Microservice Template Version 4.x to 5.2 Migration Guide

This document is a guide for upgrading Microservice template version 4.4 to version 5.2. Please read them all since there are some important breaking changes.

It is strongly suggested to follow General Startup Template Changes Guide and generate an up-to-date microservice template for comparison. Compare your code-base for each application, gateways, microservices, and the shared projects that you are using.

.NET 6.0

ABP 5.0 runs on .NET 6.0. So, please upgrade your microservice template solution to .NET 6.0 if you want to update your solution to ABP 5.x. You can see Microsoft's migration guide.

General Enhancements

  • Added Docker support. Each application, gateway, and microservices have 2 different docker files. Dockerfile for building CI/CD friendly, multi-stage, cached image building in containers. Dockerfile.local for building fast, SDK required image building.
  • Added Powershell scripts under the build folder to build docker images easily. Use either build-images.ps1 to build CI/CD friendly multi-stage docker images or build-images-locally.ps1 to build docker images locally.
  • Added Kubernetes and Helm support. Under etc/k8s folder, now you can find helm charts for your template. While you can deploy your whole application as a single helm chart with YourProjectName, you can also deploy each application individually. Each helm chart has values.yaml file needs to be filled if you want to deploy individually. YourProjectName helm chart values.yaml overrides the individual values if you deploy as a single unit. We have also added deploy-staging.ps1 Powershell script to deploy YourProjectName with a namespace that you can use and modify.
  • Replaced dynamic proxying with the static proxying in gateways. The main reason for this decision is to free gateways from microservice dependencies. When the gateways are no longer dependent on any microservice layer, you can switch gateway from ocelot to any other gateway you desire.
  • Removed Internal Gateway. We decided that adding an extra gateway between microservices is unnecessary and microservices can communicate with each other without a gateway redirection. This will also reduce the complication of inter-microservice communication and deployments.

AuthServer

AuthServer is now hosting Account Http.Api module. Since account-related management and configurations are done in AuthServer, hosting responsibility is now moved to AuthServer with swagger support.

  • AuthServer now references to Volo.Abp.Account.Pro.Public.HttpApi layer. Add this reference to your AuthServer.csproj and the AbpAccountPublicHttpApiModule dependency to the AuthServerModule.
  • SwaggerUI is enabled for AuthServer with the name Account Service.
  • External authentications for Google, Twitter, and Microsoft account are enabled.
  • Added IdentityServer configuration for the non-development environment. Now AuthServer contains deployment configuration for signing credentials.

Angular Back-Office Application

  • Renamed oAuthConfig scope AuthServer to AccountService in environment.ts.

  • Added Account remote service to apis in environment.ts:

    AbpAccountPublic: {
          url: oAuthConfig.issuer,
          rootNamespace: 'AbpAccountPublic',
        },
    

Gateway Changes

  • Removed all the microservice and Account module Http.Api layers project references and module dependencies.
  • Reflected renaming of SwaggerWithAuthConfigurationHelper class to SwaggerConfigurationHelper.
  • Extracted ocelot re-route configurations from appsettings.json to ocelot.json file.
  • Removed extra midware (app.MapWhen()) used for dynamic proxying.
  • Renamed swagger scope AuthServer to AccountService in Web gateway.
  • Gateways expose swagger endpoints based on the services they reroute. Each service swagger authentication is now individual and the WebGateway client can be used to authenticate for all services.

IdentityServer Data Related Changes

  • Renamed AuthServer to AccountService in both IdentityServerDataSeeder located under IdentityService.HttpApi.Host and DbMigrator to reflect the resource and the scope better.
  • IdentityServerDataSeeder creates multiple redirection URIs for the Web gateway.
  • IdentityServer configuration used in IdentityServerDataSeeder located under IdentityService.HttpApi.Host and DbMigrator appsettings.json is updated. Configuration now contains Clients and Resources instead of just Clients now.
  • CreateSwaggerClientsAsync method is renamed to CreateWebGatewaySwaggerClientsAsync. Only the WebGateway client is used for swagger authentication now.

Shared Project Changes

  • Moved swagger dependency from Shared.Hosting.Microservice to Shared.Hosting.AspnetCore.
  • Removed SwaggerWithAuthConfigurationHelper from Shared.Hosting.Gateways and added functionality to SwaggerConfigurationHelper with the name ConfigureWithAuth.

Microservice Changes

  • Added CORS configuration to service modules and to appsettings.json for Web and Public-Web gateways.
  • Added external provider configuration to IdentityService Http.Api.Host module.
  • ProductService.Http.Api.Client is now using static proxying. Infrastructural services do not use this configuration because all the modules they are hosting are already using static proxying. It is also strongly suggested to use static proxying for newly added microservices to the solution.

Contributors


Last updated: July 31, 2024 Edit this page on GitHub

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