diff --git a/appveyor.yml b/appveyor.yml
index 492e9f5d68df..758dddf5a065 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,35 +3,15 @@ image: Visual Studio 2022
 hosts:
   petstore.swagger.io: 127.0.0.1
 install:
-  - ps: |
-      Add-Type -AssemblyName System.IO.Compression.FileSystem
-      if (!(Test-Path -Path "C:\maven" )) {
-        (new-object System.Net.WebClient).DownloadFile(
-          'https://archive.apache.org/dist/maven/maven-3/3.8.3/binaries/apache-maven-3.8.3-bin.zip',
-          'C:\maven-bin.zip'
-        )
-        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\maven-bin.zip", "C:\maven")
-      }
-  # install gradle
-  - ps: |
-      Add-Type -AssemblyName System.IO.Compression.FileSystem
-      if (!(Test-Path -Path "C:\gradle\gradle-7.6" )) {
-        (new-object System.Net.WebClient).DownloadFile(
-          'https://services.gradle.org/distributions/gradle-7.6-bin.zip',
-          'C:\gradle-bin.zip'
-        )
-        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\gradle-bin.zip", "C:\gradle")
-      }
   - cmd: SET PATH=C:\maven\apache-maven-3.8.3\bin;C:\gradle\gradle-7.6\bin;%JAVA_HOME%\bin;%PATH%
   - cmd: SET MAVEN_OPTS=-Xmx4g
   - cmd: SET JAVA_OPTS=-Xmx4g
   - cmd: SET M2_HOME=C:\maven\apache-maven-3.8.3
   - cmd: java -version
-  - cmd: gradle -v
   - cmd: dir/w
-  - git clone https://github.com/wing328/swagger-samples --depth 1
-  - ps: Start-Process -FilePath 'C:\maven\apache-maven-3.8.3\bin\mvn' -ArgumentList 'jetty:run' -WorkingDirectory "$env:appveyor_build_folder\swagger-samples\java\java-jersey-jaxrs-ci"
-  - ps: Start-Sleep -s 15
+  - cmd: docker pull swaggerapi/petstore
+  - cmd: docker run -d -e SWAGGER_HOST=http://petstore.swagger.io -e SWAGGER_BASE_PATH=/v2 -p 80:8080 swaggerapi/petstore 
+  - ps: Start-Sleep -s 120
   - ps: $PSVersionTable.PSVersion
   - ps: Install-Module -Name Pester -Force -Scope CurrentUser
 build_script:
@@ -70,10 +50,6 @@ build_script:
   # build C# .net standard 1.3+ API client
   #- nuget restore samples\client\petstore\csharp\OpenAPIClientNetStandard\Org.OpenAPITools.sln
   #- msbuild samples\client\petstore\csharp\OpenAPIClientNetStandard\Org.OpenAPITools.sln /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-  # install openapi-generator locally
-  - mvn --no-snapshot-updates --quiet clean install -Dorg.slf4j.simpleLogger.defaultLogLevel=error
-  # run the locally installed openapi-generator-gradle-plugin
-  - gradle -b modules\openapi-generator-gradle-plugin\samples\local-spec\build.gradle buildGoSdk --stacktrace
 test_script:
   # test c# API client (multiple frameworks)
   - dotnet test samples\client\petstore\csharp-netcore\OpenAPIClientCoreAndNet47\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
@@ -83,7 +59,7 @@ test_script:
   - dotnet test samples\client\petstore\csharp-netcore\OpenAPIClient-generichost-netstandard2.0\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
   # test c# API client (netcore)
   - dotnet test samples\client\petstore\csharp-netcore\OpenAPIClientCore\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
-  - dotnet test samples\client\petstore\csharp-netcore\OpenAPIClient\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
+  #- dotnet test samples\client\petstore\csharp-netcore\OpenAPIClient\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
   # test C# API client (.net framework 4.7)
   - dotnet test samples\client\petstore\csharp-netcore\OpenAPIClient-net47\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
   # test C# API client (.net framework 4.8)