Systemd Puma Service

puma.service

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

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

[Service]
# Foreground process (do not use --daemon in ExecStart or config.rb)
Type=simple

# Preferably configure a non-privileged user
User=md
Group=md

# Specify the path to your puma application root
WorkingDirectory=/home/....

# Helpful for debugging socket activation, etc.
# Environment=PUMA_DEBUG=1
# EnvironmentFile=/home/deployer/app/.env

# The command to start Puma
# ExecStart=<WD>/sbin/puma -b tcp://0.0.0.0:9292 -b ssl://0.0.0.0:9293?key=key.pem&cert=cert.pem
# ExecStart=/usr/local/bin/bundle exec --keep-file-descriptors puma -e production
ExecStart=/bin/bash -lc 'bundle exec puma -C /home/......../config/puma.rb'

Restart=always

[Install]
WantedBy=multi-user.target