Revert mi test app docker to dotnet 7.0 (Azure#609)

samples/managed-identity/Dockerfile

@@ -1,11 +1,11 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-cbl-mariner2.0@sha256:11d43dfc1c0887670f1580e1ac03f100dc8418845e5530e66aa266915a260abb AS base
+FROM mcr.microsoft.com/dotnet/aspnet:7.0-cbl-mariner2.0@sha256:ea1751dfd2defec87508aa979088741935d1fd4c870bfd53e7645642fc9ead13 as base
 ARG TARGETARCH
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0-cbl-mariner2.0@sha256:e14034d5ba09b02204d56e809343586475433fd021938488088ccc5cae9d3cd2 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0-cbl-mariner2.0@sha256:9e054d0663d07e09127d114f753c1068d0bf681eab188352d06f111ce68f050f AS build
 ARG TARGETARCH
 WORKDIR /src
 COPY "mi-webapp.csproj" .

samples/managed-identity/deploy-arm.yaml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mi-webapp
+  namespace: mi-webapp
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mi-webapp
+  template:
+    metadata:
+      labels:
+        app: mi-webapp
+        # Label for pod identity
+        aadpodidbinding: mi-test
+    spec:
+      containers:
+        - image: mindarodev.azurecr.io/samples/mi-webapp:v3
+          imagePullPolicy: IfNotPresent
+          name: mi-webapp
+          env:
+          # the below environment variable values come from the below sub and rg:
+          # Sub: Mindaro Testing (c2e0f009-a61a-4578-8a6d-5715ee782648)
+          # RG: testing-scenario
+          # Storage account name: mitestsa
+          # Managed identity name: mi-test
+          - name: STORAGE_ACCOUNT_NAME
+            value: "mitestsa"
+          - name: STORAGE_CONTAINER_NAME
+            value: "mitestsa-container"
+          - name: MI_CLIENT_ID
+            value: "a2cc59eb-fa11-485c-9bee-c84aa4cb97d0"
+          ports:
+          - containerPort: 80
+
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: mi-webapp-service
+  namespace: mi-webapp
+spec:
+  selector:
+    app: mi-webapp
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+  type: LoadBalancer
+
+---
+# AzureIdentity resource for pod identity 
+apiVersion: "aadpodidentity.k8s.io/v1"
+kind: AzureIdentity
+metadata:
+  name: mi-test
+spec:
+  type: 0
+  resourceID: "/subscriptions/c2e0f009-a61a-4578-8a6d-5715ee782648/resourcegroups/MC_testing-scenario_testing-scenarios-arm_westeurope/providers/Microsoft.ManagedIdentity/userAssignedIdentities/mi-test"
+  clientID: "a2cc59eb-fa11-485c-9bee-c84aa4cb97d0"
+---
+# AzureIdentityBinding resource for pod identity 
+apiVersion: "aadpodidentity.k8s.io/v1"
+kind: AzureIdentityBinding
+metadata:
+  name: mi-test-binding
+spec:
+  azureIdentity: mi-test
+  selector: mi-test

samples/managed-identity/deploy.yaml

@@ -16,7 +16,7 @@ spec:
         aadpodidbinding: mi-test
     spec:
       containers:
-        - image: mindarodev.azurecr.io/samples/mi-webapp:v2
+        - image: mindarodev.azurecr.io/samples/mi-webapp:v3
           imagePullPolicy: IfNotPresent
           name: mi-webapp
           env: