How do I restart airflow webserver?

Question

I advice running airflow in a robust way, with auto-recovery with systemd
so you can do:
– to start systemctl start airflow
– to stop systemctl stop airflow
– to restart systemctl restart airflow
For this you’ll need a systemd ‘unit’ file.
As a (working) example you can use the following:
put it in /lib/systemd/system/airflow.service

[Unit]
Description=Airflow webserver daemon
After=network.target postgresql.service mysql.service redis.service rabbitmq-server.service
Wants=postgresql.service mysql.service redis.service rabbitmq-server.service
[Service]
PIDFile=/run/airflow/webserver.pid
EnvironmentFile=/home/airflow/airflow.env
User=airflow
Group=airflow
Type=simple
ExecStart=/bin/bash -c 'export AIRFLOW_HOME=/home/airflow ; airflow webserver --pid /run/airflow/webserver.pid'
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s TERM $MAINPID
Restart=on-failure
RestartSec=42s
PrivateTmp=true
[Install]
WantedBy=multi-user.target

P.S: change AIRFLOW_HOME to where your airflow folder with the config

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