Architecture

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NGINX#

The webserver NGINX delivers all static content, e.g. images, JavaScript files or CSS files.

uWSGI#

uWSGI is the application server that runs the DefectDojo platform, written in Python/Django, to serve all dynamic content.

Message Broker#

The application server sends tasks to a Message Broker for asynchronous execution. Currently, only Redis is supported as a broker.

Celery Worker#

Tasks like deduplication or the JIRA synchronization are performed asynchronously in the background by the Celery Worker.

Celery Beat#

In order to identify and notify users about things like upcoming engagements, DefectDojo runs scheduled tasks. These tasks are scheduled and run using Celery Beat.

Initializer#

The Initializer setups / maintains the database and syncs / runs migrations after version upgrades. It shuts itself down after all tasks are performed.

Database#

The Database stores all the application data of DefectDojo. Currently only PostgreSQL is supported.