Free task tracker for a local network?

Good afternoon.
Please advise task-Manager:
1) Free
2) For the local network - no Internet access
3) it is advisable with the web interface
March 23rd 20 at 18:58
2 answers
March 23rd 20 at 19:00
Solution
redmine
mantis
bugzilla

...thousands of them... Although I like redmine. However, it is written in ruby and therefore carry a zillion its modules.
March 23rd 20 at 19:02
Solution
Clearly redmine and no one bothers to put it through a Docker container.

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