diff --git a/constructor.yml b/constructor.yml
index 16a61e2d..d0715d3e 100644
--- a/constructor.yml
+++ b/constructor.yml
@@ -1,20 +1,11 @@
 ---
-- name:   variable mapping   
-  hosts:  all
-  vars:
-    activate_all_timers:          "{{ activate_all_timers | lower | bool }}"
-    nginx_matomo_tracking:        "{{ nginx_matomo_tracking | lower | bool }}"
-    execute_updates:              "{{ execute_updates | lower | bool }}"
-    force_backup_before_update:   "{{ force_backup_before_update | lower | bool }}"
-    enable_central_database:      "{{ enable_central_database | lower | bool }}"
 
 - name: update device
   hosts:  all
   become: true
-  tasks:
   roles:
     - role: update
-      when: execute_updates
+      when: execute_updates | bool
 
 - name: setup standard wireguard
   hosts: wireguard_server
diff --git a/roles/backup-docker-to-local/tasks/main.yml b/roles/backup-docker-to-local/tasks/main.yml
index 3b65ced3..d436835a 100644
--- a/roles/backup-docker-to-local/tasks/main.yml
+++ b/roles/backup-docker-to-local/tasks/main.yml
@@ -37,7 +37,7 @@
 - name: configure backup-docker-to-local.timer.tpl
   template: src=backup-docker-to-local.timer.j2 dest=/etc/systemd/system/backup-docker-to-local.timer
   register: backup_docker_to_local_timer
-  changed_when: backup_docker_to_local_timer.changed or activate_all_timers
+  changed_when: backup_docker_to_local_timer.changed or activate_all_timers | bool
   notify: restart backup-docker-to-local.timer
   when: run_once_backup_docker_to_local is not defined
 
diff --git a/roles/backup-remote-to-local/tasks/main.yml b/roles/backup-remote-to-local/tasks/main.yml
index f43489b6..57c70220 100644
--- a/roles/backup-remote-to-local/tasks/main.yml
+++ b/roles/backup-remote-to-local/tasks/main.yml
@@ -17,7 +17,7 @@
 - name: create backup-remote-to-local.timer
   template: src=backup-remote-to-local.timer.j2 dest=/etc/systemd/system/backup-remote-to-local.timer
   register: backup_backup_remote_to_local_timer
-  changed_when: backup_backup_remote_to_local_timer.changed or activate_all_timers
+  changed_when: backup_backup_remote_to_local_timer.changed or activate_all_timers | bool
   notify: restart backup-remote-to-local timer
 
 - name: create backups-remote-to-local.sh
diff --git a/roles/cleanup-backups-timer/tasks/main.yml b/roles/cleanup-backups-timer/tasks/main.yml
index 5ee7f2bd..f15a4fc1 100644
--- a/roles/cleanup-backups-timer/tasks/main.yml
+++ b/roles/cleanup-backups-timer/tasks/main.yml
@@ -3,7 +3,7 @@
     src:  "cleanup-backups.timer.j2"
     dest: "/etc/systemd/system/cleanup-backups.timer"
   register: cleanup_backups_timer
-  changed_when: cleanup_backups_timer.changed or activate_all_timers
+  changed_when: cleanup_backups_timer.changed or activate_all_timers | bool
   notify: restart cleanup-backups.timer
   when: run_once_cleanup_backups_timer is not defined
 
diff --git a/roles/cleanup-disc-space/tasks/main.yml b/roles/cleanup-disc-space/tasks/main.yml
index a7ceb6d2..26a66e51 100644
--- a/roles/cleanup-disc-space/tasks/main.yml
+++ b/roles/cleanup-disc-space/tasks/main.yml
@@ -20,5 +20,5 @@
     src: cleanup-disc-space.timer.j2
     dest: /etc/systemd/system/cleanup-disc-space.timer
   register: cleanup_disc_space_timer
-  changed_when: cleanup_disc_space_timer.changed or activate_all_timers
+  changed_when: cleanup_disc_space_timer.changed or activate_all_timers | bool
   notify: restart cleanup-disc-space.timer
\ No newline at end of file
diff --git a/roles/cleanup-failed-docker-backups/tasks/main.yml b/roles/cleanup-failed-docker-backups/tasks/main.yml
index a38df6a4..b36c0f18 100644
--- a/roles/cleanup-failed-docker-backups/tasks/main.yml
+++ b/roles/cleanup-failed-docker-backups/tasks/main.yml
@@ -24,7 +24,7 @@
     src: cleanup-failed-docker-backups.timer.j2
     dest: /etc/systemd/system/cleanup-failed-docker-backups.timer
   register: cleanup_failed_docker_backups_timer
-  changed_when: cleanup_failed_docker_backups_timer.changed or activate_all_timers
+  changed_when: cleanup_failed_docker_backups_timer.changed or activate_all_timers | bool
   notify: restart cleanup-failed-docker-backups.timer
   when: run_once_cleanup_failed_docker_backups is not defined
 
