diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000..d2de0afdd
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,95 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/python:3.9.1
+    
+    working_directory: ~/repo
+    
+    steps:
+      - checkout
+
+      - restore_cache:
+          keys:
+          - v3-dependencies-{{ checksum "requirements.txt" }}
+          - v3-dependencies-
+
+      - run:
+          name: install apt-transport-https
+          command: |
+            sudo apt-get update
+            sudo apt-get install apt-transport-https
+
+      - run:
+          name: install dotnet
+          command: |
+            # see https://dotnet.microsoft.com/download/linux-package-manager/debian9/sdk-current
+            wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg
+            sudo mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/
+            wget -q https://packages.microsoft.com/config/debian/9/prod.list
+            sudo mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
+            sudo chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg
+            sudo chown root:root /etc/apt/sources.list.d/microsoft-prod.list
+            sudo apt-get update 
+            sudo apt-get install dotnet-sdk-5.0
+            sudo apt-get install aspnetcore-runtime-5.0
+            sudo apt-get install dotnet-runtime-5.0
+
+      - run:
+          name: dotnet info
+          command: |
+                    dotnet --info
+                    
+      - run:
+          name: Install 7z, unrar
+          command: |
+                    sudo apt-get install -y p7zip-full
+
+      - run:
+          name: install dependencies
+          command: |
+            python3 -m venv venv
+            . venv/bin/activate
+            python3 -m pip install -r requirements.txt
+
+      - save_cache:
+          paths:
+            - ./venv
+          key: v3-dependencies-{{ checksum "requirements.txt" }}
+        
+      - run:
+          name: build pythonnet
+          command: |
+            . venv/bin/activate
+            export DOTNET_CLI_TELEMETRY_OPTOUT=1
+            python3 setup.py build_dotnet
+            python3 setup.py bdist_wheel
+            python3 setup.py develop
+
+      - run:
+          name: check installation
+          command: |
+            python3 -m venv venv
+            . venv/bin/activate
+            python -c "import clr"
+
+      - run:
+          name: unittests
+          command: |
+            python3 -m venv venv
+            . venv/bin/activate
+            pytest
+            dotnet test src/embed_tests/
+
+      - run:
+          name: wheel
+          command: |
+            . venv/bin/activate
+            export DOTNET_CLI_TELEMETRY_OPTOUT=1
+            python3 setup.py bdist_wheel
+            mkdir -p test-reports/dist
+            cp dist/*.whl test-reports/dist
+
+      - store_artifacts:
+          path: test-reports
+          destination: test-reports