feat!(r2u): allow arm64 base image (#34)

Author: eitsupi

src/r2u/.devcontainer/devcontainer.json

@@ -2,9 +2,8 @@
 // README at: https://github.com/rocker-org/devcontainer-templates/tree/main/src/r2u
 {
 	"name": "R (r2u and bspm configured)",
-	"build": {
-		"dockerfile": "Dockerfile"
-	},
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/base:${templateOption:imageVariant}",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {

src/r2u/NOTES.md

@@ -4,9 +4,6 @@
 
 Please check <https://github.com/devcontainers/images/tree/main/src/base-ubuntu>.
 
-This template pulls the `linux/amd64` platform image because
-[`r2u`](https://github.com/eddelbuettel/r2u) only supports `linux/amd64` platform.
-
 ## Install R packages
 
 Since `bspm` is enabled, the binary R packages (from `r2u` repository) and system dependencies can be installed

src/r2u/devcontainer-template.json

@@ -1,8 +1,8 @@
 {
 	"id": "r2u",
-	"version": "0.2.1",
+	"version": "0.3.0",
 	"name": "R (r2u and bspm configured)",
-	"description": "Install R on Ubuntu and set r2u and bspm. (Only supports amd64)",
+	"description": "Install R on Ubuntu and set r2u and bspm.",
 	"documentationURL": "https://github.com/rocker-org/devcontainer-templates/tree/main/src/r2u",
 	"publisher": "Rocker Project",
 	"licenseURL": "https://github.com/rocker-org/devcontainer-templates/blob/main/LICENSE",