Variables in Docker Compose

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Комментарии
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Thank you.
On windows you can SET an environment variable which matches the name in the compose file. Docker will complain if you attempt to set it as a prefix to the docker-compose command.

cheekybirdierichard
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Thank you for tutorials. What is the terminal are you using? 👍

eibrahimov
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@0:17, "ports" variable is defined. There is a dash "-" in front of 80:80. However, I have seen docker compose files that declare variables without the dash in front. Same goes for "volumes" variable...
Is dash necessary in compose? Is there a difference in requirement for the dash between compose Version 2.x and 3.x?
Extension to this "dash" question.
In your "environment" variable section, there is no dash in front of MYSQL_ROOT_PASSWORD, ...

So, does it mean that "dash" should not be use in "environment"?
Also, if there are multiple entries for a variable, say "volumes", should we start each line (e.g. in your - cachedata:/data) with a dash up front?

sorcererstone
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Good tutorial, but I have a question, Why in my Linux a .env created file is not saved in the folder? It's as if it dissapeared or is hidden, I couldn't find that anymore. Can you tell me why?
Thanks for all, liked and subscribed

grantolosi