devcontainer.json

{
  /* This DevContainer configuration demonstrates
      1. Building image using Dev Container Features
      2. Installation of MATLAB Integration for Jupyter & JupyterLab  
      3. Configuration of VSCode environment for following modes of access:
          a. MATLAB in a Browser
          b. Directly from VSCode, using the MATLAB extension for VSCode
          c. Using Jupyter Notebooks in VSCode
          d. Start Codespace in Jupyter
  See: https://containers.dev/implementors/features/
  */
  "name": "Built using Dev Container Features",
  "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
  "features": {
    "ghcr.io/mathworks/devcontainer-features/matlab": {
      // For more options, See: https://github.com/mathworks/devcontainer-features/tree/main/src/matlab
      "release": "r2025b",
      "products": "MATLAB Symbolic_Math_Toolbox Simulink",
      "installMatlabProxy": "true",
      "startInDesktop": "true",
      "installJupyterMatlabProxy": true,
      "installJupyterLab": true,
      "installMatlabEngineForPython": true
    },
    "ghcr.io/devcontainers/features/python": {
      "version": "os-provided"
      // Cannot use the Python feature to install JupyterLab because of:
      // https://github.com/devcontainers/features/issues/1403
      // "installJupyterlab": true,
      // "configureJupyterlabAllowOrigin": "*"
    }
  },
  "onCreateCommand": {
      "install-dependencies": "sudo apt-get update && sudo apt-get install --no-install-recommends -y git fluxbox"
  },
  "portsAttributes": {
    "8888": {
      "label": "MATLAB",
      "onAutoForward": "openPreview"
    }
  },
  "containerEnv": {
    "MWI_APP_PORT": "8888",
    "MWI_ENABLE_TOKEN_AUTH": "False",
    // Configure MATLAB's startup folder
    "MATLAB_USERWORKDIR": "${containerWorkspaceFolder}",
    "MATLAB_USE_USERWORK": "1",
    // Enable embedding the desktop into VSCode's Simple Browser
    "MWI_CUSTOM_HTTP_HEADERS": "{\"Content-Security-Policy\": \"frame-ancestors *\"}",
    "MW_DDUX_FORCE_ENABLE": "true",
    "MW_CONTEXT_TAGS": "MATLAB:CODESPACES:V1"
  },
  // Configure VSCode Extensions
  "customizations": {
    "vscode": {
      "extensions": [
        "MathWorks.language-matlab",
        "ms-toolsai.jupyter",
        "ms-python.python"
      ],
      "settings": {
        "MATLAB.signIn": true,
        // Marks MATLAB Kernel as a trusted source
        "jupyter.kernels.trusted": [
          "/usr/share/jupyter/kernels/jupyter_matlab_kernel/kernel.json"
        ]
      }
    }
  },
  "hostRequirements": {
    "cpus": 4
  },
  // Need to specify a user to use the startInDesktop feature.
  "containerUser": "vscode"
}