Add pytest workflow

.github/workflows/pytest.yml

@@ -0,0 +1,60 @@
+# This workflow will install Python dependencies and run tests with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Create test environment file
+        working-directory: ./app
+        run: |
+          echo '${{ secrets.TEST_ENV_FILE }}' > .env.test
+      - name: Set up Python 3.14
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.14"
+      - name: Install dependencies
+        working-directory: ./app
+        run: |
+          python -m pip install --upgrade pip
+          pip install pip-tools
+          pip-sync
+      - name: Test database connection
+        working-directory: ./app
+        run: |
+          python -c "
+          from dotenv import load_dotenv
+          load_dotenv('.env.test')
+          import psycopg2
+          import os
+          try:
+              conn = psycopg2.connect(
+                  host=os.getenv('DB_HOST'),
+                  database=os.getenv('DB_DATABASE'),
+                  user=os.getenv('DB_USER'),
+                  password=os.getenv('DB_PASSWORD'),
+                  port=os.getenv('DB_PORT')
+              )
+              print('Database connection successful')
+              conn.close()
+          except Exception as e:
+              print(f'Database connection failed: {e}')
+              exit(1)
+          "
+      - name: Test with pytest
+        working-directory: ./app
+        run: |
+          python -m pytest