By jjk2sfu
Basically, I have an image with a flask server.
When I create a new droplet from it, the flask server doesn’t run. It needs to be manually run.
How can I make the bash script to run python server.py as soon as the droplet is ready instead of me having to manually ssh in or run fabric?
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@asb : stop on runlevel [!12345] --> is that mean any runlevel except {1, 2, 3, 4, 5}
The best way to have something run on boot is use an init script. Assuming you are using Ubuntu, you can use Upstart to write it in a simple declarative format. A quick example might look like:
<br>
<br><pre>
<br>description “Daemon for flask project”
<br>
<br>start on (local-filesystems and net-device-up IFACE=eth0)
<br>stop on runlevel [!12345]
<br>
<br># If the process quits unexpectedly trigger a respawn
<br>respawn
<br>
<br>setuid myuser
<br>setgid mygroup
<br>chdir /path/to/dir
<br>
<br>exec uwsgi --master
<br> --processes 4
<br> --die-on-term
<br> --socket /tmp/uwsgi.sock
<br></pre>
<br>
<br>Save the file to “/etc/init/myservice.conf” It will now launch on boot once the filesystem is mounted and the network is active. You can also manage it like other services, using:
<br>
<br><pre>
<br>service myservice start
<br>service myservice restart
<br>service myservice stop
<br></pre>
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