updated workflows

.github/workflows/04-environment-variables2.yaml

@@ -0,0 +1,39 @@
+# This is a basic workflow to help you get started with Actions
+
+name: 04-Variable Hierarchy
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+env:
+  Greeting: 'Hello'
+  Location: 'Workflow'
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    env:
+      Location: 'Job'
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+
+      # Runs a single command using the runners shell
+      - name: Run a one-line script
+        run: echo "$Greeting, $Name! from $Location"
+        env:
+          Name: 'World'
+          Location: 'Step'