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added docs to use env file #2054

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Mar 30, 2023
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added docs to use env file #2054

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dde2705
added docs to use env file
camalot Mar 30, 2023
eab1c3a
update docs with .env info
camalot Mar 30, 2023
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11 changes: 11 additions & 0 deletions README.md
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Expand Up @@ -631,6 +631,17 @@ To manage a CurseForge modpack automatically with upgrade support, pinned or lat
> ```shell
> docker run ... -e "CF_API_KEY=\$11\$22\$33aaaaaaaaaaaaaaaaaaaaaaaaaa"
> ```
> You can use a `.env` file, in the same directory as your `docker-compose.yaml`, and define your API Key there to remove the need to escape the `$` in your API Key. The `.env` file is [loaded automatically by docker compose](https://docs.docker.com/compose/environment-variables/set-environment-variables/#substitute-with-an-env-file).
>
> *.env*
> ```
> CF_API_KEY=$11$22$33aaaaaaaaaaaaaaaaaaaaaaaaaa
> ```
>
> To use with `docker run` you need to specify the `.env` file
> ```
> docker run --env-file=.env itzg/minecraft-server
> ```
>
> Be sure to use the appropriate [image tag for the Java version compatible with the modpack](#running-minecraft-server-on-different-java-version).
>
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