Use Python 3.0 base image

Author: pamelafox

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
-ARG VARIANT=bullseye
-FROM --platform=amd64 mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
+ARG IMAGE=bullseye
+FROM --platform=amd64 mcr.microsoft.com/devcontainers/${IMAGE}
 RUN export DEBIAN_FRONTEND=noninteractive \
      && apt-get update && apt-get install -y xdg-utils \
      && apt-get clean -y && rm -rf /var/lib/apt/lists/*

.devcontainer/devcontainer.json

@@ -3,13 +3,10 @@
     "build": {
         "dockerfile": "Dockerfile",
         "args": {
-            "VARIANT": "bullseye"
+            "IMAGE": "python:3.10"
         }
     },
     "features": {
-        "ghcr.io/devcontainers/features/python:1": {
-            "version": "os-provided"
-        },
         "ghcr.io/devcontainers/features/node:1": {
             "version": "16",
             "nodeGypDependencies": false