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| -rw-r--r-- | README.md | 24 |
1 files changed, 22 insertions, 2 deletions
@@ -110,7 +110,7 @@ on port `53` and enables `whoami` plugin is: ~~~ Sometimes port number 53 is occupied by system processes. In that case you can start the CoreDNS server -while modifying the Corefile as given below so that the CoreDNS server starts on port 1053. +while modifying the `Corefile` as given below so that the CoreDNS server starts on port 1053. ~~~ corefile .:1053 { @@ -118,9 +118,29 @@ while modifying the Corefile as given below so that the CoreDNS server starts on } ~~~ -If you have a Corefile without a port number specified it will, by default, use port 53, but you can +If you have a `Corefile` without a port number specified it will, by default, use port 53, but you can override the port with the `-dns.port` flag: `coredns -dns.port 1053`, runs the server on port 1053. +You may import other text files into the `Corefile` using the _import_ directive. You can use globs to match multiple +files with a single _import_ directive. + +~~~ txt +.:53 { + import example1.txt +} +import example2.txt +~~~ + +You can use environment variables in the `Corefile` with `{$VARIABLE}`. Note that each environment variable is inserted +into the `Corefile` as a single token. For example, an environment variable with a space in it will be treated as a single +token, not as two separate tokens. + +~~~ txt +.:53 { + {$ENV_VAR} +} +~~~ + A Corefile for a CoreDNS server that forward any queries to an upstream DNS (e.g., `8.8.8.8`) is as follows: ~~~ corefile |