Puma mit Socket Activation

puma.service

[Unit]
Description=Puma HTTP Server
After=network.target
Requires=puma.socket

[Service]
User=wiki

# Helpful for debugging socket activation, etc.
Environment=PUMA_DEBUG=1

ExecStart=/srv/wiki/current/bin/puma \
  -e production \
  --dir /srv/wiki/current \
  --bind unix:///srv/wiki/shared/tmp/sockets/puma.sock
Restart=always

[Install]
WantedBy=multi-user.target

puma.socket

[Unit]
Description=Puma HTTP Server Accept Sockets

[Socket]
SocketUser=wiki
ListenStream=80

# Socket options matching Puma defaults
NoDelay=true
ReusePort=true
Backlog=256

[Install]
WantedBy=sockets.target