Unhealthy load balancer on GCE - kubernetes

Question

I have a couple of services and the loadbalancers work fine. Now I keep facing an issue with a service that runs fine, but when a loadbalancer is applied I cannot get it to work, because one service seams to be unhealty, but I cannot figure out why. How can I get that service healthy?
Here are my k8s yaml.
Deployment:
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
name: api-production
spec:
replicas: 1
template:
metadata:
name: api
labels:
app: api
role: backend
env: production
spec:
containers:
- name: api
image: eu.gcr.io/foobar/api:1.0.0
livenessProbe:
httpGet:
path: /readinez
port: 8080
initialDelaySeconds: 45
periodSeconds: 10
readinessProbe:
httpGet:
path: /healthz
port: 8080
env:
- name: ENVIRONMENT
value: "production"
- name: GIN_MODE
value: "release"
resources:
limits:
memory: "500Mi"
cpu: "100m"
imagePullPolicy: Always
ports:
- name: api
containerPort: 8080
Service.yaml
kind: Service
apiVersion: v1
metadata:
name: api
spec:
selector:
app: api
role: backend
type: NodePort
ports:
- name: http
port: 8080
- name: external
port: 80
targetPort: 80
Ingress.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: api
namespace: production
annotations:
kubernetes.io/tls-acme: "true"
kubernetes.io/ingress.class: "gce"
spec:
tls:
- hosts:
- foo.bar.io
secretName: api-tls
rules:
- host: foo.bar.io
http:
paths:
- path: /*
backend:
serviceName: api
servicePort: 80

Answer 1

The problem was solved by configuring the ports in the correct way. Container, Service and LB need (obviously) to be aligned. I also added the initialDelaySeconds.
LB:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: api
namespace: production
annotations:
# kubernetes.io/ingress.allow-http: "false"
kubernetes.io/tls-acme: "true"
kubernetes.io/ingress.class: "gce"
spec:
tls:
- hosts:
- api.foo.io
secretName: api-tls
rules:
- host: api.foo.io
http:
paths:
- path: /*
backend:
serviceName: api
servicePort: 8080
Service:
kind: Service
apiVersion: v1
metadata:
name: api
spec:
selector:
app: api
role: backend
type: NodePort
ports:
- protocol: TCP
port: 8080
targetPort: 8080
name: http
Deployment:
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
name: api-production
spec:
replicas: 1
template:
metadata:
name: api
labels:
app: api
role: backend
env: production
spec:
containers:
- name: api
image: eu.gcr.io/foobarbar/api:1.0.0
livenessProbe:
httpGet:
path: /readinez
port: 8080
initialDelaySeconds: 45
periodSeconds: 10
readinessProbe:
httpGet:
path: /healthz
port: 8080
initialDelaySeconds: 45
env:
- name: ENVIRONMENT
value: "production"
- name: GIN_MODE
value: "release"
resources:
limits:
memory: "500Mi"
cpu: "100m"
imagePullPolicy: Always
ports:
- containerPort: 8080