diff --git a/roles/docker-discourse/templates/app.yml.j2 b/roles/docker-discourse/templates/app.yml.j2
index fe222609..b73396ad 100644
--- a/roles/docker-discourse/templates/app.yml.j2
+++ b/roles/docker-discourse/templates/app.yml.j2
@@ -71,13 +71,13 @@ env:
   DISCOURSE_SMTP_DOMAIN:            {{ system_email_domain }}
   DISCOURSE_NOTIFICATION_EMAIL:     {{ system_email }}
 
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
   # Database Configuration
   DISCOURSE_DB_USERNAME: {{ database_username }}
   DISCOURSE_DB_PASSWORD: {{ database_password }}
   DISCOURSE_DB_HOST:     {{ database_host }}
   DISCOURSE_DB_NAME:     {{ database_databasename }}
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
 
   ## If you added the Lets Encrypt template, uncomment below to get a free SSL certificate
   #LETSENCRYPT_ACCOUNT_EMAIL: administrator@veen.world
diff --git a/roles/docker-mailu/tasks/main.yml b/roles/docker-mailu/tasks/main.yml
index 5c946e5d..6da02317 100644
--- a/roles/docker-mailu/tasks/main.yml
+++ b/roles/docker-mailu/tasks/main.yml
@@ -64,5 +64,5 @@
     src:  "deploy-letsencrypt-mailu.timer.j2" 
     dest: "/etc/systemd/system/deploy-letsencrypt-mailu.timer"
   register: deploy_letsencrypt_mailu_timer
-  changed_when: deploy_letsencrypt_mailu_timer.changed or activate_all_timers
+  changed_when: deploy_letsencrypt_mailu_timer.changed or activate_all_timers | bool
   notify: restart deploy-letsencrypt-mailu.timer
\ No newline at end of file
diff --git a/roles/docker-mastodon/templates/mastodon.conf.j2 b/roles/docker-mastodon/templates/mastodon.conf.j2
index f20fc840..e983d022 100644
--- a/roles/docker-mastodon/templates/mastodon.conf.j2
+++ b/roles/docker-mastodon/templates/mastodon.conf.j2
@@ -8,7 +8,7 @@ server {
 
   {% include 'roles/letsencrypt/templates/ssl_header.j2' %}
 
-  {% if nginx_matomo_tracking %}
+  {% if nginx_matomo_tracking | bool %}
     {% include 'roles/nginx-matomo-tracking/templates/matomo-tracking.conf.j2' %}
   {% endif %}
 
diff --git a/roles/docker-nextcloud/templates/nextcloud.conf.j2 b/roles/docker-nextcloud/templates/nextcloud.conf.j2
index 6945a385..007fcfe7 100644
--- a/roles/docker-nextcloud/templates/nextcloud.conf.j2
+++ b/roles/docker-nextcloud/templates/nextcloud.conf.j2
@@ -4,7 +4,7 @@ server
 
   {% include 'roles/letsencrypt/templates/ssl_header.j2' %}
 
-  {% if nginx_matomo_tracking %}
+  {% if nginx_matomo_tracking | bool %}
     {% include 'roles/nginx-matomo-tracking/templates/matomo-tracking.conf.j2' %}
   {% endif %}
 
diff --git a/roles/docker-peertube/templates/peertube.conf.j2 b/roles/docker-peertube/templates/peertube.conf.j2
index ec84d8bc..ece8161e 100644
--- a/roles/docker-peertube/templates/peertube.conf.j2
+++ b/roles/docker-peertube/templates/peertube.conf.j2
@@ -3,7 +3,7 @@ server {
 
