diag: host diagnostics workflow

.gitea/workflows/diag.yaml

@@ -0,0 +1,43 @@
+name: Host Diagnostics
+run-name: 🔍 Host Diagnostics
+
+on:
+  workflow_dispatch:
+
+jobs:
+  diag:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Docker PS
+        run: |
+          echo "=== docker ps ==="
+          docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"
+          echo ""
+          echo "=== docker ps -a (nexus) ==="
+          docker ps -a --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}" --filter "name=nexus"
+      - name: Port 18880 check
+        run: |
+          echo "=== curl 127.0.0.1:18880 ==="
+          curl -sv --max-time 5 http://127.0.0.1:18880/ 2>&1 || true
+          echo ""
+          echo "=== curl 127.0.0.1:18880/health ==="
+          curl -sv --max-time 5 http://127.0.0.1:18880/health 2>&1 || true
+      - name: Port listeners
+        run: |
+          echo "=== ss -tlnp | grep 1888 ==="
+          ss -tlnp 2>/dev/null | grep 1888 || echo "ss not available, trying netstat"
+          netstat -tlnp 2>/dev/null | grep 1888 || echo "netstat not available"
+      - name: Nginx config check
+        run: |
+          echo "=== nginx -t ==="
+          nginx -t 2>&1 || echo "nginx not accessible"
+          echo ""
+          echo "=== nginx sites-enabled ==="
+          ls -la /etc/nginx/sites-enabled/ 2>/dev/null || echo "path not found"
+      - name: Container logs
+        run: |
+          echo "=== nexus-web-1 logs ==="
+          docker logs --tail 30 nexus-web-1 2>&1 || echo "cannot get logs"
+          echo ""
+          echo "=== nexus-api-1 logs ==="
+          docker logs --tail 10 nexus-api-1 2>&1 || echo "cannot get logs"