diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
new file mode 100644
index 0000000..0d58401
--- /dev/null
+++ b/.github/workflows/pytest.yml
@@ -0,0 +1,61 @@
+name: pytest
+on:
+  pull_request:
+    branches:
+      - "**"
+  push:
+    branches:
+      - master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v3
+        name: Check out repository
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: Add node config file
+        run: |
+          mkdir node-config
+          touch ./node-config/sign_node.yml
+          echo --- >> ./node-config/sign_node.yml
+          echo development_mode: yes >> ./node-config/sign_node.yml
+      - uses: isbang/compose-action@v1.5.1
+        name: Run docker-compose
+        with:
+          # Use this if you change something in Dockerfile
+          # up-flags: --build --no-deps
+          up-flags: "--pull always --no-build --no-deps"
+          down-flags: "--volumes"
+      - name: Run unit tests (pytest)
+        run: docker-compose run -v /tmp:/tmp --no-deps sign_node bash -o pipefail -c 'source
+          env/bin/activate && pip3 install -r requirements.txt &&
+          pytest -vv --cov-report term-missing:skip-covered
+          --cov-report xml:/tmp/coverage.xml --junitxml=/tmp/pytest.xml --cov=sign_node
+          tests/ | tee /tmp/pytest-coverage.txt'
+      - name: Pytest coverage comment
+        uses: MishaKav/pytest-coverage-comment@main
+        id: coverageComment
+        with:
+          pytest-coverage-path: /tmp/pytest-coverage.txt
+          pytest-xml-coverage-path: /tmp/coverage.xml
+          title: Coverage report for changed files
+          badge-title: Total coverage
+          hide-badge: false
+          hide-report: false
+          report-only-changed-files: true
+          hide-comment: false
+          remove-link-from-badge: false
+          junitxml-path: /tmp/pytest.xml
+      - name: Create the Badge
+        if: ${{ github.ref == 'refs/heads/master' && steps.coverageComment.outputs.coverage }}
+        uses: schneegans/dynamic-badges-action@v1.6.0
+        with:
+          auth: ${{ secrets.GIST_SECRET }}
+          gistID: 7d2552a0fbf81edbaa7d3deb001e142b
+          filename: sign-node-badge__master.json
+          label: Test Coverage
+          message: ${{ steps.coverageComment.outputs.coverage }}
+          color: ${{ steps.coverageComment.outputs.color }}
+          namedLogo: pytest
diff --git a/README.md b/README.md
index 3aa9b02..b5af93f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # System Overview
 
+[![badges](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/maccelf/7d2552a0fbf81edbaa7d3deb001e142b/raw/sign-node-badge__master.json)](https://github.com/AlmaLinux/albs-sign-node/blob/master/README.md)
+
 AlmaLinux Build System Sing Node is designed to sign build packages.
 
 Sign Node sends a request to the [Web-Server](https://github.com/AlmaLinux/albs-web-server) and receives back a task to sign packages. 
diff --git a/requirements.txt b/requirements.txt
index e8d655f..6ca9c08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,5 @@ websocket-client==0.59.0
 # https://jasonralph.org/?p=997
 cryptography==37.0.4
 pgpy==0.5.4
+pytest-cov==4.1.0
 git+https://github.com/AlmaLinux/immudb-wrapper.git@0.1.2#egg=immudb_wrapper
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/sign_node/__init__.py b/tests/sign_node/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/sign_node/test_signer.py b/tests/sign_node/test_signer.py
new file mode 100644
index 0000000..6e955b3
--- /dev/null
+++ b/tests/sign_node/test_signer.py
@@ -0,0 +1,6 @@
+from sign_node.signer import Signer
+
+
+class TestSigner:
+    def test_example(self):
+        pass