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2020-05-31 "a mistress you can keep enclosed in a separate condo and ask only when you feel like it" [長年日記]

I've been building Docker for PostgreSQL and finally realized how easy it is.

It can be summed up in one word: "I can get away with environmental pollution.

For example, a different version of the PostgreSQL server cannot be installed on a single PC.

Of course, I can do it. In most cases, troublesome configuration conflicts occur, causing problems for both servers.

If I keep both PostgreSQL servers in Docker and only start up the one I need when I need it, I won't have this problem.

Well, to be honest, Docker itself can run weirdly on host OSes (especially Windows), so I can't say that it's "great" with all my hands, as people say....

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Docker is, in short,

"a mistress you can keep enclosed in a separate condo and ask only when you feel like it"

I can sum it up in one word.

"What's more, the cost of the condo with the mistress is frighteningly cheap."

I don't know why so many people don't use this expression to talk about Docker.

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It may be because my character is questioned.

However, it's a metaphor that even a " noble person " like me can come up with.