DistributedApplicationBuilder Class

Definition

Namespace:: Aspire.Hosting

Assembly:: Aspire.Hosting.dll

Package:: Aspire.Hosting v8.2.0

Package:: Aspire.Hosting v9.5.0

Source:: DistributedApplicationBuilder.cs

Source:: DistributedApplicationBuilder.cs

Source:: DistributedApplicationBuilder.cs

Source:: DistributedApplicationBuilder.cs

Source:: DistributedApplicationBuilder.cs

Source:: DistributedApplicationBuilder.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

A builder for creating instances of DistributedApplication.

public class DistributedApplicationBuilder : Aspire.Hosting.IDistributedApplicationBuilder

type DistributedApplicationBuilder = class
    interface IDistributedApplicationBuilder

Public Class DistributedApplicationBuilder
Implements IDistributedApplicationBuilder

Inheritance: Object
DistributedApplicationBuilder

Implements: IDistributedApplicationBuilder

Remarks

The DistributedApplicationBuilder is the primary implementation of IDistributedApplicationBuilder within .NET Aspire. Typically a developer would interact with instances of this class via the IDistributedApplicationBuilder interface which was created using one of the CreateBuilder(String[]) overloads.

For more information on how to configure the DistributedApplication using the the builder pattern see IDistributedApplicationBuilder.

Constructors

DistributedApplicationBuilder(DistributedApplicationOptions)	Initializes a new instance of the DistributedApplicationBuilder class with the specified options.
DistributedApplicationBuilder(String[])	Initializes a new instance of the DistributedApplicationBuilder class with the specified options.

Properties

AppHostAssembly	Assembly of the app host project.
AppHostDirectory	Directory of the project where the app host is located. Defaults to the content root if there's no project.
AppHostPath
Configuration
Environment
Eventing	Eventing infrastructure for AppHost lifecycle.
ExecutionContext	Execution context for this invocation of the AppHost.
Resources	Gets the collection of resources for the distributed application.
Services

Methods

AddResource<T>(T)	Adds a resource of type `T` to the distributed application.
Build()	Builds and returns a new DistributedApplication instance. This can only be called once.
CreateResourceBuilder<T>(T)	Creates a new resource builder based on an existing resource.

