mkdocs-benoit.jp.net/docs/Self-Host/Infra.md

            .-,(  ),-.    
         .-(          )-. 
        (    cloudflare  )
         '-(          ).-'
             '-.( ).-'    
                 |
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                 v
   .--------------------------.
   |          Hetzner         |                  .----------------------------.
   |           ____           |                  |          OneCloud          |
   |          |====|          |                  |                            |
   |          |    |  10.0.1.2| Tunnel Wireguard |  10.0.1.1 ____             |
   |          |    |<---------------------------------------|====|            |
   |          |____|          |                  |          |    |            |
   |          adm00           |                  |          |    |            |
   |            |             |                  |          |____|            |
   |            v             |                  |          filer00           |
   |==========================|                  |                            |
   |  ____  ____  ____  ____  |                  |                            |
   | |====||====||====||====| |                  '----------------------------'
   | |    ||    ||    ||    | |                  .---------------------------.
   | |    ||    ||    ||    | |                  | 10.0.0.0/16 via 10.0.1.2  |
   | |____||____||____||____| |                  | No other private networks |
   | lxd00 lxd01 lxd02 mail   |                  '---------------------------'
   '--------------------------'
   .---------------------------------------.
   | 10.0.0.0/16 via 10.0.0.1              |
   | hetzner-rt 10.0.0.1                   |
   | mail 10.0.0.2                         |
   | lxd00 10.0.0.3                        |
   | lxd01 10.0.0.4                        |
   | lxd02 10.0.0.5                        |
   | adm00 10.0.0.6+10.0.1.2               |
   | 10.0.1.0/24 via 10.0.0.1 via 10.0.0.6 |
   '---------------------------------------'