After Sitecore 9.0.2, Solr is a supported search technology for Sitecore Azure PAAS deployments. In this article, we will install SOLR service 8.4.0 in Azure App Service for Sitecore 10. 1. Create Azure App Service Login to Azure and create Azure App service. Make sure Runtime stack should be Java. 2. Download Solr Download Solr 8.4.0 from https://archive.apache.org/dist/lucene/solr/ Extract the files and add the below web.config file in the Solr package. <?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <handlers> <add name="httpPlatformHandler" path="*" verb="*" modules="httpPlatformHandler" resourceType="Unspecified" /> </handlers> <httpPlatform processPath="%HOME%\site\wwwroot\bin\solr.cmd" arguments="start -p %HTTP_PLATFORM_PORT%"