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• 🧵 PostHog Template crashing on Deployment
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Loudbook and I have started work on this 🙂

Thanks, buddy, let me know when you complete it, i will be happy to try and report any issue if arise.

Dub analystics are using a SaaS, cannot be fully selfhosted on railway

Also the databases are using a SaaS, upstash sdk, which cannot be selfhosted

I also literally cannot get their repository to compile.

Exactly, its an app made for vercel and other similar apps, practically impossible unless you make a massive codebase change

Well, the bounty is there until someone presents a quality template that isn't a fork.

its not possible without external services

I understand that there are some dependencies that can't be self-hosted, like Upstash, Cloudflare R2, etc, and that's totally ok. You can define those as environment variables wherever self-hosting is not possible.

I want a template that makes the deployment easy. I already have all dependencies ready, but I am still unable to host the application on Railway. It's a monorepo, and I don't have much coding experience, and in deployment too.

Hey buddy, any update?

Yep, as OP said, I don't expect the template to self host the external dependencies that dub requires, they can be be input as environment variables.

Have been working on job related things unfortunately so I have been unable to work too much. Working n it now though and will make progress over the day.

Hey dheerajydv19.

Building the plain image from the dub repo does seem to be outputting this weird error. I wonder if we can disable type checking based on an ENV flag to make building on Railway better.

Doing a bit more investigating with this before I give a solid "this doesnt work" but it might involve some config being PRed into the project if that's alright.

might aswell just use dub directly atp, anyways, good luck noah and loudbook

Yeah it looks like it is quite a bit more complex to create then I would hope. I think I'll pass on working on it (too much time to be worth the bounty) but Loudbook is probably still interested.

So I did more looking into this and unfortunately the dub codebase currently has an error which wont allow you to build.

Apps > web > app > (ee) > api > cron > groups > create-default-links > routes.ts 149:17

Are you or any of the dub maintainers able to shed some light on this or fix in your end?

It also looks like the previews deployments are also all failing as of ~8 hours ago

Hey, i am not a maintainer of dub, i am just a normal user trying to use that open-source project into one of my project. You can submit a PR but it's acceptance is not in our control.

I also came across these issues, and some problems got fixed when you use the correct package version.

Package Version

node v23.11.0

pnpm 9.15.9

The project is not building correctly locally - verify your versions of node and pnpm Match the recommended versions above. Delete all node_modules, .next, and .turbo directories in the apps and packages directory. You may now reinstall node_modules by running pnpm install and attempt to rebuild the project with pnpm build.

Some issues will get fixed by doing this, some will still remain, which I don't know how to resolve. I mostly code in Python and am new to frontend.

Phew, this was easier said than done, but it's done now and available here 👉 https://railway.com/deploy/dub-railway?referralCode=aceweb&utm_medium=integration&utm_source=template&utm_campaign=generic

The catch is that Dub isn't really built to self-host outside Vercel, so a few things needed solving:

• Database: Dub queries MySQL through PlanetScale's serverless HTTP driver, so the template runs a tiny ps-http-sim proxy in front of a standard Railway MySQL to speak that protocol.
• Build: Railway's security scanner blocks Dub's pinned Next.js CVE (bumped it across the workspace), and a couple of routes need env present at build time (handled with placeholders). Build uses the public DB URL, runtime uses the private one.
• Dashboard: Dub hardcodes app.dub.co, so a plain deploy just showed "Link Not Found". Patched it so your Railway domain is treated as the app domain and login works out of the box.

What's in it: three wired services (Dub app + MySQL + the proxy), auto-generated secrets, and the database fully auto-wired. You just bring your own Upstash (Redis + QStash), Tinybird, object storage, and one login method (GitHub/Google OAuth or Resend).

Take it for a spin and let me know how it works. 😄

forks arent allowed

hmm aren't allowed by whom? it's not possible to make it work without a fork as their repo cannot possibly be built on railway, and also needs some slight customizations to make it work well and have everything it needs. Anyway the template is there for anybody that needs it

Hi dheerajvydv19, do you still need this? https://railway.com/deploy/dub-railway?referralCode=aceweb&utm_medium=integration&utm_source=template&utm_campaign=generic