Extension Methods

AddAzureEnvironment(IDistributedApplicationBuilder)	Adds an Azure environment resource to the application model.
AddAzureUserAssignedIdentity(IDistributedApplicationBuilder, String)	Adds an Azure user‑assigned identity resource to the application model.
AddAzureKustoCluster(IDistributedApplicationBuilder, String)	Adds an Azure Data Explorer (Kusto) cluster resource to the application model.
AddAzureAIFoundry(IDistributedApplicationBuilder, String)	Adds an Azure OpenAI resource to the application model.
AddAzureAppConfiguration(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureAppConfigurationResource>,ResourceModuleConstruct, AppConfigurationStore>)	Adds an Azure App Configuration resource to the application model.
AddAzureAppConfiguration(IDistributedApplicationBuilder, String)	Adds an Azure App Configuration resource to the application model.
AddAzureApplicationInsights(IDistributedApplicationBuilder, String, IResourceBuilder<AzureLogAnalyticsWorkspaceResource>, Action<IResourceBuilder<AzureApplicationInsightsResource>, ResourceModuleConstruct,ApplicationInsightsComponent>)	Adds an Azure Application Insights resource to the application model.
AddAzureApplicationInsights(IDistributedApplicationBuilder, String, IResourceBuilder<AzureLogAnalyticsWorkspaceResource>)	Adds an Azure Application Insights resource to the application model.
AddAzureApplicationInsights(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureApplicationInsightsResource>,ResourceModuleConstruct, ApplicationInsightsComponent>)	Adds an Azure Application Insights resource to the application model.
AddAzureApplicationInsights(IDistributedApplicationBuilder, String)	Adds an Azure Application Insights resource to the application model.
AddAzureAppServiceEnvironment(IDistributedApplicationBuilder, String)	Adds a azure app service environment resource to the distributed application builder.
AddBicepTemplate(IDistributedApplicationBuilder, String, String)	Adds an Azure Bicep resource to the application model.
AddBicepTemplateString(IDistributedApplicationBuilder, String, String)	Adds an Azure Bicep resource to the application model.
AddAzureConstruct(IDistributedApplicationBuilder, String, Action<ResourceModuleConstruct>)	Adds an Azure construct resource to the application model.
AddAzureContainerAppEnvironment(IDistributedApplicationBuilder, String)	Adds a container app environment resource to the distributed application builder.
AddAzureContainerAppsInfrastructure(IDistributedApplicationBuilder)	Obsolete. Adds the necessary infrastructure for Azure Container Apps to the distributed application builder.
AddAzureContainerRegistry(IDistributedApplicationBuilder, String)	Adds an Azure Container Registry resource to the application model.
AddAzureCosmosDB(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureCosmosDBResource>, ResourceModuleConstruct,CosmosDBAccount,IEnumerable<CosmosDBSqlDatabase>>)	Adds an Azure Cosmos DB connection to the application model.
AddAzureCosmosDB(IDistributedApplicationBuilder, String)	Adds an Azure Cosmos DB connection to the application model.
AddAzureEventHubs(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureEventHubsResource>, ResourceModuleConstruct,EventHubsNamespace>)	Adds an Azure Event Hubs Namespace resource to the application model. This resource can be used to create Event Hub resources.
AddAzureEventHubs(IDistributedApplicationBuilder, String)	Adds an Azure Event Hubs Namespace resource to the application model. This resource can be used to create Event Hub resources.
AddAzureFunctionsProject<TProject>(IDistributedApplicationBuilder, String)	Adds an Azure Functions project to the distributed application.
AddAzureKeyVault(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureKeyVaultResource>,ResourceModuleConstruct,KeyVault>)	Adds an Azure Key Vault resource to the application model.
AddAzureKeyVault(IDistributedApplicationBuilder, String)	Adds an Azure Key Vault resource to the application model.
AddAzureLogAnalyticsWorkspace(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureLogAnalyticsWorkspaceResource>, ResourceModuleConstruct,OperationalInsightsWorkspace>)	Adds an Azure Log Analytics Workspace resource to the application model.
AddAzureLogAnalyticsWorkspace(IDistributedApplicationBuilder, String)	Adds an Azure Log Analytics Workspace resource to the application model.
AddAzureOpenAI(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureOpenAIResource>, ResourceModuleConstruct,CognitiveServicesAccount,IEnumerable<CognitiveServicesAccountDeployment>>)	Adds an Azure OpenAI resource to the application model.
AddAzureOpenAI(IDistributedApplicationBuilder, String)	Adds an Azure OpenAI resource to the application model.
AddAzurePostgresFlexibleServer(IDistributedApplicationBuilder, String)	Adds an Azure PostgreSQL Flexible Server resource to the application model.
AddAzureProvisioning(IDistributedApplicationBuilder)	Adds support for generating azure resources dynamically during application startup. The application must configure the appropriate subscription, location.
AddAzureInfrastructure(IDistributedApplicationBuilder, String, Action<AzureResourceInfrastructure>)	Adds an Azure provisioning resource to the application model.
AddAzureRedisEnterprise(IDistributedApplicationBuilder, String)	Adds an Azure Managed Redis resource to the application model.
AddAzureRedis(IDistributedApplicationBuilder, String)	Adds an Azure Cache for Redis resource to the application model.
AddAzureSearch(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureSearchResource>,ResourceModuleConstruct,SearchService>)	Adds an Azure AI Search service resource to the application model.
AddAzureSearch(IDistributedApplicationBuilder, String)	Adds an Azure AI Search service resource to the application model.
