diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..c050e9b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,34 @@
+name: CI  # This is the name of our workflow.
+
+on:  # This section defines the events that trigger the workflow.
+  push:  # When you push code to the repository.
+    branches: [ main, master ]  # Only trigger on the main or master branch.
+  pull_request:  # When a pull request is opened or updated.
+
+jobs:  # All tasks that we want to run are grouped under jobs.
+  lint-and-test:  # The name of our job.
+    runs-on: ubuntu-latest  # This job will run on the latest version of Ubuntu.
+
+    steps:  # Each job consists of multiple steps.
+      - uses: actions/checkout@v4  # Step 1: Checkout the code from your repo.
+      
+      - uses: actions/setup-python@v5  # Step 2: Set up Python environment.
+        with:
+          python-version: '3.11'  # We’re using Python 3.11.
+          cache: 'pip'  # Cache the dependencies to speed up future runs.
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip  # Upgrade pip.
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi  # Install project dependencies.
+          pip install pytest pytest-cov  # Also install testing tools.
+
+      - name: Run tests
+        run: pytest -q --maxfail=1 --disable-warnings --cov=src --cov-report=xml  # Step 4: Run tests and measure code coverage.
+
+      - name: Upload coverage.xml
+        if: always()  # Even if tests fail, upload the coverage report.
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-xml
+          path: coverage.xml  # Save the test coverage report.
\ No newline at end of file
diff --git a/tests/test_imports.py b/tests/test_imports.py
new file mode 100644
index 0000000..ec049a3
--- /dev/null
+++ b/tests/test_imports.py
@@ -0,0 +1,14 @@
+import importlib
+
+def test_imports():
+    import streamlit
+    import numpy
+    import matplotlib
+
+def test_project_modules_import():
+    for mod in [
+        "src.fh_segmentation",
+        "src.union_find",
+        "src.image_utils",
+    ]:
+        importlib.import_module(mod)