Hot deployment allows you to quickly make and deploy changes to your application without having to generate a new source-to-image (S2I) build. If you are using Django, hot deployment works out of the box.
To enable hot deployment while using Gunicorn, ensure you have a Gunicorn
configuration file inside your repository with https://gunicorn-docs.readthedocs.org/en/latest/settings.html#reload[the reload option set to true. Specify your configuration file using the APP_CONFIG environment variable. For example, see the oc new-app command. You can use the oc set env command to update environment variables of existing objects.
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Warning
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You should only use this option while developing or debugging. It is not recommended to turn this on in your production environment. |
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Procedure
To change your source code in a running pod, use the oc rsh command to enter the container:
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$ oc rsh <pod_id>After you enter into the running container, your current directory is set to /opt/app-root/src, where the source code is located.