Makefile for deploying a go executable as a service to an ssh machine

Makefile

SSH_SERVER=34.32.31.30
SERVICE_NAME=flexit_web                                                                                                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                            
test::                                                                                                                                                                                                      
    go test ./...                                                                                                                                                                                           
build::                                                                                                                                                                                                     
    GOOS=linux GOARCH=arm GOARM=6 go build -o $(SERVICE_NAME) main.go                                                                                                                                       
deploy:: build                                                                                                                                                                                              
    @tar czf - $(SERVICE_NAME) *.html *.css *.js *.service | ssh $(SSH_SERVER) 'echo ≫ Backing up old executable...\                                                                                        
        && test -f /srv/$(SERVICE_NAME)/$(SERVICE_NAME)\                                                                                                                                                    
        && mv /srv/$(SERVICE_NAME)/$(SERVICE_NAME){,.old}\                                                                                                                                                  
        && echo ≫ Extracting into /srv/$(SERVICE_NAME)/...\                                                                                                                                                 
        ;  tar xzf - -C /srv/$(SERVICE_NAME)/\                                                                                                                                                              
        && echo ≫ Restarting service...\                                                                                                                                                                    
        && sudo systemctl daemon-reload\                                                                                                                                                                    
        && sudo service $(SERVICE_NAME) restart\                                                                                                                                                            
        && echo ≫ Checking status...\                                                                                                                                                                       
        && sudo service $(SERVICE_NAME) status\                                                                                                                                                             
        && echo ≫ Done'                                                                                                                                                                                     
setup::                                                                                                                                                                                                     
    echo "Running command on $(SSH_SERVER): $$SETUP_CMD"                                                                                                                                                    
    echo "$$SERVICE_FILE" | ssh $(SSH_SERVER) "$$SETUP_CMD"                                                                                                                                                 
                                                                                                                                                                                                            
define SETUP_CMD                                                                                                                                                                                            
 echo Making directory \                                                                                                                                                                                    
 && sudo mkdir -p /srv/$(SERVICE_NAME)/ \                                                                                                                                                                   
 && echo Creating service file \                                                                                                                                                                            
 && sudo cat > /srv/$(SERVICE_NAME)/$(SERVICE_NAME).service \                                                                                                                                               
 && echo Setting folder permissions \                                                                                                                                                                       
 && sudo chown $$USER -R /srv/$(SERVICE_NAME)/ \                                                                                                                                                            
 && echo Enabling service \                                                                                                                                                                                 
 && sudo sudo systemctl enable /srv/$(SERVICE_NAME)/$(SERVICE_NAME).service \                                                                                                                               
 && sudo systemctl daemon-reload                                                                                                                                                                            
endef                                                                                                                                                                                                       
export SETUP_CMD                                                                                                                                                                                            
                                                                                                                                                                                                            
define SERVICE_FILE                                                                                                                                                                                         
[Unit]                                                                                                                                                                                                      
Description=$(SERVICE_NAME)                                                                                                                                                                                 
                                                                                                                                                                                                            
[Service]                                                                                                                                                                                                   
Type=simple                                                                                                                                                                                                 
WorkingDirectory=/srv/$(SERVICE_NAME)/                                                                                                                                                                      
ExecStart=/srv/$(SERVICE_NAME)/$(SERVICE_NAME) -s /dev/ttyUSB.RS485                                                                                                                                         
Restart=always                                                                                                                                                                                              
RestartSec=90                                                                                                                                                                                               
StartLimitInterval=400                                                                                                                                                                                      
StartLimitBurst=3                                                                                                                                                                                           
                                                                                                                                                                                                            
[Install]                                                                                                                                                                                                   
WantedBy=multi-user.target                                                                                                                                                                                  
                                                                                                                                                                                                            
endef                                                                                                                                                                                                       
export SERVICE_FILE