Docker - COPY/ADD files remove the trailing line

Asked Nov 26 '15 at 21:36

Active Nov 26 '15 at 21:36

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It is really strange what is happening. I check several time. I have a docker image copying/adding a yml file to the container. This yml file has trailing line. I added three empty line to be sure.

If I go to the container and do a cat those trailing line are not here any more. Which cause the following error:

YAML Error: Stream does not end with newline character
YAML_PARSE_ERR_NO_FINAL_NEWLINE

asked Nov 26 '15 at 21:36

Clempat

This doesn't occur on `Docker version 1.9.1, build a34a1d5` when using COPY on a directory – Matt Nov 27 '15 at 02:16
Yeah somehow I cannot reproduce :( – Clempat Nov 27 '15 at 16:36
1

This *does* occur in Docker 18.06.1-ce-mac73 (26764) with Compose: 1.22.0. – mknaf Sep 22 '18 at 17:23

Docker - COPY/ADD files remove the trailing line

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