Merge GHA build and deploy workflows (#9)

Author: artcz

.github/workflows/build_test_and_lint.yml renamed to .github/workflows/build_and_deploy.yml

@@ -58,3 +58,29 @@ jobs:
           --health-timeout=5s
           --health-retries=5
 
+  deploy:
+    needs: build-test-and-lint
+    if: github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Set up SSH key
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.DEPLOY_SSH_KEY }}
+
+      - name: Set up ssh
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+          ssh-keyscan "internal.europython.eu" > ~/.ssh/known_hosts
+
+      - name: Run deployment
+        run: make deploy/app