services:
  ssserver:
    image: mritd/shadowsocks:3.2.0
    restart: always
    ports:
      - 8973:6443 
      - 8971:6500
    environment:
      SS_CONFIG: "-s 0.0.0.0 -p 6443 -m chacha20 -k My.123 --fast-open"
      KCP_FLAG: "false"
      KCP_MODULE: "kcpserver"
      KCP_CONFIG: "-t 127.0.0.1:6443 -l :6500 -mode fast2"

shadowsocks客户端连接8973端口，即可。