   {% include 'roles/letsencrypt/templates/ssl_header.j2' %}
 
-  {% if nginx_matomo_tracking %}
+  {% if nginx_matomo_tracking | bool %}
     {% include 'roles/nginx-matomo-tracking/templates/matomo-tracking.conf.j2' %}
   {% endif %}
 
diff --git a/roles/heal-docker/tasks/main.yml b/roles/heal-docker/tasks/main.yml
index e306af78..8c4c2c44 100644
--- a/roles/heal-docker/tasks/main.yml
+++ b/roles/heal-docker/tasks/main.yml
@@ -23,7 +23,7 @@
     src: heal-docker.timer.j2
     dest: "/etc/systemd/system/heal-docker.timer"
   register: heal_docker_timer
-  changed_when: heal_docker_timer.changed or activate_all_timers
+  changed_when: heal_docker_timer.changed or activate_all_timers | bool
   notify: restart heal-docker.timer
   when: run_once_heal_docker is not defined
 
diff --git a/roles/health-btrfs/tasks/main.yml b/roles/health-btrfs/tasks/main.yml
index aa05a697..cc7d27fc 100644
--- a/roles/health-btrfs/tasks/main.yml
+++ b/roles/health-btrfs/tasks/main.yml
@@ -20,5 +20,5 @@
     src: health-btrfs.timer.j2
     dest: "/etc/systemd/system/health-btrfs.timer"
   register: health_btrs_timer
-  changed_when: health_btrs_timer.changed or activate_all_timers
+  changed_when: health_btrs_timer.changed or activate_all_timers | bool
   notify: restart health-btrfs.timer
diff --git a/roles/health-disc-space/tasks/main.yml b/roles/health-disc-space/tasks/main.yml
index eca7f270..e17c0d6f 100644
--- a/roles/health-disc-space/tasks/main.yml
+++ b/roles/health-disc-space/tasks/main.yml
@@ -20,5 +20,5 @@
     src: health-disc-space.timer.j2
     dest: /etc/systemd/system/health-disc-space.timer
   register: health_disc_space_timer
-  changed_when: health_disc_space_timer.changed or activate_all_timers
+  changed_when: health_disc_space_timer.changed or activate_all_timers | bool
   notify: restart health-disc-space.timer
diff --git a/roles/health-docker-container/tasks/main.yml b/roles/health-docker-container/tasks/main.yml
index 89e3953d..8fc8182a 100644
--- a/roles/health-docker-container/tasks/main.yml
+++ b/roles/health-docker-container/tasks/main.yml
@@ -21,7 +21,7 @@
     src: health-docker-container.timer.j2
     dest: "/etc/systemd/system/health-docker-container.timer"
   register: health_docker_container_timer
-  changed_when: health_docker_container_timer.changed or activate_all_timers
+  changed_when: health_docker_container_timer.changed or activate_all_timers | bool
   notify: restart health-docker-container.timer
   when: run_once_health_docker_container is not defined
 
diff --git a/roles/health-docker-volumes/tasks/main.yml b/roles/health-docker-volumes/tasks/main.yml
index 138fa41d..dfd6838c 100644
--- a/roles/health-docker-volumes/tasks/main.yml
+++ b/roles/health-docker-volumes/tasks/main.yml
@@ -21,7 +21,7 @@
     src: health-docker-volumes.timer.j2
     dest: "/etc/systemd/system/health-docker-volumes.timer"
   register: health_docker_volumes_timer
-  changed_when: health_docker_volumes_timer.changed or activate_all_timers
+  changed_when: health_docker_volumes_timer.changed or activate_all_timers | bool
   notify: restart health-docker-volumes.timer
   when: run_once_health_docker_volumes is not defined
 
diff --git a/roles/health-journalctl/tasks/main.yml b/roles/health-journalctl/tasks/main.yml
index 9c937b58..78aaeb7b 100644
--- a/roles/health-journalctl/tasks/main.yml
+++ b/roles/health-journalctl/tasks/main.yml
@@ -20,5 +20,5 @@
     src: health-journalctl.timer.j2
     dest: /etc/systemd/system/health-journalctl.timer
   register: health_journalctl_timer
-  changed_when: health_journalctl_timer.changed or activate_all_timers
+  changed_when: health_journalctl_timer.changed or activate_all_timers | bool
   notify: restart health-journalctl.timer
diff --git a/roles/health-nginx/tasks/main.yml b/roles/health-nginx/tasks/main.yml
index 11757eed..7810ef3d 100644
--- a/roles/health-nginx/tasks/main.yml
+++ b/roles/health-nginx/tasks/main.yml
@@ -29,7 +29,7 @@
     src: health-nginx.timer.j2
     dest: "/etc/systemd/system/health-nginx.timer"
   register: health_nginx_timer
-  changed_when: health_nginx_timer.changed or activate_all_timers
+  changed_when: health_nginx_timer.changed or activate_all_timers | bool
   notify: restart health-nginx.timer
   when: run_once_health_nginx is not defined
 
