copy a single file to docker image

Question

I have a situation where I have to copy a single file into docker image.

when I am using :

COPY ./folder_source /folder_destination

its copying all its contents from folder_source to folder_destination. Till this point I am okay to handle file movement. But I am not able to find a way to copy a single file to docker image.

COPY ./setup_server.sh /folder_destination

seems like COPY always expects a folder as a source. Is there any way out to that problem?

possible duplicate of [How to use Docker's COPY/ADD instructions to copy a single file to an image](http://stackoverflow.com/questions/31640660/how-to-use-dockers-copy-add-instructions-to-copy-a-single-file-to-an-image) — jwodder, Jul 29 '15 at 17:22

score 2 · Answer 1 · answered Jul 29 '15 at 17:26

2

When you COPY into a directory it must end with a /. For further information please refer to the official documentation.

answered Jul 29 '15 at 17:26

Henrik Sachse

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well yes that will work, but I have tried without a / , but it did work. I meant all the contents of the source folder get copied to the destination. – psaha4 Jul 29 '15 at 18:06
Then, if the source is a directory, you might want to use [`ADD`](http://docs.docker.com/reference/builder/#add) instead. – Henrik Sachse Jul 29 '15 at 18:09
I need a solution for adding a single file not all contents of a folder. – psaha4 Jul 29 '15 at 19:00
`ADD ./setup_server.sh /folder_destination/` – Henrik Sachse Jul 29 '15 at 19:07

copy a single file to docker image

1 Answers1