Envoy configMap to enable L7 routing

envoy-configMap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: envoy-config
  namespace: default
data:
  envoy.yaml: |
    static_resources:
      listeners:
      - name: listener_0
        address:
          socket_address: { address: 0.0.0.0, port_value: 10000 }
        filter_chains:
        - filters:
          - name: envoy.filters.network.http_connection_manager
            config:
              stat_prefix: ingress_http
              codec_type: AUTO
              route_config:
                name: local_route
                virtual_hosts:
                - name: local_service
                  domains: ["*"]
                  routes:
                  - match: { prefix: "/" }
                    route: { cluster: service_cluster }
              http_filters:
              - name: envoy.filters.http.router
      clusters:
      - name: service_cluster
        connect_timeout: 0.25s
        type: STRICT_DNS
        lb_policy: ROUND_ROBIN
        load_assignment:
          cluster_name: service_cluster
          endpoints:
          - lb_endpoints:
            - endpoint:
                address:
                  socket_address:
                    address: my-app.default.svc.cluster.local
                    port_value: 80