[yocto] How to customize a file coming from another recipe?

[Brad Litterell]

I'm building w/the Arago distribution which contains lighttpd for a web server.  I include this in my image as follows:

IMAGE_INSTALL = "packagegroup-core-boot \
...
lighttpd lighttpd-module-cgi lighttpd-module-compress lighttpd-module-expire \
...
"

This installs a default configuration file for the service which I now want to customize.  What is the recommended way to overwrite or customize files in another package?

Is the best course to create a recipe bbappend for the lighttpd_1.4.31.bb file that is being used?  And can I just include a new file with the same name in my append and will it overwrite the old one, or do I need to create an actual patch file?

Or is it better to create a new separate  recipe that just ships my version of the configuration file? How are conflicts handled when two recipes attempt to install the same file?

Thanks,
Brad
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