Update VSCode devcontainer image

[pdcastro]

While working on another PR, I found that the VSCode command “Reopen in Container” (devcontainer) was failing with a "No such image” error in the devcontainer build logs. I gather that the “universal” image named in devcontainer.json is not available for the Apple Silicon (MacBook) CPU architecture:

$ docker pull mcr.microsoft.com/devcontainers/universal:2
2: Pulling from devcontainers/universal
no matching manifest for linux/arm64/v8 in the manifest list entries

$ docker pull mcr.microsoft.com/devcontainers/universal:latest
latest: Pulling from devcontainers/universal
no matching manifest for linux/arm64/v8 in the manifest list entries

The image description currently includes this note:

ARM64 support
Due to an issue with Debian 10 / Buster and Ubuntu 20.04 / Focal that results in segmentation faults in libssl in a variety of scenarios, we only build arm64 architecture images that use one of the following operating systems:

• Debian 11 / Bullseye
• Ubuntu 18.04 / Bionic

But the universal image does not seem to be available in those variants. I found that the Python image works fine though:

$ docker pull mcr.microsoft.com/devcontainers/python:3
3: Pulling from devcontainers/python
Digest: sha256:a2c4de938fc8c5eb846711e807bfe50a0d809626b0631244441b8d6368590d43
Status: Downloaded newer image for mcr.microsoft.com/devcontainers/python:3
mcr.microsoft.com/devcontainers/python:3

Also, I understand that the universal image is a ”large container image [that] includes a number of runtime versions for popular languages like Python, Node, PHP, Java, Go, C++, Ruby, and .NET Core/C#” (ref), whereas the Python image only includes support for Python. But I also understand that only Python is required for Home Assistant development.

[pdcastro]

Besides what’s argued in the PR description, for what it’s worth, the Home Assistant core repo also uses the devcontainer python image rather than the universal image:

Dockerfile.dev
FROM mcr.microsoft.com/vscode/devcontainers/python:0-3.11

By the way, I gather that the following two images are the same:

• mcr.microsoft.com/devcontainers/python
• mcr.microsoft.com/vscode/devcontainers/python

As they have the same hash:

$ docker pull mcr.microsoft.com/devcontainers/python:3
3: Pulling from devcontainers/python
Digest: sha256:a2c4de938fc8c5eb846711e807bfe50a0d809626b0631244441b8d6368590d43

$ docker pull mcr.microsoft.com/vscode/devcontainers/python:3
3: Pulling from vscode/devcontainers/python
Digest: sha256:a2c4de938fc8c5eb846711e807bfe50a0d809626b0631244441b8d6368590d43