Kubernetes service not exposed on minikube - kubernetes

Question

I'm new to k8 and i'm trying to figure out how to deploy my first docker image on minikube.
My k8.yaml file is:
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-deployment
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: my-app
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-docker-image
image: my-docker-image:1.0
ports:
- containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: my-service
namespace: default
spec:
type: LoadBalancer
selector:
app: my-service
ports:
- port: 8080
targetPort: 8080
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: my-ingress
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
ingressClassName: my-ingress
rules:
- http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: my-service
port:
number: 8080
Everything seems fine to me, however, I'm not able to reach my service on cluster.
I tried to create a tunnel using the minikube tunnel command and i have this result if i execute kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
my-service LoadBalancer 10.109.154.236 127.0.0.1 8080:30558/TCP 2m53s
However, if i try to call my service at 127.0.0.1:30588 host is unreachable.
Can someone help me?

Answer 1

There is an issue in the service selector as well, so first, we need to fix this service selector and it should match with with deployment label
replicas: 1
selector:
matchLabels:
app: my-app
and the service should refer to this selector
the selector should be my-app in the service or same as above for deployment
type: LoadBalancer
selector:
app: my-app
ports:
- port: 8080
targetPort: 8080
to access from the host
minikube service my-service
and here you go
kubectl delete -f myapp.yaml
kubectl apply -f myapp.yaml
deployment manifest
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-deployment
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: my-app
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-docker-image
image: nginx
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: my-service
namespace: default
spec:
type: LoadBalancer
selector:
app: my-app
ports:
- port: 80
targetPort: 80
Also worth considering the service type for Minikube.
What's the difference between ClusterIP, NodePort and LoadBalancer service types in Kubernetes?