{ "image": "mcr.microsoft.com/devcontainers/universal:2", "hostRequirements": { "cpus": 4 }, "waitFor": "onCreateCommand", "updateContentCommand": "pip install -r requirements.txt", "postCreateCommand": "", "postAttachCommand": { "server": "flask --debug run" }, "portsAttributes": { "5000": { "label": "Application", "onAutoForward": "openPreview" } }, "customizations": { "codespaces": { "openFiles": [ "templates/index.html" ] }, "vscode": { "extensions": [ "ms-python.python" ] } }, "forwardPorts": [5000] }