diff --git a/roles/health-nginx/templates/health-nginx.py.j2 b/roles/health-nginx/templates/health-nginx.py.j2
index 91945a8f..c7f51eaf 100644
--- a/roles/health-nginx/templates/health-nginx.py.j2
+++ b/roles/health-nginx/templates/health-nginx.py.j2
@@ -31,7 +31,7 @@ for filename in os.listdir(config_path):
         # Determine expected status codes based on the domain
         if domain == '{{domain_listmonk}}':
             expected_statuses = [401]
-{% if nginx_matomo_tracking %}
+{% if nginx_matomo_tracking | bool %}
         elif parts[0] == 'www' or domain in redirected_domains:
             expected_statuses = [301]
 {% endif %}
diff --git a/roles/nginx-certbot/tasks/main.yml b/roles/nginx-certbot/tasks/main.yml
index 767698b6..29b5e0b9 100644
--- a/roles/nginx-certbot/tasks/main.yml
+++ b/roles/nginx-certbot/tasks/main.yml
@@ -16,7 +16,7 @@
     src:  certbot.timer.j2
     dest: /etc/systemd/system/certbot.timer
   register: certbot_timer
-  changed_when: certbot_timer.changed or activate_all_timers
+  changed_when: certbot_timer.changed or activate_all_timers | bool
   notify: restart certbot timer
   when: run_once_nginx_certbot is not defined
 
diff --git a/roles/nginx-docker-reverse-proxy/templates/domain.conf.j2 b/roles/nginx-docker-reverse-proxy/templates/domain.conf.j2
index 051c683e..e5dde64e 100644
--- a/roles/nginx-docker-reverse-proxy/templates/domain.conf.j2
+++ b/roles/nginx-docker-reverse-proxy/templates/domain.conf.j2
@@ -3,7 +3,7 @@ server
   server_name {{domain}};
 
   # Include Matomo Tracking Code
-  {% if nginx_matomo_tracking %}
+  {% if nginx_matomo_tracking | bool %}
     {% include 'roles/nginx-matomo-tracking/templates/matomo-tracking.conf.j2' %}
   {% endif %}
 
diff --git a/roles/nginx-homepage/templates/homepage.nginx.conf.j2 b/roles/nginx-homepage/templates/homepage.nginx.conf.j2
index 4c03694e..19406858 100644
--- a/roles/nginx-homepage/templates/homepage.nginx.conf.j2
+++ b/roles/nginx-homepage/templates/homepage.nginx.conf.j2
@@ -5,7 +5,7 @@ server
   
   {% include 'roles/letsencrypt/templates/ssl_header.j2' %}
 
-  {% if nginx_matomo_tracking %}
+  {% if nginx_matomo_tracking | bool %}
     {% include 'roles/nginx-matomo-tracking/templates/matomo-tracking.conf.j2' %}
   {% endif %}
 
diff --git a/roles/update-docker/tasks/main.yml b/roles/update-docker/tasks/main.yml
index 4b5bc5ef..c0576bf5 100644
--- a/roles/update-docker/tasks/main.yml
+++ b/roles/update-docker/tasks/main.yml
@@ -2,7 +2,7 @@
   systemd:
     name: backup-docker-to-local-everything.service
     state: started
-  when: force_backup_before_update
+  when: force_backup_before_update | bool
 
