diff --git a/public/v4/apps/monica.yml b/public/v4/apps/monica.yml
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+++ b/public/v4/apps/monica.yml
@@ -0,0 +1,62 @@
+captainVersion: 4
+services:
+    # Monica
+    $$cap_appname:
+        depends_on:
+            - $$cap_appname-mariadb
+        image: monica@$$cap_monica_version
+        restart: 'always'
+        environment:
+            APP_KEY: $$cap_gen_random_hex(32)
+            DB_HOST: srv-captain--$$cap_appname-mariadb
+            DB_DATABASE: $$cap_mariadb-db
+            DB_USERNAME: $$cap_mariadb-user
+            DB_PASSWORD: $$cap_mariadb-pass
+        volumes:
+            - $$cap_appname-storage:/var/www/html/storage
+    # MariaDB
+    $$cap_appname-mariadb:
+        image: mariadb:$$cap_mariadb_version
+        environment:
+            MYSQL_RANDOM_ROOT_PASSWORD: '1'
+            MYSQL_DATABASE: $$cap_mariadb-db
+            MYSQL_USER: $$cap_mariadb-user
+            MYSQL_PASSWORD: $$cap_mariadb-pass
+        volumes:
+            - $$cap_appname-mariadb-data:/var/lib/mysql
+        restart: unless-stopped
+        caproverExtra:
+            notExposeAsWebApp: 'true'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_monica_version
+          label: Monica Docker Hash
+          defaultValue: sha256:469001036f96018b94312dd017678123aa23d56816ba6402ed03c6a8d1805a92
+          description: Starts with 'sha256:'.  Find on https://hub.docker.com/_/monica?tab=tags.  Use the hash from Apache tag otherwise it won't work.
+        - id: $$cap_mariadb_version
+          label: MariaDB Version
+          defaultValue: '10.5.6'
+          description: Checkout their docker page for the valid tags https://hub.docker.com/r/library/mariadb/tags/
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_mariadb-db
+          label: MariaDB Database
+          description: Database name for Monica
+          defaultValue: 'monica'
+        - id: $$cap_mariadb-user
+          label: MariaDB User
+          description: Database User for Monica
+          defaultValue: 'monica'
+        - id: $$cap_mariadb-pass
+          label: MariaDB database user password
+          description: Super secret database user password
+    instructions:
+        start: >-
+            Monica is a great open source personal relationship management system to organize the interactions with your loved ones.
+        end: >-
+            Aaaand you're done! 😄
+
+            Wait approximately 1 minutes until all migrations are done and then access Monica at http://$$cap_appname.$$cap_root_domain from your host system. If this looks ok, add your first user account.
+    displayName: 'Monica'
+    isOfficial: true
+    description: Monica is a great open source personal relationship management system to organize the interactions with your loved ones.
+    documentation: Taken from https://hub.docker.com/_/monica
diff --git a/public/v4/logos/monica.png b/public/v4/logos/monica.png
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