[POA-1584] Update insights image URL to new public ECR repo (#26)

In this PR, we have updated the image URL from the current private ECR
URL to the new public ECR URL.

Author: mudit-postman

apidump/net.go

@@ -72,7 +72,7 @@ func showPermissionErrors(sampleError error) error {
 			return NewApidumpErrorf(
 				api_schema.ApidumpError_PCAPInterfaceNotImplemented,
 				"Unable to read network interfaces. If your host architecture is not %s, try using "+
-					"`docker pull --platform $YOUR_ARCHITECTURE docker.postman.com/postman-insights-agent:latest` to pull a Postman Insights Agent "+
+					"`docker pull --platform $YOUR_ARCHITECTURE public.ecr.aws/postman/postman-insights-agent:latest` to pull a Postman Insights Agent "+
 					"built for your architecture.",
 				arch,
 			)

cmd/internal/ecs/add.go

@@ -107,7 +107,8 @@ const (
 	akitaDockerImage = "akitasoftware/cli"
 
 	// Postman Insights Agent image location
-	postmanECRImage = "docker.postman.com/postman-insights-agent"
+	postmanOldECRImage = "docker.postman.com/postman-insights-agent"
+	postmanECRImage    = "public.ecr.aws/postman/postman-insights-agent"
 )
 
 // Run the "add to ECS" workflow until we complete or get an error.
@@ -563,11 +564,11 @@ func getTaskState(wf *AddWorkflow) (nextState optionals.Optional[AddWorkflowStat
 			return awf_next(getTaskState)
 		}
 
-		// Also detect the Akita CLI image, to avoid having two copies of the agent
-		// running.
-		if matchesImage(image, akitaECRImage) || matchesImage(image, akitaDockerImage) {
-			printer.Errorf("The selected task definition already has the image %q, indicating that the Akita CLI is currently installed.\n", image)
-			printer.Infof("The Akita CLI is no longer supported. Please uninstall it and try again.\n")
+		// Also detect old images, such as the Akita CLI or unsupported versions of Postman Insights Agent,
+		// to avoid having two copies of the agent running simultaneously.
+		if matchesImage(image, akitaECRImage) || matchesImage(image, akitaDockerImage) || matchesImage(image, postmanOldECRImage) {
+			printer.Errorf("The selected task definition already has the image %q, indicating that the agent is currently installed.\n", image)
+			printer.Infof("This version of agent is no longer supported. Please uninstall it and try again.\n")
 			printer.Infof("You can also select a different task definition, or hit Ctrl+C to exit.\n")
 			return awf_next(getTaskState)
 		}

cmd/internal/kube/util.go

@@ -14,7 +14,7 @@ import (
 )
 
 // The image to use for the Postman Insights Agent sidecar
-const akitaImage = "docker.postman.com/postman-insights-agent:latest"
+const akitaImage = "public.ecr.aws/postman/postman-insights-agent:latest"
 
 // Writes the generated secret to the given file path
 func writeFile(data []byte, filePath string) error {