（Fabric学习八）部署区块链浏览器Hyperledger explorer

区块链浏览器Hyperledger explorer：

区块链浏览器：官方网站https://github.com/hyperledger-labs/blockchain-explorer

可以看到他需要以下几个文件 ：

1. docker-compose.yaml
2. test-network.json
3. config.json

一、docker容器配置文件docker-compose-explorer.yaml

注意：如果从来没有设置过postgreSQL，那最好使用默认的账号hppoc和密码password，不然会报role '你自己的定义的账号' does not exist的错误导致explorer容器打开后秒挂，无法访问。

文件中要确保各项端口、IP对应，同时volumes中挂载的文件位置要正确。 

version: '2.0'


volumes:
    pgdata:
    walletstore:

services:

    explorerdb.mynetwork.com:
        image: hyperledger/explorer-db:latest
        container_name: explorerdb.mynetwork.com
        hostname: explorerdb.mynetwork.com
        ports:
            - 5432:5432
        environment:
            - DATABASE_DATABASE=fabricexplorer
            - DATABASE_USERNAME=hppoc
            - DATABASE_PASSWORD=password
        healthcheck:
            test: "pg_isready -h localhost -p 5432 -q -U postgres"
            interval: 30s
            timeout: 10s
            retries: 5
        volumes:
            - pgdata:/var/lib/postgresql/data


    explorer.mynetwork.com:
        image: hyperledger/explorer:latest
        container_name: explorer.mynetwork.com
        hostname: explorer.mynetwork.com
        ports:
            - 9090:8080
        extra_hosts:
            - "explorerdb.mynetwork.com:192.168.235.129"
            - "orderer0.example.com:192.168.235.129