captainVersion: 4 services: $$cap_appname: image: maildev/maildev:$$cap_maildev_version volumes: - /var/run/docker.sock:/var/run/docker.sock - $$cap_appname-data:/data restart: always caproverExtra: containerHttpPort: '1080' caproverOneClickApp: variables: - id: $$cap_maildev_version label: MailDev Version defaultValue: 2.0.5 description: Check out their Docker page for the valid tags https://hub.docker.com/r/maildev/maildev/tags validRegex: /^([^\s^\/])+$/ instructions: start: >- MailDev is a simple way to test your project's generated email during development, with an easy to use web interface that runs on your machine built on top of Node.js. More information about this container can be found here: https://hub.docker.com/r/maildev/maildev . Official website: https://maildev.github.io/maildev/ After installation on CapRover, it will be available as srv-captain--YOUR_CONTAINER_NAME at port 1080 to other CapRover apps . Port Mapping: You need map port 1025 to the container application to get inbound mail work . end: MailDev is a simple way to test your project's generated email during development displayName: '' isOfficial: true description: MailDev is a simple way to test your project's generated email during development. documentation: Taken from https://hub.docker.com/r/maildev/maildev