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Adding services to an existing Docker nginx container (lemmy.ca)

submitted 8 months ago* (last edited 8 months ago) by mudeth@lemmy.ca to c/selfhosted@lemmy.world

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Hi, I'm just getting started with Docker, so apologies in advance if this seems silly.

I used to self-host multiple services (RSS reader, invoicing software, personal wiki) directly on a VPS using nginx and mariadb. I messed it up recently and am starting again, but this time I took the docker route.

So I've set up the invoicing software (InvoiceNinja), and everything is working as I want.

Now that I want to add the other services (ttrss and dokuwiki), should I set up new containers? It feels wasteful.

Instead, if I add additional configs to the existing servers that the InvoiceNinja docker-compose generated (nginx and mysql), I'm worried that an update to Invoiceninja would have a chance of messing up the other setups as well.

It shouldn't, from my understanding of how docker containers work, but I'm not 100% sure. What would be the best way to proceed?

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[–] N0x0n@lemmy.ml 1 points 8 months ago

Nah, that's not how it works ! I have over 10 applications and half of them have databases, and that's the prime objective of containers ! Less resource intensive and easier to deploy on low end machines. If I had to deploy 10 VMs for my 10 applications, my computer would not be able to handle it !

I have no idea how it works underneath, that's a more technical question on how container engines work. But if you searx it or ask chatGPT (if you use this kind of tool) i'm sure you will find out how it works :).