test.osc.edu'
-else
-  idp = 'https://idp.osc.edu'
+  ENV['OOD_DASHBOARD_HELP_CUSTOM_URL'] = "#{idp}/realms/osc/account/#/security/linked-accounts"
 end
-ENV['OOD_DASHBOARD_HELP_CUSTOM_URL'] = "#{idp}/realms/osc/account/#/security/linked-accounts"
+
diff --git a/ondemand.osc.edu/apps/dashboard/initializers/usr_sharing.rb b/ondemand.osc.edu/apps/dashboard/initializers/usr_sharing.rb
index d5f2fef8..1663dedc 100644
--- a/ondemand.osc.edu/apps/dashboard/initializers/usr_sharing.rb
+++ b/ondemand.osc.edu/apps/dashboard/initializers/usr_sharing.rb
@@ -1,2 +1,3 @@
-Configuration.app_sharing_facls_enabled = true
-
+Rails.application.config.after_initialize do
+  Configuration.app_sharing_facls_enabled = true
+end
diff --git a/ondemand.osc.edu/apps/myjobs/initializers/ood_appkit_pitzer_exp_fix.rb b/ondemand.osc.edu/apps/myjobs/initializers/ood_appkit_pitzer_exp_fix.rb
index f48f7923..5d51d98e 100644
--- a/ondemand.osc.edu/apps/myjobs/initializers/ood_appkit_pitzer_exp_fix.rb
+++ b/ondemand.osc.edu/apps/myjobs/initializers/ood_appkit_pitzer_exp_fix.rb
@@ -1,7 +1,8 @@
-Rails.application.configure do |config|
-  ActiveSupport.on_load(:active_record) do
-    Workflow.where(batch_host: 'pitzer-exp').update_all(batch_host: 'pitzer')
-    Workflow.where(batch_host: 'owens-slurm').update_all(batch_host: 'owens')
-  end if Configuration.production_database_path.file?
+Rails.application.config.after_initialize do
+  Rails.application.configure do |config|
+    ActiveSupport.on_load(:active_record) do
+      Workflow.where(batch_host: 'pitzer-exp').update_all(batch_host: 'pitzer')
+      Workflow.where(batch_host: 'owens-slurm').update_all(batch_host: 'owens')
+    end if Configuration.production_database_path.file?
+  end
 end
-
diff --git a/ondemand.osc.edu/apps/myjobs/initializers/workflow_presubmit_validation.rb b/ondemand.osc.edu/apps/myjobs/initializers/workflow_presubmit_validation.rb
index e6bf620b..d385a27c 100644
--- a/ondemand.osc.edu/apps/myjobs/initializers/workflow_presubmit_validation.rb
+++ b/ondemand.osc.edu/apps/myjobs/initializers/workflow_presubmit_validation.rb
@@ -1,20 +1,22 @@
-# array_ids is not currently exported automatically from ood_core
-require 'ood_core/job/array_ids'
-require 'workflow'
+Rails.application.config.after_initialize do
+  # array_ids is not currently exported automatically from ood_core
+  require 'ood_core/job/array_ids'
+  require 'workflow'
 
-class Workflow
-  validate :task_count_may_not_exceed_max_job_array_tasks
-  MAX_JOB_ARRAY_TASKS = 1000
+  class Workflow
+    validate :task_count_may_not_exceed_max_job_array_tasks
+    MAX_JOB_ARRAY_TASKS = 1000
 
-  def task_count_may_not_exceed_max_job_array_tasks
-    if ! task_count_ok?
-      errors.add(:job_array_request, "must result in less than #{Workflow::MAX_JOB_ARRAY_TASKS} tasks.")
+    def task_count_may_not_exceed_max_job_array_tasks
+      if ! task_count_ok?
+        errors.add(:job_array_request, "must result in less than #{Workflow::MAX_JOB_ARRAY_TASKS} tasks.")
+      end
     end
-  end
 
-  def task_count_ok?
-    return true if (job_array_request.nil? || job_array_request.empty?)
+    def task_count_ok?
+      return true if (job_array_request.nil? || job_array_request.empty?)
 
-    OodCore::Job::ArrayIds.new(job_array_request).ids.size <= Workflow::MAX_JOB_ARRAY_TASKS
+      OodCore::Job::ArrayIds.new(job_array_request).ids.size <= Workflow::MAX_JOB_ARRAY_TASKS
+    end
   end
 end
\ No newline at end of file