Add usage sample to README.md

README.md

@@ -1,3 +1,42 @@
 # Get Application Insights Key Action
 
 GitHub Action to Azure Application Insights instrumentation key
+
+```yaml
+# File: .github/workflows/workflow.yml
+
+on: push
+
+env:
+  RESOURCE_GROUP_NAME: sample-rg
+  APPLICATION_INSIGHTS_NAME: sample-insights
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      # checkout the repo
+      - name: "Checkout Github Action"
+        uses: actions/checkout@master
+      - uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
+      - name: Get Application Insights Key
+        id: insights # step id for later reference
+        uses: waeltken/get-application-insights-key-action@v1
+        with:
+          resource-group-name: ${{ env.RESOURCE_GROUP_NAME }}
+          application-insights-name: ${{ env.APPLICATION_INSIGHTS_NAME }}
+
+      - name: Setup Node 10.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: "10.x"
+      - name: "npm install, build, and test"
+        env:
+          # reference the application insights key:
+          APPLICATION_INSIGHTS_KEY: ${{ steps.insights.outputs.key }}
+        run: |
+          npm install
+          npm run build --if-present
+          npm run test --if-present
+```