Install [vscode](https://code.visualstudio.com/) and the [Remote Development](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.vscode-remote-extensionpack) extension.
Launch vscode wherever you cloned this repo:
```
code .
```
In the vscode command palette (Ctrl+Shift+P) build and launch the container:
```
>Remote-Containers: Rebuild and Reopen in Container
```
Once vscode has reopened in the container, open a terminal (View > Terminal) and start browser-sync and the on-demand asset rebuilding: