Wildcard Admin identifiers

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1. Output of caddy version:

v2.6.2 h1:wKoFIxpmOJLGl3QXoo6PNbYvGW4xLEgo32GPBEjWL8o=

2. How I run Caddy:

I am just running caddy as a test vanilla install , trying to configure the admin API options via JSON.

a. System environment:

CentOS Linux release 7.9.2009 (Core)

b. Command:

/usr/bin/caddy run --environ --config /etc/caddy/config.json

c. Service/unit/compose file:

Paste full file contents here.
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d. My complete Caddy config:

{ 
  "admin": {
     "identity": {
       "identifiers": [
         "127.0.0.1"
       ],
       "issuers": [{
         "module": "internal",
         "ca": "",
         "lifetime": 0,
         "sign_with_root": false
       }]
     },
     "remote": { 
       "listen": ":2021",
       "access_control": [
         { 
           "public_keys": [
             "<redacted>"   
           ]
         }
       ]
     }
  }
}

3. The problem I’m having:

I’d like to know if its possible to configure caddy to have a “wildcard” identity > identifiers (i.e. “0.0.0.0” or “*”).

I am configuring caddy for a distributed network of servers and although I can just hard code all the public IPs of each of the servers in this section of the config JSON, it doesnt feel dynamic as I would have to update this portion every time a new server is added.

Is there a better way of doing this?

4. Error messages and/or full log output:

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5. What I already tried:

6. Links to relevant resources:

2

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