diff --git a/public/v4/apps/invoiceninja.yml b/public/v4/apps/invoiceninja.yml
new file mode 100644
index 0000000..131c167
--- /dev/null
+++ b/public/v4/apps/invoiceninja.yml
@@ -0,0 +1,150 @@
+captainVersion: 4
+caproverOneClickApp:
+    instructions:
+        start: |-
+            You will need your own "Invoice App Key", you can get new one with
+            `docker run --rm invoiceninja/invoiceninja php artisan key:generate --show`
+            Detailed instructions in [Invoice Ninja Repo](https://github.com/invoiceninja/dockerfiles#alternatively-get-started-with-docker-compose)
+            Some variables have default values and can be set in App Config of AppName-app. Check https://github.com/invoiceninja/invoiceninja/blob/master/.env.example
+        end: >
+            Invoice Ninja is deployed, it might take few moments before it's fully started.
+            Initial user is: $$cap_invoiceninja_admin_user_email with password $$cap_invoiceninja_admin_pass.
+            Some variables have default values and can be set in App Config of $$cap_appname-app
+
+    displayName: Invoice Ninja
+    isOfficial: false
+    description: Small Business Invoicing & Payments.
+    documentation: |-
+        Based on https://github.com/invoiceninja/dockerfiles
+        - Changed the db backup system to use automysqlbackup
+
+    variables:
+        - id: $$cap_invoiceninja_VERSION
+          label: Invoice Ninja Version
+          defaultValue: '5'
+          description: It's a good idea to check for breaking changes between versions
+          validRegex: /^([^\s^\/])+$/
+
+        - id: $$cap_invoiceninja_APP_KEY
+          label: Invoice App Key
+          description: Your own App Key by Invoice Ninja. See description above.
+          validRegex: /^base64\:[A-Za-z0-9+\/]+={0,2}$/
+        - id: $$cap_invoiceninja_admin_user_email
+          label: ADMIN_USER_EMAIL
+          defaultValue: admin@example.com
+          description: 'Admin user for Invoice Ninja'
+          validRegex: /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/
+
+        - id: $$cap_invoiceninja_admin_pass
+          label: ADMIN_USER_PASS
+          defaultValue: $$cap_gen_random_hex(10)
+          description: 'Admin pass for Invoice Ninja'
+          validRegex: /.{1,}/
+
+        - id: $$cap_invoiceninja_DB_USERNAME
+          label: DB_USERNAME
+          defaultValue: ninja
+          validRegex: /^([a-zA-Z0-9\-\.\_])+$/
+
+        - id: $$cap_invoiceninja_DB_PASSWORD
+          label: DB_PASSWORD
+          defaultValue: $$cap_gen_random_hex(10)
+          description: 'The password of Invoice Ninjas database user.'
+          validRegex: /.{1,}/
+
+        - id: $$cap_invoiceninja_DB_DATABASE
+          label: DB_DATABASE
+          defaultValue: ninja
+          validRegex: /^([a-zA-Z0-9\-\.\_])+$/
+
+        - id: $$cap_invoiceninja_DB_ROOT_PASSWORD
+          label: DB_ROOT_PASSWORD
+          defaultValue: $$cap_gen_random_hex(10)
+          description: 'The password of DB superuser.'
+          validRegex: /.{1,}/
+
+        - id: $$cap_invoiceninja_debugmode
+          label: Debug Mode
+          defaultValue: 'false'
+          description: 'Useful for debugging, not suitable for production'
+          validRegex: /^(true|false)$/
+
+services:
+    $$cap_appname-app:
+        restart: always
+        depends_on:
+            - $$cap_appname-db
+        user:
+        environment:
+            APP_URL: http://$$cap_appname.$$cap_root_domain
+            APP_KEY: $$cap_invoiceninja_APP_KEY
+            APP_DEBUG: $$cap_invoiceninja_debugmode
+            REQUIRE_HTTPS: false
+            PHANTOMJS_PDF_GENERATION: false
+            PDF_GENERATOR: snappdf
+            QUEUE_CONNECTION: database
+            DB_HOST: srv-captain--$$cap_appname-db
+            DB_PORT: 3306
+            DB_DATABASE: $$cap_invoiceninja_DB_DATABASE
+            DB_USERNAME: $$cap_invoiceninja_DB_USERNAME
+            DB_PASSWORD: $$cap_invoiceninja_DB_PASSWORD
+            # TODO defined as variables
+            IN_USER_EMAIL: $$cap_invoiceninja_admin_user_email
+            IN_PASSWORD: $$cap_invoiceninja_admin_pass
+            TRUSTED_PROXIES: 10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
+        volumes:
+            - $$cap_appname-app-public:/var/www/app/public
+            - $$cap_appname-app-storage:/var/www/app/storage
+        caproverExtra:
+            notExposeAsWebApp: true
+            dockerfileLines:
+                - FROM invoiceninja/invoiceninja:$$cap_invoiceninja_VERSION
+                - USER root
+                - RUN mkdir -p /var/www/app/public /var/www/app/storage
+                - RUN chown 1500:1500 /var/www/app/*
+                - USER 1500
+
+    $$cap_appname-db:
+        restart: always
+        image: mariadb:10.4
+        environment:
+            MYSQL_ROOT_PASSWORD: $$cap_invoiceninja_DB_ROOT_PASSWORD
+            MYSQL_USER: $$cap_invoiceninja_DB_USERNAME
+            MYSQL_PASSWORD: $$cap_invoiceninja_DB_PASSWORD
+            MYSQL_DATABASE: $$cap_invoiceninja_DB_DATABASE
+        volumes:
+            - $$cap_appname-db:/var/lib/mysql
+        caproverExtra:
+            notExposeAsWebApp: true
+
+    $$cap_appname-server:
+        restart: always
+        depends_on:
+            - $$cap_appname-app
+        environment:
+            APP_CONTAINER: srv-captain--$$cap_appname-app:9000
+        volumes:
+            - $$cap_appname-app-public:/var/www/app/public
+        caproverExtra:
+            # Workaround for hard-coded container name in nginx config
+            dockerfileLines:
+                - FROM nginx:1.21
+                - ADD https://raw.githubusercontent.com/invoiceninja/dockerfiles/5.3.34/config/nginx/in-vhost.conf /etc/nginx/templates/in-vhost.conf.template
+                - RUN sed -i 's/app:9000/${APP_CONTAINER}/g' /etc/nginx/templates/in-vhost.conf.template
+
+    $$cap_appname-db-backup:
+        restart: always
+        image: selim13/automysqlbackup:2.6-9
+        depends_on:
+            - $$cap_appname-db
+        environment:
+            USERNAME: root
+            PASSWORD: $$cap_invoiceninja_DB_ROOT_PASSWORD
+            DBHOST: srv-captain--$$cap_appname-db
+            DBEXCLUDE: 'performance_schema information_schema'
+            CRON_SCHEDULE: '0 0 * * *'
+            EXTRA_OPTS: '--single-transaction'
+        volumes:
+            - $$cap_appname-db-backup:/backup
+        caproverExtra:
+            notExposeAsWebApp: true
diff --git a/public/v4/logos/invoiceninja.png b/public/v4/logos/invoiceninja.png
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