Is it possible to start container in memory? If yes how I could do it? I want to start container with DB inside (Postgresql) for testing purpose.
P.S. I use Ubuntu 16.04
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what do you mean by in-memory? Of course you can have a Postgres DB container but dont understand your in-memory statement. – Yogesh_D Sep 09 '16 at 10:41
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My pc has a lot of RAM, I want to start container in RAM – mystdeim Sep 09 '16 at 10:43
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Docker containers are isolated processes. and like a regular program they will have a in memory component, but it will be interacting with the disk as well. Where will the Postgres DB files go? they need to be on the Disk. – Yogesh_D Sep 09 '16 at 10:47
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Everything inside a docker container, I need this for perfomance – mystdeim Sep 09 '16 at 10:50
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Try looking at H2 if you need a inmemory DB. – Yogesh_D Sep 09 '16 at 11:00
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No!!!!!! I need Postgresql if I can use h2 I did it! – mystdeim Sep 09 '16 at 11:02
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You need to read about Docker, Postgres and processes on a OS in general. And then probably you will arrive at your answer. Also do update the Question with what have you tried till now so that maybe someone who has a has an answer to this can take a look at it. – Yogesh_D Sep 09 '16 at 12:10
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3Then create a ramdisk, map the postgres db volume to there. – Lexandro Sep 09 '16 at 13:47