Update pip3 to python3 -m pip format in workflow Co-authored-by: Jury1981 <210622247+Jury1981@users.noreply.github.com>

.devcontainer/EXAMPLES.md

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+# Example: Using Azure Login Action in Dev Containers
+
+This example demonstrates how to use the Azure Login action in a GitHub Actions workflow
+with dev containers for testing.
+
+## Basic Workflow with Dev Container
+
+```yaml
+name: Test in Dev Container
+
+on: [push, pull_request]
+
+jobs:
+  test-in-devcontainer:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build and run dev container
+        uses: devcontainers/ci@v0.3
+        with:
+          runCmd: |
+            # The dev container has Azure CLI and PowerShell pre-installed
+            az version
+            pwsh -Command '$PSVersionTable'
+
+            # Run the build and test
+            npm run build
+            npm test
+
+  azure-login-test:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+
+    steps:
+      - name: Azure Login with OIDC
+        uses: azure/login@v2
+        with:
+          client-id: ${{ secrets.AZURE_CLIENT_ID }}
+          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
+          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+
+      - name: Run Azure CLI commands
+        run: |
+          az account show
+          az group list
+```
+
+## Dev Container Testing Workflow
+
+```yaml
+name: Dev Container Validation
+
+on:
+  push:
+    paths:
+      - '.devcontainer/**'
+      - 'src/**'
+  pull_request:
+
+jobs:
+  validate-devcontainer:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Test Dev Container
+        uses: devcontainers/ci@v0.3
+        with:
+          runCmd: |
+            # Verify all tools are available
+            node --version
+            npm --version
+            az version
+            pwsh --version
+            gh --version
+
+            # Run development workflow
+            .devcontainer/dev.sh check
+            .devcontainer/dev.sh dev
+```
+
+## Local Development
+
+For local development, use the dev container directly:
+
+1. Open repository in VS Code
+2. Install the "Dev Containers" extension
+3. Click "Reopen in Container"
+4. Run commands:
+   ```bash
+   # Quick development workflow
+   .devcontainer/dev.sh dev
+
+   # Or manually
+   npm install
+   npm run build
+   npm test
+   ```
+
+## Benefits
+
+- **Consistent Environment**: Same tools across all developers and CI
+- **Pre-configured Azure Tools**: Azure CLI and PowerShell ready to use
+- **GNU Utilities**: Full Unix toolchain for scripting
+- **Fast Setup**: No manual installation required

.devcontainer/README.md

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+# Azure Login Action Dev Container
+
+This development container provides a pre-configured environment for developing and testing the Azure Login GitHub Action.
+
+## What's Included
+
+- **Node.js 20** - JavaScript/TypeScript runtime
+- **Azure CLI** - Command-line tools for Azure
+- **PowerShell** - Cross-platform PowerShell for Azure PowerShell module
+- **GitHub CLI** - Command-line tools for GitHub
+- **GNU Core Utilities** - Standard Unix tools (bash, grep, sed, etc.)
+- **VS Code Extensions** - Azure and development tools
+
+## Quick Start
+
+### Using VS Code
+
+1. Install the [Dev Containers extension](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers)
+2. Open this repository in VS Code
+3. Click "Reopen in Container" when prompted (or use Command Palette: `Dev Containers: Reopen in Container`)
+4. Wait for the container to build and start
+
+### Using GitHub Codespaces
+
+1. Click the "Code" button on the GitHub repository
+2. Select "Codespaces" tab
+3. Click "Create codespace on main" (or your branch)
+
+## Features
+
+### Pre-installed Tools
+
+- Azure CLI configured and ready to use
+- PowerShell with support for Azure PowerShell modules
+- All npm dependencies installed automatically
+- GNU utilities for shell scripting and automation
+
+### Optimized for Development
+
+- **Persistent Azure credentials** (optional): You can mount your `~/.azure` folder by adding this to `.devcontainer/devcontainer.json`:
+  ```json
+  "mounts": [
+    "source=${localEnv:HOME}/.azure,target=/home/node/.azure,type=bind,consistency=cached"
+  ]
+  ```
+  Note: This requires the `HOME` environment variable on your host system (Linux/Mac). Windows users should use `${localEnv:USERPROFILE}/.azure` instead.
+- **Auto-install dependencies**: `npm install` runs automatically on container creation
+- **Consistent environment**: Everyone uses the same tool versions
+
+### Environment Variables
+
+- `AZURE_CORE_NO_COLOR=true` - Disables colored output for easier log parsing
+
+## Building and Testing
+
+### Using the Development Helper Script
+
+The dev container includes a helper script that streamlines common tasks:
+
+```bash
+# Run environment checks
+.devcontainer/dev.sh check
+
+# Quick development workflow (build + test)
+.devcontainer/dev.sh dev
+
+# Full setup (install dependencies + build)
+.devcontainer/dev.sh setup
+
+# Validate Azure configuration
+.devcontainer/dev.sh validate
+
+# View all available commands
+.devcontainer/dev.sh help
+```
+
+### Manual Commands
+
+#### Build the Action
+
+```bash
+npm run build
+```
+
+#### Run Tests
+
+```bash
+npm test
+```
+
+#### Test Azure CLI
+
+```bash
+az version
+az login  # If needed
+az account show
+```
+
+#### Test PowerShell
+
+```bash
+pwsh
+# In PowerShell:
+$PSVersionTable
+Get-Command Connect-AzAccount
+```
+
+## Streamlined Workflow
+
+This dev container streamlines the development process by:
+
+1. **Eliminating setup time** - No need to install Azure CLI, PowerShell, or Node.js manually
+2. **Ensuring consistency** - All developers use the same tool versions
+3. **Simplifying Azure testing** - Azure CLI and PowerShell are pre-configured
+4. **Supporting GNU tools** - Full suite of Unix utilities for scripting and automation
+
+## Customization
+
+To add more features, edit `.devcontainer/devcontainer.json` and add features from:
+- [Dev Container Features](https://containers.dev/features)
+- [Microsoft Features](https://github.com/devcontainers/features)
+
+## Troubleshooting
+
+### Azure credentials not persisting
+
+By default, Azure credentials are not persisted between container rebuilds. To persist credentials:
+
+1. Add a mount configuration to `.devcontainer/devcontainer.json`:
+   - **Linux/Mac**: `"source=${localEnv:HOME}/.azure,target=/home/node/.azure,type=bind,consistency=cached"`
+   - **Windows**: `"source=${localEnv:USERPROFILE}/.azure,target=/home/node/.azure,type=bind,consistency=cached"`
+2. Make sure the `.azure` folder exists on your host machine before starting the container
+3. Rebuild the container
+
+### Container build fails
+
+Try rebuilding without cache:
+- VS Code: Command Palette → `Dev Containers: Rebuild Container Without Cache`
+- CLI: `docker build --no-cache`
+
+### npm install fails
+
+The container automatically runs `npm install` on creation. If it fails:
+1. Check your internet connection
+2. Rebuild the container
+3. Manually run `npm install` in the container terminal