add localforwarder docker and deployment yamls

howto/diagnose-with-tracing/localforwarder/Dockerfile

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+FROM mcr.microsoft.com/dotnet/core/runtime:2.1
+RUN mkdir /lf
+WORKDIR /lf
+RUN curl -LsO https://github.com/microsoft/ApplicationInsights-LocalForwarder/releases/download/v0.1-beta1/LF-ConsoleHost-linux-x64.tar.gz
+RUN tar xzf LF-ConsoleHost-linux-x64.tar.gz
+RUN rm -f LF-ConsoleHost-linux-x64.tar.gz
+EXPOSE 6789
+ENTRYPOINT ["/lf/Microsoft.LocalForwarder.ConsoleHost", "noninteractive"]

howto/diagnose-with-tracing/localforwarder/appinsight-tracing.yaml

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+---
+apiVersion: dapr.io/v1alpha1
+kind: Configuration
+metadata:
+  name: tracing
+spec:
+  tracing:
+    enabled: true
+    expandParams: true
+    includeBody: true
+---
+apiVersion: dapr.io/v1alpha1
+kind: Component
+metadata:
+  name: native
+spec:
+  type: exporters.native
+  metadata:
+  - name: enabled
+    value: "true"
+  - name: agentEndpoint
+    value: "dapr-localforwarder.monitoring.svc.cluster.local:6789"
+---

howto/diagnose-with-tracing/localforwarder/dapr-localforwarder.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: dapr-localforwarder
+  labels:
+    app: dapr-localforwarder
+spec:
+  selector:
+    app: dapr-localforwarder
+  ports:
+  - protocol: TCP
+    port: 6789
+    targetPort: 6789
+  type: ClusterIP
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dapr-localforwarder
+  labels:
+    app: dapr-localforwarder
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: dapr-localforwarder
+  template:
+    metadata:
+      labels:
+        app: dapr-localforwarder
+    spec:
+      containers:
+      - name: dapr-localforwarder
+        image: docker.io/daprio/dapr-localforwarder:0.1-beta1
+        ports:
+        - containerPort: 6789
+        imagePullPolicy: Always
+        env:
+          - name: APPINSIGHTS_INSTRUMENTATIONKEY
+            value: "<APPINSIGHT INSTRUMENTATIONKEY>"
+          - name: APPINSIGHTS_LIVEMETRICSSTREAMAUTHENTICATIONAPIKEY
+            value: "<APPINSIGHT API KEY>"