{ "name": "Python 3", "image": "mcr.microsoft.com/devcontainers/python:1-3.12", "customizations": { // Configure properties specific to VS Code. "vscode": { "settings": {}, "extensions": [ "streetsidesoftware.code-spell-checker" ] } }, "portsAttributes": { "9000": { "label": "Hello Remote World", "onAutoForward": "notify" } }, "postAttachCommand": "python app.py" }