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

submitted 10 months ago* (last edited 10 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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[–] markr@lemmy.world 2 points 10 months ago (1 children)

Containers are very lightweight. I have no desire to build anything so I always just add another service container to my existing stacks.

[–] mudeth@lemmy.ca 1 points 10 months ago

That was my impression as well. But since I'm on a low-RAM VPS any overhead in RAM adds up, and I wanted to know how process deduplication works before I get into it.