uptime-kuma/.devcontainer/devcontainer.json

{
    "image": "mcr.microsoft.com/devcontainers/javascript-node:dev-18-bookworm",
    "features": {
        "ghcr.io/devcontainers/features/github-cli:1": {}
    },
    "updateContentCommand": "npm ci",
    "postCreateCommand": "",
    "postAttachCommand": {
        "frontend-dev": "npm run start-frontend-devcontainer",
        "server-dev": "npm run start-server-dev",
        "open-port": "gh codespace ports visibility 3001:public -c $CODESPACE_NAME"
    },
    "customizations": {
        "vscode": {
            "extensions": [
                "streetsidesoftware.code-spell-checker",
                "dbaeumer.vscode-eslint"
            ]
        }
    },
    "forwardPorts": [3000, 3001]
}