AddAzureServiceBus(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureServiceBusResource>, ResourceModuleConstruct,ServiceBusNamespace>)	Adds an Azure Service Bus Namespace resource to the application model. This resource can be used to create queue, topic, and subscription resources.
AddAzureServiceBus(IDistributedApplicationBuilder, String)	Adds an Azure Service Bus Namespace resource to the application model. This resource can be used to create queue, topic, and subscription resources.
AddAzureSignalR(IDistributedApplicationBuilder, String, AzureSignalRServiceMode)	Adds an Azure SignalR resource to the application model.
AddAzureSignalR(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureSignalRResource>,ResourceModuleConstruct,SignalRService>)	Adds an Azure SignalR resource to the application model.
AddAzureSignalR(IDistributedApplicationBuilder, String)	Adds an Azure SignalR resource to the application model.
AddAzureSqlServer(IDistributedApplicationBuilder, String)	Adds an Azure SQL Database (server) resource to the application model.
AddAzureStorage(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureStorageResource>,ResourceModuleConstruct,StorageAccount>)	Adds an Azure Storage resource to the application model.This resource can be used to create Azure blob, table, and queue resources.
AddAzureStorage(IDistributedApplicationBuilder, String)	Adds an Azure Storage resource to the application model. This resource can be used to create Azure blob, table, and queue resources.
AddAzureWebPubSub(IDistributedApplicationBuilder, String, Action<IResourceBuilder<AzureWebPubSubResource>,ResourceModuleConstruct,WebPubSubService>)	Adds an Azure Web PubSub resource to the application model.
AddAzureWebPubSub(IDistributedApplicationBuilder, String)	Adds an Azure Web PubSub resource to the application model. Change sku: WithParameter("sku", "Standard_S1") Change capacity: WithParameter("capacity", 2)
AddAWSCloudFormationStack(IDistributedApplicationBuilder, String)	Add a CloudFormation stack for provisioning application resources.
AddAWSCloudFormationTemplate(IDistributedApplicationBuilder, String, String)	Add a CloudFormation stack for provisioning application resources.
AddConnectionString(IDistributedApplicationBuilder, String, ReferenceExpression)	Adds a connection string resource to the distributed application with the specified expression.
AddConnectionString(IDistributedApplicationBuilder, String, Action<ReferenceExpressionBuilder>)	Adds a connection string resource to the distributed application with the specified expression.
AddContainer(IDistributedApplicationBuilder, String, String, String)	Adds a container resource to the application.
AddContainer(IDistributedApplicationBuilder, String, String)	Adds a container resource to the application. Uses the "latest" tag.
AddDockerfile(IDistributedApplicationBuilder, String, String, String, String)	Adds a Dockerfile to the application model that can be treated like a container resource.
AddDevTunnel(IDistributedApplicationBuilder, String, String, DevTunnelOptions)	Adds a dev tunnel resource to the application model.
CreateResourceBuilder<T>(IDistributedApplicationBuilder, String)	Creates a new resource builder based on the name of an existing resource.
AddDockerComposeEnvironment(IDistributedApplicationBuilder, String)	Adds a Docker Compose environment to the application model.
AddElasticsearch(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds an Elasticsearch container resource to the application model.
AddExecutable(IDistributedApplicationBuilder, String, String, String, Object[])	Adds an executable resource to the application model.
AddExecutable(IDistributedApplicationBuilder, String, String, String, String[])	Adds an executable resource to the application model.
AddExternalService(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>)	Adds an external service resource to the distributed application with the URL coming from the specified parameter.
AddExternalService(IDistributedApplicationBuilder, String, String)	Adds an external service resource to the distributed application with the specified URL.
AddExternalService(IDistributedApplicationBuilder, String, Uri)	Adds an external service resource to the distributed application with the specified URI.
AddGarnet(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>)	Adds a Garnet container to the application model.
AddGarnet(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a Garnet container to the application model.
AddGitHubModel(IDistributedApplicationBuilder, String, GitHubModel, IResourceBuilder<ParameterResource>)	Adds a GitHub Model resource to the application model using a GitHubModel.
AddGitHubModel(IDistributedApplicationBuilder, String, String, IResourceBuilder<ParameterResource>)	Adds a GitHub Model resource to the application model.
AddDapr(IDistributedApplicationBuilder, Action<DaprOptions>)	Adds Dapr support to Aspire, including the ability to add Dapr sidecar to application resource.
AddDaprComponent(IDistributedApplicationBuilder, String, String, DaprComponentOptions)	Adds a Dapr component to the application model.
AddDaprPubSub(IDistributedApplicationBuilder, String, DaprComponentOptions)	Adds a "generic" Dapr pub-sub component to the application model. Aspire will configure an appropriate type when running or deploying.
AddDaprStateStore(IDistributedApplicationBuilder, String, DaprComponentOptions)	Adds a Dapr state store component to the application model. Aspire will configure an appropriate type when running or deploying.
AddKafka(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a Kafka resource to the application. A container is used for local development.
AddKeycloak(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>)	Adds a Keycloak container to the application model.
AddKubernetesEnvironment(IDistributedApplicationBuilder, String)	Adds a Kubernetes environment to the application model.
AddMilvus(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a Milvus container resource to the application model.
