Add systemd/sample_ruby_app.service

systemd/sample_ruby_app.service

@@ -0,0 +1,23 @@
+[Unit]
+Description=MyApp
+After=network.target
+
+[Service]
+Type=simple
+User=root
+
+# App directory
+WorkingDirectory=/usr/local/src/my_app
+
+# Load the rvm environment when `systemctl start` is called
+ExecStart=/bin/bash -lc '/usr/local/rvm/rubies/ruby-3.0.2/bin/bundle exec rackup -p 6080 -o 0.0.0.0 -s puma -E production'
+
+# Restart when the app or service fails
+Restart=always
+
+# Environment variables the service or app must use
+Environment=RAILS_ENV=production
+
+# `Install` is optional for a service, and it's used here because it's required here.
+[Install]
+WantedBy=multi-user.target