pod has unbound immediate PersistentVolumeClaims when when i create a statefulset - kubernetes

Question

I have created a statefulset using the following manifest,
the issue is that my statefulset is created correctly
but its replicas never get to run.
I hope you can help me, thanks
Name: phponcio
Namespace: default
Priority: 0
Node: juanaraque-worknode/10.0.0.2
Start Time: Wed, 01 Jun 2022 13:49:08 +0200
Labels: run=phponcio
Annotations: cni.projectcalico.org/containerID: 768caa8f4e9b0683033e279aa259d6673d81fe38b62a2ea06c7d256805d522f0
cni.projectcalico.org/podIP: 192.168.240.69/32
cni.projectcalico.org/podIPs: 192.168.240.69/32
Status: Running
IP: 192.168.240.69
IPs:
IP: 192.168.240.69
Containers:
phponcio:
Container ID: docker://75f90344ada396be965f0ae5c33bb7ea8c110d9ea1e014b75f36263b9cd72504
Image: 84d3f7ba5876/php-apache-mysql
Image ID: docker-pullable://84d3f7ba5876/php-apache-mysql#sha256:bf0cd01ae4b77cca146dcd54d8a447ba8b6c7f5a9e11d6dab6d19f429fb111d1
Port: <none>
Host Port: <none>
State: Running
Started: Wed, 01 Jun 2022 14:31:53 +0200
Last State: Terminated
Reason: Error
Exit Code: 255
Started: Wed, 01 Jun 2022 13:54:26 +0200
Finished: Wed, 01 Jun 2022 14:30:44 +0200
Ready: True
Restart Count: 2
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-bld5b (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
kube-api-access-bld5b:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 3607
ConfigMapName: kube-root-ca.crt
ConfigMapOptional: <nil>
DownwardAPI: true
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events: <none>
Name: phponcio
Namespace: default
CreationTimestamp: Thu, 02 Jun 2022 10:35:08 +0200
Selector: app=phponcio
Labels: <none>
Annotations: <none>
Replicas: 3 desired | 1 total
Update Strategy: RollingUpdate
Partition: 0
Pods Status: 0 Running / 1 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=phponcio
Containers:
phponcio:
Image: 84d3f7ba5876/php-apache-mysql
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/usr/share from slow (rw)
Volumes: <none>
Volume Claims:
Name: slow
StorageClass: slow
Labels: <none>
Annotations: <none>
Capacity: 1Gi
Access Modes: [ReadWriteOnce]
Events: <none>
apiVersion: v1
kind: Service
metadata:
name: phponcio
labels:
app: phponcio
spec:
ports:
- port: 80
name: web
clusterIP: None
selector:
app: phponcio
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: phponcio
spec:
selector:
matchLabels:
app: phponcio # tiene que coincidir con .spec.template.metadata.labels
serviceName: phponcio
replicas: 3 # por defecto es 1
template:
metadata:
labels:
app: phponcio # tiene que coincidir con .spec.selector.matchLabels
spec:
terminationGracePeriodSeconds: 10
containers:
- name: phponcio
image: 84d3f7ba5876/php-apache-mysql
ports:
- containerPort: 80
name: phponcio
volumeMounts:
- name: slow
mountPath: /usr/share
volumeClaimTemplates:
- metadata:
name: slow
spec:
accessModes: [ "ReadWriteOnce" ]
storageClassName: slow
resources:
requests:
storage: 1Gi