Rails app deployed with Dokku can't be accessed
Using DigitalOcean droplet with IPv4 147.182.203.240. Followed the Dokku tutorial with some changes, which I'll list here. The list also includes things I've already tried
- App built from Dockerfile. Container exposes port 3000 through
EXPOSE - Setting path for correct Dockerfile with
dokku builder-dockerfile:set myapp dockerfile-path .dokku/Dockerfile - Set
config.force_ssl = falseon production.rb - As recommended on some sites, nginx's
sites-enabled/defaultfolder was deleted. Nginx then restarted but no changes. Even after this change, Nginx home page stills shows up intermittently when you visit the drolet IP: http://147.182.203.240. - Following Dokku docs on EXPOSE, added a map from 3000 to 80, and deleted map from 000 to 3000.
dokku ports:listreturns:
dokku ports:list blog-demo
-----> Port mappings for blog-demo
-----> scheme host port container port
http 80 3000
dokku domains:report returns:
dokku domains:report
=====> blog-demo domains information
Domains app enabled: true
Domains app vhosts: 147.182.203.240
Domains global enabled: true
Domains global vhosts: packer-6481b5fa-f32f-c6ab-b44d-a2621ac2dcee
- Finally added firewall exception to port 3000:
sudo ufw allow 3000/tcp. IP still shows nginx home page, or "Unable to connect" message. However IP:3000 shows a blue screen
However rails app logs don't show nothing relevant.
App is apparently running without issues, I can see the usual Puma logs when server starts (Listening on http://127.0.0.1:3000), but I'm unable to connect the app with the IP to see the Rails home page. Any suggestions are welcomed.
After a completely clean re-try, it looks like there was a mix of settings from an older Dokku version.
Digital Ocean's 1-click Dokku droplet does not include the latest Dokku version. After an initial setup, I upgraded the version without any success to the deployment. As a last resource, I created a non-1-click droplet and then installed Dokku manually, everything works as expected.
There are already issues in the official repo, so nothing new to add.
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