systemd puma service

puma.service

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

# Uncomment for socket activation (see below)
# Requires=puma.socket

[Service]
Type=simple

# Preferably configure a non-privileged user
# User=

# The path to the your application code root directory.
# Also replace the "<YOUR_APP_PATH>" place holders below with this path.
# Example /home/username/myapp
WorkingDirectory=/var/www/app/current

# Helpful for debugging socket activation, etc.
# Environment=PUMA_DEBUG=1
Environment="RAILS_ENV=production"
ExecStart=/root/.rbenv/shims/bundle exec puma -C /var/www/app/shared/config/puma.rb

Restart=always

[Install]
WantedBy=multi-user.target