Debug logging on caddy

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1

1. Caddy version (caddy version):

Development version from git

2. How I run Caddy:

Systemd unit provided by ubuntu package

a. System environment:

Ubuntu 20.04

b. Command:

Systemd unit provided by ubuntu

c. Service/unit/compose file:

Systemd unit provided by ubuntu

d. My complete Caddyfile or JSON config:

# The Caddyfile is an easy way to configure your Caddy web server.
#
# Unless the file starts with a global options block, the first
# uncommented line is always the address of your site.
#
# To use your own domain name (with automatic HTTPS), first make
# sure your domain's A/AAAA DNS records are properly pointed to
# this machine's public IP, then replace the line below with your
# domain name.
#
{
    experimental_http3
    email ******@linuxandria.com
    admin off
}

log {
    output stdout
    level debug
}

(cert) {
   tls {
        dns cloudflare *************
    }
}

linuxandria.com {
    redir https://www.linuxandria.com{uri} permanent
}

#test.linuxandria.com {
#    import cert
#    encode * gzip {
#       gzip 9
#    }
#    file_server
#    php_fastcgi unix//run/php/php7.4-fpm.sock
#    root * /var/www/test
#    reverse_proxy * localhost:2369
#    push
#}

www.linuxandria.com {
    import cert
    encode gzip zstd
    file_server
    php_fastcgi unix//run/php/php7.4-fpm.sock
    root * /var/www/html
    push
}

xyzz4.linuxandria.com {
    import cert
    encode gzip zstd
    root * /var/www/matomo
    php_fastcgi unix//run/php/php7.4-fpm.sock
    file_server
    push
}

downloads.linuxandria.com {
    import cert
    encode gzip zstd
    file_server
    php_fastcgi unix//run/php/php7.4-fpm.sock
    root * /var/www/downloads
    push
}

jenkins.linuxandria.com {
    import cert
    encode gzip zstd
    reverse_proxy 127.0.0.1:7070
}

git.linuxandria.com {
     import cert
     encode gzip zstd
     reverse_proxy * localhost:8181 {
         header_up Host {http.request.host}
         header_up X-Real-IP {http.request.remote.host}
         header_up X-Forwarded-For {http.request.remote.host}
         header_up X-Forwarded-Port {http.request.port}
         header_up X-Forwarded-Proto {http.request.scheme}
     }
}

admin.linuxandria.com {
     import cert
     encode gzip zstd
     reverse_proxy * localhost:9080
}

bw.linuxandria.com {
  import cert
  encode gzip zstd
  header / {
       Strict-Transport-Security "max-age=31536000;"
       X-XSS-Protection "1; mode=block"
       X-Frame-Options "DENY"
       X-Robots-Tag "none"
       -Server
   }
  reverse_proxy /notifications/hub/negotiate 172.18.0.2:80
  reverse_proxy /notifications/hub 172.18.0.2:3012
  reverse_proxy 172.18.0.2:80 {
       header_up X-Real-IP {remote_host}
  }
}

nc.linuxandria.com {
    import cert
    encode gzip zstd
    php_fastcgi unix//run/php/php7.4-fpm.sock
    root * /var/www/nextcloud
    encode gzip
    push
}

cdn.linuxandria.com {
     import cert
     root * /var/www/cdn
     encode gzip
     file_server
}

#zzyx5.linuxandria.com {
#     import cert
#     root * /var/www/bypass
#     encode gzip
#     file_server
#}

3. The problem I’m having:

Using the suggestions from the documentation, trying to turn on debug logs is crashing caddy.

4. Error messages and/or full log output:

N/A

5. What I already tried:

What’s in the caddyfile

6. Links to relevant resources:

2

The log directive only enables access logs, and it must be enabled per site.

Right now, Caddy is parsing your Caddyfile as log being a site name, which is invalid.

I think what you were looking for instead is the debug global option, which will set the log level for the default logger to DEBUG.

3

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