fix(docker) nextjs unable to connect to db

[joewired]

To connect to the nextjs-monorepo-example-db container from the nextjs-app container both containers need to be in the same docker network. Otherwise, you get a connection error.

The service name main-db as the hostname when they are in the same network.

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Name	Status	Preview	Comments	Updated (UTC)
monorepo-nextjs-app	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 8, 2024 1:25am

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[belgattitude]

Nice ! Thank you