feat: implement Docker-based production deployment pipeline with automated Ansible provisioning, CI/CD workflows, and Caddy server configuration.

.github/workflows/test.yml

@@ -0,0 +1,48 @@
+name: Test
+
+on:
+  workflow_call:
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build Docker image
+        run: docker build -t learning-platform .
+
+      - name: Build test image
+        run: |
+          cat > Dockerfile.test <<'EOF'
+          FROM learning-platform
+          COPY Caddyfile.test /etc/caddy/Caddyfile
+          EOF
+          docker build -t learning-platform-test -f Dockerfile.test .
+
+      - name: Start container
+        run: |
+          docker run -d --network gitea --name test-container learning-platform-test
+          sleep 5
+
+      - name: Test homepage
+        run: |
+          status=$(curl -s -o /dev/null -w "%{http_code}" http://test-container)
+          if [ "$status" != "200" ]; then
+            echo "Homepage failed with status $status"
+            exit 1
+          fi
+          echo "✓ Homepage OK"
+
+      - name: Test security headers
+        run: |
+          headers=$(curl -sI http://test-container)
+          echo "$headers" | grep -q "X-Frame-Options" || (echo "Missing X-Frame-Options" && exit 1)
+          echo "$headers" | grep -q "X-Content-Type-Options" || (echo "Missing X-Content-Type-Options" && exit 1)
+          echo "✓ Security headers OK"
+
+      - name: Cleanup
+        if: always()
+        run: docker stop test-container && docker rm test-container