AddMongoDB(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>)	Adds a MongoDB resource to the application model. A container is used for local development.
AddMongoDB(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a MongoDB resource to the application model. A container is used for local development.
AddMySql(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a MySQL server resource to the application model. For local development a container is used.
AddNats(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>)	Adds a NATS server resource to the application model. A container is used for local development.
AddNats(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a NATS server resource to the application model. A container is used for local development. This configures a default user name and password for the NATS server.
AddNodeApp(IDistributedApplicationBuilder, String, String, String, String[])	Adds a node application to the application model. Node should available on the PATH.
AddNpmApp(IDistributedApplicationBuilder, String, String, String, String[])	Adds a node application to the application model. Executes the npm command with the specified script name.
AddOpenAI(IDistributedApplicationBuilder, String)	Adds an OpenAI parent resource that can host multiple models.
AddOracle(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a Oracle Server resource to the application model. A container is used for local development.
AddOrleans(IDistributedApplicationBuilder, String)	Adds an Orleans service to the application.
AddConnectionString(IDistributedApplicationBuilder, String, String)	Adds a parameter to the distributed application but wrapped in a resource with a connection string for use with WithReference<TDestination>(IResourceBuilder<TDestination>, IResourceBuilder<IResourceWithConnectionString>, String, Boolean)
AddParameter(IDistributedApplicationBuilder, String, ParameterDefault, Boolean, Boolean)	Adds a parameter resource to the application, with a value coming from a ParameterDefault if not supplied from configuration.
AddParameter(IDistributedApplicationBuilder, String, Boolean)	Adds a parameter resource to the application.
AddParameter(IDistributedApplicationBuilder, String, Func<String>, Boolean, Boolean)	Adds a parameter resource to the application with a value coming from a callback function.
AddParameter(IDistributedApplicationBuilder, String, String, Boolean, Boolean)	Adds a parameter resource to the application with a given value.
AddParameterFromConfiguration(IDistributedApplicationBuilder, String, String, Boolean)	Adds a parameter resource to the application, with a value coming from configuration.
AddPostgres(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a PostgreSQL resource to the application model. A container is used for local development.
AddProject(IDistributedApplicationBuilder, String, String, Action<ProjectResourceOptions>)	Adds a .NET project to the application model.
AddProject(IDistributedApplicationBuilder, String, String, String)	Adds a .NET project to the application model.
AddProject(IDistributedApplicationBuilder, String, String)	Adds a .NET project to the application model.
AddProject<TProject>(IDistributedApplicationBuilder, String, Action<ProjectResourceOptions>)	Adds a .NET project to the application model.
AddProject<TProject>(IDistributedApplicationBuilder, String, String)	Adds a .NET project to the application model. By default, this will exist in a Projects namespace. e.g. Projects.MyProject. If the project is not in a Projects namespace, make sure a project reference is added from the AppHost project to the target project.
AddProject<TProject>(IDistributedApplicationBuilder, String)	Adds a .NET project to the application model.
AddPythonApp(IDistributedApplicationBuilder, String, String, String, String, String[])	Adds a python application with a virtual environment to the application model.
AddPythonApp(IDistributedApplicationBuilder, String, String, String, String[])	Adds a python application with a virtual environment to the application model.
AddPythonProject(IDistributedApplicationBuilder, String, String, String, String, String[])	Obsolete. This method is retained only for compatibility.
AddPythonProject(IDistributedApplicationBuilder, String, String, String, String[])	Obsolete. This method is retained only for compatibility.
AddQdrant(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>, Nullable<Int32>)	Adds a Qdrant resource to the application. A container is used for local development.
AddRabbitMQ(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a RabbitMQ container to the application model.
AddRedis(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>)	Adds a Redis container to the application model.
AddRedis(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a Redis container to the application model.
AddAWSSDKConfig(IDistributedApplicationBuilder)	Add a configuration for resolving region and credentials for the AWS SDK for .NET.
AddSeq(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a Seq server resource to the application model with authentication enabled. A container is used for local development.
AddSeq(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a Seq server resource to the application model. A container is used for local development.
AddSqlServer(IDistributedApplicationBuilder, String, IResourceBuilder<ParameterResource>, Nullable<Int32>)	Adds a SQL Server resource to the application model. A container is used for local development.
AddValkey(IDistributedApplicationBuilder, String, Nullable<Int32>, IResourceBuilder<ParameterResource>)	Adds a Valkey container to the application model.
AddValkey(IDistributedApplicationBuilder, String, Nullable<Int32>)	Adds a Valkey container to the application model.
AddYarp(IDistributedApplicationBuilder, String)	Adds a YARP container to the application model.

Applies to

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