Configure devcontainer for terminal-focused experience with welcome message in Codespaces

[Copilot]

Configures VS Code to prioritize terminal usage when opening minikube in GitHub Codespaces or browser-based dev containers, and adds a helpful welcome message for new users.

Changes:

VS Code Configuration (devcontainer.json):

• Suppress startup welcome screen (workbench.startupEditor: "none")
• Set bash as default terminal profile
• Prevent automatic file opening in Codespaces (openFiles: [])

Terminal Enhancement (.bashrc.sh):

• Added welcome message that displays on first terminal entry showing:
  • Clean welcome banner: "Welcome to minikube in GitHub Codespaces"
  • Quick start instructions: "minikube start"
  • List of useful aliases
• Added reset-view alias that provides instructions to reset VS Code layout
• Uses .devcontainer-welcome-shown flag file to show message only once per user

User Experience:

Users opening minikube in Codespaces will see:

• A clean terminal-focused interface ready for immediate CLI interaction
• A helpful welcome message with quick start guidance on first terminal entry
• Easy access to layout reset instructions via the reset-view command

Example terminal output on first entry:

╔══════════════════════════════════════════════════════════════════════╗
║  Welcome to minikube in GitHub Codespaces                           ║
╚══════════════════════════════════════════════════════════════════════╝

To start minikube simply type:

    minikube start

Useful aliases:
  m          - minikube
  k          - kubectl
  reset-view - Show how to reset VS Code layout

Original prompt

---

This section details on the original issue you should resolve

<issue_title>minikube in browser: make it terminal full screen</issue_title>
<issue_description>the config for codespaces is here, which opens a vscode editor in browswer (using cloud)

for end users it would be nice to have it terminal full screen, that would probably mean somewhere in .devcontainer/devcontainer.json we need to add a config for vscode to look like that
https://github.com/kubernetes/minikube/blob/master/.devcontainer/devcontainer.json

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes minikube in browser: make it terminal full screen #22372

---

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[medyagh]

@copilot can you also add an alias or a command that if user wants to to reset the IDE view?

and also on the First Enter to the terminal it should display a welcome message
"Welcome to minikube in browser offered by codespaces

to start minikube simply type

"minikube start"

"

[Copilot]

@copilot can you also add an alias or a command that if user wants to to reset the IDE view?

and also on the First Enter to the terminal it should display a welcome message
...

Done! Added both features in commit e11f58e:

1. reset-view alias - Provides instructions to reset VS Code layout using the command palette
2. Welcome message - Displays on first terminal entry with:
   • Welcome banner
   • Quick start instructions (minikube start)
   • List of useful aliases

Example output when opening a new terminal:

╔══════════════════════════════════════════════════════════════════════╗
║  Welcome to minikube in browser offered by Codespaces               ║
╚══════════════════════════════════════════════════════════════════════╝

To start minikube simply type:

    minikube start

Useful aliases:
  m          - minikube
  k          - kubectl
  reset-view - Show how to reset VS Code layout

$ reset-view
To reset VS Code layout:
  1. Press Ctrl+Shift+P (or Cmd+Shift+P on Mac)
  2. Type: View: Reset View Locations
  3. Press Enter

The welcome message only shows once per user (cached in ~/.minikube-welcome-shown).