docker建立了網路但是加入網路失敗解決辦法

1. 建立乙個docker網路

docker network create fabric-ca

version: '2'

services:
ca-root:
image: hyperledger/fabric-ca:1.4
container_name: ca-root
ports:
- "7054:7054"
environment:
- fabric_ca_home=/etc/hyperledger/fabric-ca-server
volumes:
- "/root/fabric-ca/rootcaserver:/etc/hyperledger/fabric-ca-server"
command: sh -c 'fabric-ca-server start -b admin:adminpw --cfg.identities.allowremove --cfg.affiliations.allowremove'
networks:
- fabric-ca

version: '2'

networks:
fabric-ca:
external: true
services:
ca-root:
image: hyperledger/fabric-ca:1.4
container_name: ca-root
ports:
- "7054:7054"
environment:
- fabric_ca_home=/etc/hyperledger/fabric-ca-server
volumes:
- "/root/fabric-ca/rootcaserver:/etc/hyperledger/fabric-ca-server"
command: sh -c 'fabric-ca-server start -b admin:adminpw --cfg.identities.allowremove --cfg.affiliations.allowremove'
networks:
- fabric-ca

external: true

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