Hosting a modded Minecraft server

Hi guys!
I'm trying to host a modded minecraft server through Railway using the Minecraft Server template and I am running into a couple roadblocks:

- First off, after reading the documentation for itzg/minecraft-server I've set up forge to auto-download, and it downloads most mods but some need to be added manually, which leads me to my first problem: How do I edit files on a volume?

- My second issue is that the process crashes, but it could be caused by the first issue so I'm gonna assume I need to resolve the first problem first.

@ThallesComH - you're up

for downloading other mods, you'll have to upload it somewhere and provide a direct download link through the MODS= environment variable.
example:

EULA=TRUE
TYPE=FORGE
VERSION=1.19.4
MODS=https://cdn.discordapp.com/attachments/1132868851927896105/1133203094474338375/MTR-forge-1.19.4-3.2.2-hotfix-1.jar,https://cdn.discordapp.com/attachments/1132868851927896105/1133203094876987502/architectury-8.2.89-forge.jar

The mods I'm referring to are on Forge, some are just set to not auto-download
But ok, I'll try that
I do have a server set up on my machine currently, is there any way to upload my files directly to the volume? (I'd like to have my world as well, which is why I'm asking)

railway doesn't provide any upload interface for the volume, interacting with the volume is only done by the service that's connected to it

The way I thought to get around it was detaching the volume and connecting some s3/ftp service or something along those lines, do you think that'd work?

yes that would work, as long as you are already okay with doing something like that, use this https://railway.app/template/Nan7Bs with a service variable USE_VOLUME_ROOT set to 1

ok so two questions; How do I access it and where do I mount the volume?

access it from the railway domain the service is given, mount point doesn't matter at all

Ok, I'll check it out now

it comes with a volume, but just unmount it and remount yours

It actually didn't, ngl

it does
it's shown in the template

Dunno what to tell you, I added the service in my project and it came with no volume attached

well then railway bug

Oh cool, I love finding those
I'll report it in a bit (unless you'd like to verify it and report it yourself)

question, how would I verify it myself?

Create some other project, then add the service from template

oh you're talking about that, nah railway will sort it out

Oh I'm sure they will, I'd like to report it anyways tho just to be safe

if you can reproduce it, go for it

That's the plan :)
Anyways thanks for the help, I'm currently uploading all the files and restarting the service, then I'll see about if it crashes and so on

sounds good

ok, crash loop achieved

Here's the error:

How fun

alright we need @ThallesComH again

figures ¯\_(ツ)_/¯

usually this kinda of problems appear because of wrong java version or wrong mc version.
what mc version are u using?
and btw, im seeing somethings from sponge (another server software)

Good question about the Java version, I just cloned the Minecraft Server template so I'm not really sure - how would I check?
I set TYPE to FORGE in the environment variables, so this shouldn't be happening. That's weird.

i was talking more about the mod being a sponge only, but that's just a guess, maybe they're just using a library from sponge
see this https://docker-minecraft-server.readthedocs.io/en/latest/versions/java/

https://www.curseforge.com/minecraft/modpacks/create-mod-plus
This is the modpack if that helps

does it work local?

Yeah

so yeah it's probably not the mod then, check the java version and mc version

Also, the server should be using Java 17 and according to the page you sent seems the docker should be using the same version

Yep, Java version 17

I am actually using v17 locally as well, so it really should work

did you set the mc version to 1.18?

How do I do that? I didn't know I needed to

it defaults to the latest version, which is 1.20 currently i think
let me get it for you
here https://docker-minecraft-server.readthedocs.io/en/latest/versions/minecraft/

ok, I set it to 1.18, waiting for the deployment

Seems to be much of the same?

Also on startup it's setting the max RAM to 1G which is probably not a great idea

[init] Running as uid=1000 gid=1000 with /data as 'drwxrwxr-x 13 1000 1000 4096 Aug 22 14:38 /data'

[init] Resolving type given FORGE

[mc-image-helper] 14:38:52.100 INFO  : Re-installing Forge due to version change from MC 1.18.2/Forge 40.2.0 to MC 1.18/Forge 38.0.17

[mc-image-helper] 14:38:52.103 INFO  : Downloading Forge installer 38.0.17 for Minecraft 1.18

[mc-image-helper] 14:38:53.101 INFO  : Running Forge installer. This might take a while...

[init] Setting initial memory to 1G and max to 1G

[init] Using Forge supplied run.sh script...

Wait, seems as though I need to specify 1.18.2 and not just 1.18?

yeah that i was going to say
set it to 1.18.2
you can change that

Done. Waiting for deployment

It seems to be up? Where do I make a public domain, Minecraft Server or Ngrok

the public domain is printed in the ngrok service

It wasn't there, but I generated one
I'm launching minecraft to see if it's up, one second

no, it's in the logs of ngrok service
i've to make that clear, people dont know about the readme in the template

Yeah I just assumed it'd use the "public domains" thing in Railway
I do see it tho, checking now
It was definitely not up, but it didn't crash either it seems? I'm trying to restart the service and see if that works

Ooh boy

is that the full logs?
oh you're trying to load a mod that is only client side

usually mods have a dedicated jar only for servers

Yeah I'm removing it now
It's weird tho, I copied the mods folder from my local server which was running

you didn't added that mods env right?

I did not, no
Could've been remnants of the auto-download thing

ok, maybe some mod that auto-downloaded was client only?

Maybe because I linked it the normal modpack? Could it just not know to grab the server pack from curseforge?

yeah, it probably just download the most recent one or something like that

New error:

start from the zero, will probably solve that lock file

What?

i'll see after if there's a dashboard for mc servers, will facilitate the process
delete everything and start from ground up

Oh ok, lemme try
Ok I deleted the world folder, it's currently generating (which seems to be a good sign)

!!!

Thank you so so much! to both of you guys!

:)