This is my vscode devcontainer customization in file .devcontainer/devcontainer.json

"customizations": {
        "vscode": {
            "settings": {
                "terminal.integrated.profiles.linux": {
                    "zsh": {
                        "path": "/bin/zsh"
                    }
                },
                "terminal.integrated.defaultProfile.linux": "zsh",
                "editor.formatOnSave": true,
                "workbench.colorTheme": "Visual Studio Light",
                "editor.tabCompletion": "on",
                "editor.snippetSuggestions": "top"
            },
            "extensions": [
                "ms-python.python",
                "ms-python.debugpy",
                "ms-azuretools.vscode-docker",
                "eamodio.gitlens",
                "ritwickdey.liveserver"
            ]
        }
    }