I have a docker container in which I am running Flask and Scrapy. I noticed that when I run and build my container on my local machine I get logs in real time. However, on an Ubuntu instance hosted on Digital Ocean, there are almost no updates to the logs.

I am using of course the same parameters for build and run.

Here is my config:

  • local dev environement: OS Linux Mint, docker version 20.10.6
  • cloud environment: OS Ubuntu 20, docker version 19.03.4

What can I do to update the frequency of the logs?

1 Answer 1


It seems that the solution was related to python than to docker itself. I had to use -U parameter when I run flask .


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