Custom DNS records in addition to wildcard

[science695]

I'm using this bind container with devilbox, but I'm needing to run both apache/php-fpm, and another container running a ngingx (api-umbrella).

This feature would allow you to pass in an environment variable and specify other subdomains (under the $WILDCARD_DOMAIN) that go to different ip addresses (or even sub-subdomain wildcards: *.a.loc)

While being globally available, it should also work with devilbox.

[cytopia]

@science695 very good idea. I am currently looking into and thinking my head around it.

So far I think this solves a few issues and I will merge it.

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One thing however I might change is the custom DNS to not use the currently chosen wildcard TLD, but rather be able to use any domain. I think that will give you more power/control overall.

So I will rewrite it afterwards to be able to specify the following:

EXTRA_HOSTS='test.de=1.2.3.4,test.org=some.dns.de,api.sub.com=2.3.4.5'

This will mean that

1. test.de will be made available by IP: 1.2.3.4
2. test.org will be available by whatever IP some.dns.de resolves to (also allows domains)
3. api.sub.com will be made available by IP: 2.3.4.5

Being able to also map DNS names into your chosen DNS name will also allow you to make use of host.docker.internal DNS name, which always points to the IP address of your host computer from within a container.

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Update:

This will also solve the problem accessing the host computer as described here: https://deliciousbrains.com/devilbox-local-wordpress-development-docker/#communicating-with-external-hosts

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Thoughts on that?

[science695]

Does that mean you would add the ability to do cnames and other tags (instead of just A records)?

Something like:

EXTRA_HOSTS='special.host=CNAME=docker.localhost'

I'm not sure what docker does with ipv6, but that ^ functionality could open up ipv6. (The code in this request is only the ipv4 "A" record)

[cytopia]

Similar, you only need two values:

EXTRA_HOSTS='special.host=CNAME'

If the running container is able to resolve CNAME, it will add this record, if it cannot resolve it, it will skip it.

For extra hosts I will also make sure to add reverse DNS.

[cytopia]

@science695 I will close your PR in favour of a major rewrite: #8

Thanks a lot for this idea and your effort, unfortunately I could not merge yours, because of basically changing everything.