abp/docs/en/solution-templates/single-layer-web-application/overview.md

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    "Description": "Explore the Single Layer solution template in ABP Framework, featuring pre-installed libraries and services for streamlined development and production."
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Single Layer Solution: Overview

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Some of the features mentioned in this document may not be available in the free version. We're using the * symbol to indicate that a feature is available in the Team and Higher licenses.

This document explains what the Single-Layer solution template offers.

Pre-Installed Libraries & Services

The following libraries and services come pre-installed and configured for both development and production environments. After creating your solution, you can modify or remove most of them as needed.

• Autofac for Dependency Injection.
• Serilog with File and Console logging providers.
• Swagger for exploring and testing HTTP APIs.
• OpenIddict as the built-in authentication server.

Pre-Configured Features

The solution comes with the following built-in and pre-configured features:

• Authentication is fully configured based on best practices.
• Permission (authorization), setting, feature and the localization management systems are pre-configured and ready to use.
• Background job system.
• BLOB storge system is installed with the database provider.
• On-the-fly database migration system (services automatically migrated their database schema when you deploy a new version). *
• Swagger authentication is configured to test the authorized HTTP APIs.

Fundamental Modules

The following modules are pre-installed and configured for the solution:

• Account to authenticate users (login, register, two factor auth *, etc)
• Identity to manage roles and users
• OpenIddict (the core part) to implement the OAuth authentication flows

In addition, Feature Management, Permission Management and Setting Management modules are pre-installed as they are the fundamental feature modules of the ABP.

Optional Modules

The following modules are optionally included in the solution, so you can select the ones you need:

• Audit Logging
• Chat *
• File Management *
• GDPR *
• Language Management *
• OpenIddict (Management UI) *
• Tenant Management (Multi-Tenancy) or SaaS *
• Text Template Management *

UI Theme

The LeptonX Lite or LeptonX theme * is pre-configured for the solution. You can select one of the color palettes (System, Light, or Dark) as default, while the end-user dynamically change it on the fly.

Other Options

Single-layer startup template asks for some preferences while creating your solution.

Database Providers

There are two database provider options are provided on a new solution creation:

• Entity Framework Core with SQL Server, MySQL and PostgreSQL DBMS options. You can switch to another DBMS manually after creating your solution.
• MongoDB

UI Frameworks

The solution comes with a main web application with the following UI Framework options:

• None (doesn't include a UI application to the solution)
• Angular
• MVC / Razor Pages UI
• Blazor WebAssembly
• Blazor Server

Multi-Tenancy & SaaS Module *

The SaaS module is included as an option. When you select it, the multi-tenancy system is automatically configured. Otherwise, the system will not include any multi-tenancy overhead.

See Also

• Quick Start: Creating a Single Layer Web Application with ABP Studio