Envoy basic YAML setting

envoy-basic.yaml

node:
  id: node0 # 고유한 envoy node의 ID
  cluster: cluster.local

admin: # Envoy는 자체적으로 Admin 페이지를 제공한다.
  access_log_path: /tmp/admin_access.log 
  address:
    socket_address: { address: 0.0.0.0, port_value: 9900 } # 9900 포트로 Admin 접근 가능

static_resources:
  # 리스터 설정
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0,  port_value: 80 } 

    # Filter 설정
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        config:
          stat_prefix: ingress_http
          http_filters:
          - name: envoy.filters.http.router

          # Route 설정
          route_config:
            name: route
            virtual_hosts:
            - name: nginx_service
              domains: ["nginx.local"]
              routes:
              - match:
                  prefix: "/alicek106"
                route:
                  cluster: nginx_cluster # Nginx Cluster로 라우팅

  # 클러스터 설정
  clusters:
  - name: nginx_cluster # Nginx cluster
    type: STRICT_DNS
    connect_timeout: 0.25s
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: nginx_cluster
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address: { address: nginx1, port_value: 80 }
        - endpoint:
            address:
              socket_address: { address: nginx2, port_value: 80 }