docker中運行envoy 報錯 cannot bind '0.0.0.0:80': Permission denied

docker-compose文件

version: '3'
services:
  envoy:
    image: envoyproxy/envoy-alpine:v1.15-latest
    volumes:
    - ./envoy.yaml:/etc/envoy/envoy.yaml
    network_mode: "service:mainserver" 
    depends_on:
    - mainserver
  mainserver:
    image: sealloong/envoy-end:latest
    networks:
      envoymesh:
        aliases:
        - webserver
        - httpserver
        - envoy_end
networks:
  envoymesh: {}

啟動時報錯

envoy_1       | [2020-09-06 07:09:48.618][8][critical][main] [source/server/server.cc:101] error initializing configuration '/etc/envoy/envoy.yaml': cannot bind '0.0.0.0:80': Permission denied
envoy_1       | [2020-09-06 07:09:48.618][8][info][main] [source/server/server.cc:704] exiting
envoy_1       | cannot bind '0.0.0.0:80': Permission denied
root_envoy_1 exited with code 1

參考 list

environment:
- "ENVOY_UID=0"