K3s-cluster/vaultwarden/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
    name: vaultwarden
    namespace: vaultwarden
spec:
    replicas: 1
    selector:
        matchLabels:
            app: vaultwarden
    template:
        metadata:
            labels:
                app: vaultwarden
        spec:
            hostname: vaultwarden
            subdomain: vaultwarden
            containers:
              - name: vaultwarden
                image: vaultwarden/server
                ports:
                  - containerPort: 80
                env:
                  - name: SIGNUPS_ALLOWED
                    value: "true"
                  - name: DATABASE_URL
                    value: "mysql://root:example@127.0.0.1:3306/vaultwarden"
              - name: mariadb
                image: mariadb
                env:
                  - name: MARIADB_ROOT_PASSWORD
                    value: "example"
                  - name: MARIADB_DATABASE
                    value: "vaultwarden"
                volumeMounts:
                  - mountPath: "/var/lib/mysql"
                    name: vaultwarden-pv
            volumes:
              - name: vaultwarden-pv
                hostPath:
                  path: "/mnt/vaultwarden"