fix: Gitea Traefik routing and connection pool optimization

- Remove middleware reference from Gitea Traefik labels (caused routing issues)
- Optimize Gitea connection pool settings (MAX_IDLE_CONNS=30, authentication_timeout=180s)
- Add explicit service reference in Traefik labels
- Fix intermittent 504 timeouts by improving PostgreSQL connection handling

Fixes Gitea unreachability via git.michaelschiemer.de

scripts/test/test-upload-system.sh

@@ -0,0 +1,111 @@
+#!/bin/bash
+
+# Upload System Test Script
+# Tests the complete JavaScript upload system with CSRF protection
+
+echo "🧪 Testing Upload System with CSRF Protection"
+echo "================================================"
+
+BASE_URL="https://localhost"
+USER_AGENT="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36"
+
+# Test 1: CSRF Token Generation
+echo ""
+echo "📋 Test 1: CSRF Token Generation"
+echo "--------------------------------"
+
+CSRF_RESPONSE=$(curl -k -s -H "User-Agent: $USER_AGENT" -H "Accept: application/json" \
+    "$BASE_URL/api/csrf/token?action=/api/images&method=post")
+
+if [ $? -eq 0 ] && [[ $CSRF_RESPONSE == *"form_id"* ]]; then
+    echo "✅ CSRF API reachable and returns tokens"
+    echo "Response: $CSRF_RESPONSE"
+
+    # Extract tokens using simple text manipulation
+    FORM_ID=$(echo "$CSRF_RESPONSE" | sed -n 's/.*"form_id":"\([^"]*\)".*/\1/p')
+    TOKEN=$(echo "$CSRF_RESPONSE" | sed -n 's/.*"token":"\([^"]*\)".*/\1/p')
+
+    echo "Form ID: $FORM_ID"
+    echo "Token: ${TOKEN:0:20}..."
+else
+    echo "❌ CSRF API test failed"
+    echo "Response: $CSRF_RESPONSE"
+    exit 1
+fi
+
+# Test 2: Test Page Accessibility
+echo ""
+echo "🌐 Test 2: Test Page Accessibility"
+echo "----------------------------------"
+
+HTTP_STATUS=$(curl -k -s -o /dev/null -w "%{http_code}" -H "User-Agent: $USER_AGENT" \
+    "$BASE_URL/admin/test/upload")
+
+if [ "$HTTP_STATUS" = "200" ]; then
+    echo "✅ Test page accessible at /admin/test/upload"
+else
+    echo "❌ Test page not accessible (HTTP $HTTP_STATUS)"
+fi
+
+# Test 3: Upload API Endpoint Check
+echo ""
+echo "📤 Test 3: Upload API Endpoint Check"
+echo "------------------------------------"
+
+# Test without file (should return error about missing file)
+UPLOAD_RESPONSE=$(curl -k -s -H "User-Agent: $USER_AGENT" -H "Accept: application/json" \
+    -H "X-CSRF-Form-ID: $FORM_ID" -H "X-CSRF-Token: $TOKEN" \
+    -X POST "$BASE_URL/api/images")
+
+if [[ $UPLOAD_RESPONSE == *"No image file uploaded"* ]]; then
+    echo "✅ Upload API reachable and CSRF validation working"
+    echo "Expected error: No image file uploaded"
+else
+    echo "❌ Upload API test failed"
+    echo "Response: $UPLOAD_RESPONSE"
+fi
+
+# Test 4: JavaScript Files Accessibility
+echo ""
+echo "📜 Test 4: JavaScript Files Accessibility"
+echo "-----------------------------------------"
+
+JS_STATUS=$(curl -k -s -o /dev/null -w "%{http_code}" -H "User-Agent: $USER_AGENT" \
+    "$BASE_URL/js/test-upload.js")
+
+if [ "$JS_STATUS" = "200" ]; then
+    echo "✅ JavaScript test file accessible"
+else
+    echo "❌ JavaScript test file not accessible (HTTP $JS_STATUS)"
+fi
+
+UPLOAD_JS_STATUS=$(curl -k -s -o /dev/null -w "%{http_code}" -H "User-Agent: $USER_AGENT" \
+    "$BASE_URL/js/utils/upload.js")
+
+if [ "$UPLOAD_JS_STATUS" = "200" ]; then
+    echo "✅ Upload utility accessible"
+else
+    echo "❌ Upload utility not accessible (HTTP $UPLOAD_JS_STATUS)"
+fi
+
+# Summary
+echo ""
+echo "📊 Test Summary"
+echo "==============="
+echo "✅ CSRF token generation: Working"
+echo "✅ Test page: Available at $BASE_URL/admin/test/upload"
+echo "✅ Upload API: Ready for file uploads"
+echo "✅ JavaScript modules: Accessible"
+echo ""
+echo "🎯 Next Steps:"
+echo "1. Open browser: $BASE_URL/admin/test/upload"
+echo "2. Select image files and test upload"
+echo "3. Check browser console for debug info"
+echo "4. Test console commands: await testCsrfTokens()"
+echo ""
+echo "🔧 Manual Browser Tests:"
+echo "- Open DevTools Console"
+echo "- Run: await uploadManager.getCsrfTokens('/api/images', 'post')"
+echo "- Select image files in the form"
+echo "- Click Upload Files button"
+echo "- Watch progress and results"