Docker update or build from new one

Asked Jul 04 '19 at 16:44

Active Jul 04 '19 at 16:44

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I want to ask if I have an old version of docker image and I built a version of the same image does docker update new content only or rebuild the image from the beginning.

I tried locally and I noticed that it takes from the old image then update the new one. but I want to know if the same can be done on aws fargate

asked Jul 04 '19 at 16:44

Are you asking generally, or on Fargate specifically? Docker will reuse intermediate images if it has them, but I doubt Fargate caches them for you. – jonrsharpe Jul 04 '19 at 16:45
I’m asking specifically about fargate – Jul 04 '19 at 16:50
Per e.g. https://stackoverflow.com/q/51618252/3001761, it looks like there's no caching involved on Fargate. – jonrsharpe Jul 04 '19 at 16:51
@jonrsharpe okay thanks – Jul 04 '19 at 18:10

Docker update or build from new one

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