Couldn't start client Lua from VSCode devcontainer

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### How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

### Which OS are you using?

Linux

### What is the issue affecting?

Other

### Expected Behaviour

Lua language server starts correctly.

### Actual Behaviour

I see this message when opening a Lua file, and language linting is not available:


### Reproduction steps

1. Add a Dockerfile in .devcontainer folder, I'm using this:
```
FROM python:3.8-alpine as build

LABEL description="Dev container - test-sumneko"

ARG USERNAME=vscode
ARG USER_UID=1000
ARG USER_GID=$USER_UID

RUN addgroup -g $USER_GID $USERNAME && adduser -D -u $USER_UID -G $USERNAME $USERNAME
USER $USERNAME

CMD ["sh"]
```

3. Specify sumneko extension in devcontainer.json:
```
{
"customizations": {
"vscode": {
"extensions": [
"sumneko.lua"
]
}
}
}
```
4. Do `Rebuild and Reopen in Container` from command palette
5. Open any `.lua` file in the workspace

### Additional Notes

`lua-language-server` seems there but it gives a strange `not found` error when launched:

```shell
/workspaces/test-sumneko $ /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server
/bin/ash: /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: not found
/workspaces/test-sumneko $ ls -la /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server
-rwxrwxrwx 1 vscode vscode 2068664 Nov 21 11:24 /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server
```

As current workaround I'm adding this in Dockerfile:

```
RUN apk add --update --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ lua-language-server
```

and this in `devcontainer.json`:

```
"postCreateCommand": "sleep 10 && rm -vf /home/vscode/.vscode-server/extensions/sumneko.lua-*/server/bin/Linux/lua-language-server && ln -s /usr/bin/lua-language-server /home/vscode/.vscode-server/extensions/sumneko.lua-*/server/bin/Linux/",
```

Version used: `sumneko.lua-2.5.3`

### UPDATE

Looking around, seems this is the root cause:

> this can happen if binary is linked with a libc that doesn't exist on your device.

In fact:
```
/workspaces/test-sumneko $ ldd
musl libc (x86_64)
Version 1.2.4
Dynamic Program Loader
Usage: /lib/ld-musl-x86_64.so.1 [options] [--] pathname
/workspaces/test-sumneko $ ldd /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server
/lib64/ld-linux-x86-64.so.2 (0x7fd02de67000)
libm.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fd02de67000)
libdl.so.2 => /lib64/ld-linux-x86-64.so.2 (0x7fd02de67000)
libpthread.so.0 => /lib64/ld-linux-x86-64.so.2 (0x7fd02de67000)
libc.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fd02de67000)
Error loading shared library ld-linux-x86-64.so.2: No such file or directory (needed by /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server)
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __longjmp_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __fprintf_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __printf_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __strftime_l: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __memcpy_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __sprintf_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __snprintf_chk: symbol not found
Error relocating /home/vscode/.vscode-server/extensions/sumneko.lua-2.5.3/server/bin/Linux/lua-language-server: __fdelt_chk: symbol not found
```

### Log File

No log file available.

Reproduisez l’échec avec le Dockerfile Alpine et devcontainer.json fournis, puis examinez le binaire de l’extension situé dans server/bin/Linux/lua-language-server ainsi que ses dépendances libc. Comparez l’artefact Linux avec l’environnement musl ; le travail est considéré comme terminé lorsque le Lua language server démarre dans ce devcontainer sans l’installation de paquets ni le contournement par lien symbolique.

Rédigé par le modèle d'indexation à partir du texte de l'issue.