Caprover is essentially a self-hosted Heroku, along with the ability to one-click-deploy a Docker container. The details for these one-click apps are in a .yml — one currently exists for Discourse, but this is based on Discourse version 2.4.4. The installation relies on the environment variable ALLOW_EMPTY_PASSWORD=yes. Installing a newer version of Discourse than version 2.4.4 simply doesn’t work: it throws errors asking for PostgreSQL and Redis passwords to be provided in env variables. When they are provided, it fails another way (I gave up trying, so can’t recall!). Installing version 2.4.4 and trying to upgrade from the dashboard doesn’t work, as it throws the error that Sidekiq isn’t running, and you can’t open a shell in the application. I don’t understand how Discourse, Docker or Caprover works enough to modify the .yml file to make it work with a newer version! Does anyone have any pointers? .yml file for Discourse version 2.4.4 Instructions for turning docker-compose files into Caprover apps

If you can’t get help from the caprover people then your best bet will be a standard install and restore the database to the new instance.

Any updates on this? I am also trying to install Discourse via Caprover, but only 2.4.4 works and uses the unsafe empty passwords. Whenever I try to use any other versions, it doesn’t work. When they are provided, it fails another way (I gave up trying, so can’t recall!). Funny that I went the exact same route, trying a newer installation, setting postgres password env variables, trying to update postgres pass in container, yet it still didn’t work…

It sounds much more difficult than a standard install. What is appealing to you about this setup? Do you want to run multiple web sites on a single host?

You’re very unlikely to get an update here because what you’re trying to do by it’s nature is unsupported.

It is a one-click install, not more difficult, a lot easier, the only problem is that only version 2.4.4 works. And yes, I have a server with many apps/sites on it, I want to add a discourse instance too (migrate an existing 2.7.0 one)

What exactly is unsupported? Providing a Discourse one-click install for Caprover?

Also contacting the Caprover people doesn’t do much, as they are only handling the platform itself, each app developer must provide their own one-click configuration file based on Docker containers. Also, because 2.4.4. works, I assume it should be easy to figure out what changed and fix it for the latest version?

The only install we support here is the standard install. Third parties create packages to encourage users to utilize their product, service or platform. As you’re experiencing those packages aren’t well-maintained. We can’t really assume any of the technical debt they incur, but we can help you install discourse in a way that will continue to work in the future.

[תמונה] Cristian: I assume it should be easy to figure out what changed and fix it for the latest version? You’re welcome to make that assumption. Years of assisting users here has shown that these packages can and will break in unpredictable ways. It’s really between you, caprover and the package developer though.

I understand, I am an app developer myself, but there are definitely ways users can install the app easier. This is why, for example, you do provide a Docker image, even though Docker is also a third-party. I also think I saw on DigitalOcean a one-click-app for Discourse. I do believe it is up to the developers to provide various ways the users can install their product and support different platforms.

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XCS (Cristian) 8 בדצמבר,‏ 2022,‏ 12:20am 13

Ok, I think I fixed it, see this: App issue: Discourse · Issue #803 · caprover/one-click-apps · GitHub

נושא		תגובות	צפיות
Discourse installation in docker in portainer Self-hosting unsupported-install	4	1337	31 באוקטובר,‏ 2023
Install v1.7.2 using Docker Development	6	1156	21 במרץ,‏ 2017
Discourse update plugin without docker Self-hosting unsupported-install	5	1563	10 באוגוסט,‏ 2021
Installing Discourse using Portainer Self-hosting unsupported-install , hosting	6	2676	16 במאי,‏ 2025
Fresh install old Discourse version? Self-hosting unsupported-install	6	1111	12 באפריל,‏ 2024

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