Using micro-httpd with systemd

[wolfgang42]

https://www.acme.com/software/micro_httpd/

my-http-server@.service:

[Unit]  
Description=micro-httpd

[Service]
Type=simple
ExecStart=micro-httpd /path/to/serve
StandardInput=socket
StandardOutput=socket
StandardError=journal
DynamicUser=yes
PrivateUsers=true

(note the @, this is a template, more on this below)

my-http-server.socket:

[Socket]
ListenStream=13688
Accept=yes

[Install]
WantedBy=sockets.target

Also need to

systemctl daemon-reload
systemctl start my-http-server.socket
systemctl enable my-http-server.socket

Template will create entries like:

my-http-server@3-10.1.23.10:13688-10.1.23.101:37440.service

With help from https://mgdm.net/weblog/systemd-socket-activation/ and https://gist.github.com/drmalex07/28de61c95b8ba7e5017c