ci: Add CI workflow for Python project

.github/workflows/ci.yml

@@ -0,0 +1,59 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+cancel-workflow-run:
+  runs-on: ubuntu-latest
+  steps:
+    - uses: actions/checkout@v4
+    - name: Cancel previous runs
+      uses: styfle/cancel-workflow-action@0.12.0
+      with:
+        workflow_id: ci.yml
+        exclude_action_repos: true
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.8, 3.9, 3.10]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Cache Python dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+      - name: Run tests
+        run: |
+          python -m unittest discover
+    env:
+      CI: true
+  deploy:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Deploy to production
+        if: github.ref == 'refs/heads/main'
+        run: |
+          echo 'Deploying to production...'
+        env:
+          DEPLOY_ENV: production