2021-08-20 12:21:38 +00:00
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---
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author: Alvie Rahman
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date: \today
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title: Python
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2022-03-02 01:43:54 +00:00
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tags:
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- docker
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- python
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- programming
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- io
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uuid: cd5c50f9-66f4-4a3b-b89a-04a20ecd642b
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2021-08-20 12:21:38 +00:00
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---
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# Issues
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## No log output when running in docker
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Change line beginning with `CMD` from:
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```Dockerfile
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CMD [ "python", "app.py" ]
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```
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to:
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```Dockerfile
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CMD [ "python", "-u", "app.py" ]
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```
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This disabled output buffering (stdout and stderr).
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