thbar
Hi there,
I’m in the process of deploying a Phoenix app to a EU host (UpCloud specifically), where the instances provided are mostly raw VMs with an init script (you can manage the VMs with Terraform & Ansible later if needed).
I am interested to hear about people who went that road recently:
- building releases locally & pushing them via SSH, to start (I’m working locally on Mac OS)
- picking a server (nginx/caddie versus raw cowboy/bandit with SSL?)
- later : building releases on the code hosting (e.g. GitHub) & do CD from there
- potentially, the init scripts that you may have used
- no docker necessarily for now, but that may come later
What are your preferred resources, scripts & snippets to achieve that?
I went through the forum but so far found mostly outdated advice.
Thanks!
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Dmk
I just created GitHub - dmkenney/xamal: Deploy Elixir apps to bare metal servers. Like Kamal, but with native releases + Caddy instead of Docker. · GitHub - which is has the same principals and ergonomics as Kamal - just removes the need for Docker on the server. So you build your Elixir release and it uses SSH to push it the server(s). Caddy is installed on the server and is used for SSL if desired, and also for 0-downtime deploys.
I had previously been using Kamal and loved it - but really wanted to remove the Docker dependency on the server for various reasons.
Using this now for two different apps, and it working well.
vkryukov
What about the database? How do you get it installed / connected on the target host with xamal?
Dmk
Xamal doesn’t have anything to do with the DB. I use Ansible for provisioning the VPS - which handles installing and configuring the DB as well as anything else I need.
Kamal has the notion of accesories (of which a DB can be one) if that’s more your style.
Dmk
Just a note here as well - I’m also thinking of creating a download script up in the next few days so you don’t have to clone the repo and build it locally. I’ll just upload the escript directly to GitHub and have a shell script that downloads it somewhere on the path.
jaysoifer
Would love to see some updates here
I am embarking on this journey right now and there isn’t much documentation available online or blog posts. I might also end up writing my own though between learning, doing, and then documenting… this will take a while
Potions
One deployment-related update is that I launched Potions (potions.io), built specifically for deploying Elixir apps to your own VPS.
jaysoifer
This looks really neet! Though this is an UpCloud thread, right? Can I use potions for it?
sntran
I tackle deployment a bit different than the cloud providers. Currently I create a single file (thanks for Cosmopolitan library) ERTS that can run your release in many OSes. A single file, bundling your whole Elixir/Erlang app too. If that is something you are interested, let me know.
Potions
Not yet, but I have thought about adding UpCloud to the supported VPS providers (currently DigitalOcean and Hetzner). If it would help you, let me know!
jaysoifer
I have no idea how that would work
I am definitely curious about it – not sure if it is worth your time explaining it