Hello, can somebody help me I get 503 Service Temporarily Unavailable when I try to access my domain. I run my cluster using RKE2 on ubuntu 22.04 vps here's my configuration

apiVersion: <http://networking.k8s.io/v1|networking.k8s.io/v1>
kind: Ingress
metadata:
  name: tickets-service-api
spec:
  ingressClassName: nginx
  rules:
  - host: <http://tickets-api.mydomain.com|tickets-api.mydomain.com>
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: tickets-service-api
            port:
              number: 80

apiVersion: v1
kind: Service
metadata:
  name: tickets-service-api
  labels:
    name: tickets-service-api
spec:
  ports:
  - port: 80
    targetPort: 80
  selector:
    name: tickets-service-api

apiVersion: apps/v1
kind: Deployment
metadata:
  name: tickets-service-api-deployment
  labels:
    name: tickets-service-api-deployment
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app: tickets-service-api
  template:
    metadata:
      labels:
        app: tickets-service-api
    spec:
      containers:
        - name: tickets-service-api
          image: {{ .Values.image.repo }}:{{ .Values.image.tag }}
          ports:
            - containerPort: 80
          env:
            - name: ASPNETCORE_ENVIRONMENT  
              value: "Production"
      imagePullSecrets:
        - name: regcred

From what I see everything is up and running corrrectly I really don't know why I can get this message, please help me