 - name: create {{update_docker_script}}
   copy:
diff --git a/tasks/implement-matomo-tracking.yml b/tasks/implement-matomo-tracking.yml
index fe4636ac..bbebfd24 100644
--- a/tasks/implement-matomo-tracking.yml
+++ b/tasks/implement-matomo-tracking.yml
@@ -1,4 +1,4 @@
 - name: Activate NGINX matomo tracking
   include_role:
     name: nginx-matomo-tracking
-  when: nginx_matomo_tracking and domain is defined
\ No newline at end of file
+  when: nginx_matomo_tracking | bool and domain is defined
\ No newline at end of file
diff --git a/templates/docker-compose-networks.yml.j2 b/templates/docker-compose-networks.yml.j2
index adeb34f1..8d760849 100644
--- a/templates/docker-compose-networks.yml.j2
+++ b/templates/docker-compose-networks.yml.j2
@@ -1,6 +1,6 @@
 # This template needs to be included in docker-compose.yml
 networks:
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
   central_{{ database_type }}_network:
     external: true
 {% endif %}
diff --git a/templates/docker-compose-volumes-just-database.yml.j2 b/templates/docker-compose-volumes-just-database.yml.j2
index 23aa6977..0e80e052 100644
--- a/templates/docker-compose-volumes-just-database.yml.j2
+++ b/templates/docker-compose-volumes-just-database.yml.j2
@@ -1,5 +1,5 @@
 # This needs to be included in docker-compose.yml which just contain a database volume
-{% if not enable_central_database %}
+{% if not enable_central_database | bool %}
 volumes:
   database:
 {% endif %}
\ No newline at end of file
diff --git a/templates/docker-compose-volumes.yml.j2 b/templates/docker-compose-volumes.yml.j2
index 4b4c3f3a..ece146f3 100644
--- a/templates/docker-compose-volumes.yml.j2
+++ b/templates/docker-compose-volumes.yml.j2
@@ -1,5 +1,5 @@
 # This template needs to be included in docker-compose.yml which contain a database and additional volumes
 volumes:
-{% if not enable_central_database %}
+{% if not enable_central_database | bool %}
   database:
 {% endif %}
\ No newline at end of file
diff --git a/templates/docker-container-depends-on-also-database.yml.j2 b/templates/docker-container-depends-on-also-database.yml.j2
index 809268e7..8eda1cf7 100644
--- a/templates/docker-container-depends-on-also-database.yml.j2
+++ b/templates/docker-container-depends-on-also-database.yml.j2
@@ -1,6 +1,6 @@
 # This template needs to be included in docker-compose.yml containers which depend on a database and additional containers
     depends_on:
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
       database:
         condition: service_healthy
 {% endif %}
\ No newline at end of file
diff --git a/templates/docker-container-depends-on-database-redis.yml.j2 b/templates/docker-container-depends-on-database-redis.yml.j2
index c73f8f77..18b5150c 100644
--- a/templates/docker-container-depends-on-database-redis.yml.j2
+++ b/templates/docker-container-depends-on-database-redis.yml.j2
@@ -1,6 +1,6 @@
 # This template needs to be included in docker-compose.yml contaienrs, which depend on a database, redis and optional additional volumes
     depends_on:
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
       database:
         condition: service_healthy
 {% endif %}
diff --git a/templates/docker-container-depends-on-just-database.yml.j2 b/templates/docker-container-depends-on-just-database.yml.j2
index 0b000dbf..d5712e2d 100644
--- a/templates/docker-container-depends-on-just-database.yml.j2
+++ b/templates/docker-container-depends-on-just-database.yml.j2
@@ -1,5 +1,5 @@
 # This template needs to be included in docker-compose.yml contaienrs, which just depend on a database
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
     depends_on:
       database:
 		    condition: service_healthy
diff --git a/templates/docker-container-networks.yml.j2 b/templates/docker-container-networks.yml.j2
index d99c2747..6d69a2e7 100644
--- a/templates/docker-container-networks.yml.j2
+++ b/templates/docker-container-networks.yml.j2
@@ -1,6 +1,6 @@
 # This template needs to be included in docker-compose.yml containers
     networks:
       - {{docker_compose_project_name}}_network  
-{% if enable_central_database %}
+{% if enable_central_database | bool %}
       - central_{{ database_type }}_network
 {% endif %}
\ No newline at end of file
diff --git a/templates/docker-service-mariadb.yml.j2 b/templates/docker-service-mariadb.yml.j2
index 9e87dcf3..5f249e37 100644
--- a/templates/docker-service-mariadb.yml.j2
+++ b/templates/docker-service-mariadb.yml.j2
@@ -1,5 +1,5 @@
 # This template needs to be included in docker-compose.yml, which depend on a mariadb database
-{% if not enable_central_database %}
+{% if not enable_central_database | bool %}
   database:
     logging:
       driver: journald
diff --git a/templates/docker-service-postgres.yml.j2 b/templates/docker-service-postgres.yml.j2
index 54acbbb4..b5159a17 100644
--- a/templates/docker-service-postgres.yml.j2
+++ b/templates/docker-service-postgres.yml.j2
@@ -1,5 +1,5 @@
 # This template needs to be included in docker-compose.yml, which depend on a postgres database
-{% if not enable_central_database %}  
+{% if not enable_central_database | bool %}  
   database:
     image: postgres:{{database_version}}-alpine
     environment: