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Add information about --preamble in assembly packaging documentation #2713

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Feb 7, 2024
Merged

Add information about --preamble in assembly packaging documentation #2713

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be77647
Update package.md
spacebanana420 Feb 4, 2024
235cfdd
Update website/docs/commands/package.md
Gedochao Feb 7, 2024
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20 changes: 19 additions & 1 deletion website/docs/commands/package.md
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Expand Up @@ -127,6 +127,25 @@ Hello
Hello
-->

By default assemblies are self-executable, just like the default package format. With the `--preamble=false` option, you can build an assembly that just contains the JAR and does not contain any built-in Bash code, and therefore can be launched directly with Java and is more portable:

<ChainedSnippets>

```bash
scala-cli --power package Hello.scala -o hello.jar --assembly --preamble=false
java -jar hello.jar
```

```text
Hello
```

</ChainedSnippets>

<!-- Expected:
Hello
-->

## Docker container

Scala CLI can create an executable application and package it into a docker image.
Expand Down Expand Up @@ -506,4 +525,3 @@ The using directive allows you to define the image repository.
```scala compile power
//> using packaging.dockerImageRepository scala-cli
```

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