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  • dgraph 图数据库docker-compose安装试用

    备注:
       使用docker-compose进行安装
     
    1. docker-compose.yml 
    version: "3"
    services:
      zero:
        image: dgraph/dgraph:latest
        volumes:
          - /tmp/data:/dgraph
        ports:
          - 5080:5080
          - 6080:6080
        restart: on-failure
        command: dgraph zero --port_offset -2000 --my=zero:5080
      server:
        image: dgraph/dgraph:latest
        volumes:
          - /tmp/data:/dgraph
        ports:
          - 8080:8080
          - 9080:9080
        restart: on-failure
        command: dgraph server --my=server:7080 --memory_mb=2048 --zero=zero:5080
      ratel:
        image: dgraph/dgraph:latest
        volumes:
          - /tmp/data:/dgraph
        ports:
          - 8081:8081
        command: dgraph-ratel
    2. 启动
    docker-compose up -d
    3. 管理
       
    浏览器打开http://ip:8081
    按照提示输入连接的server http://ip:8080
     
    4. 使用
    a. 添加数据
    curl localhost:8080/mutate -H "X-Dgraph-CommitNow: true" -XPOST -d $'
    {
      set {
       _:luke <name> "Luke Skywalker" .
       _:leia <name> "Princess Leia" .
       _:han <name> "Han Solo" .
       _:lucas <name> "George Lucas" .
       _:irvin <name> "Irvin Kernshner" .
       _:richard <name> "Richard Marquand" .
    
       _:sw1 <name> "Star Wars: Episode IV - A New Hope" .
       _:sw1 <release_date> "1977-05-25" .
       _:sw1 <revenue> "775000000" .
       _:sw1 <running_time> "121" .
       _:sw1 <starring> _:luke .
       _:sw1 <starring> _:leia .
       _:sw1 <starring> _:han .
       _:sw1 <director> _:lucas .
    
       _:sw2 <name> "Star Wars: Episode V - The Empire Strikes Back" .
       _:sw2 <release_date> "1980-05-21" .
       _:sw2 <revenue> "534000000" .
       _:sw2 <running_time> "124" .
       _:sw2 <starring> _:luke .
       _:sw2 <starring> _:leia .
       _:sw2 <starring> _:han .
       _:sw2 <director> _:irvin .
    
       _:sw3 <name> "Star Wars: Episode VI - Return of the Jedi" .
       _:sw3 <release_date> "1983-05-25" .
       _:sw3 <revenue> "572000000" .
       _:sw3 <running_time> "131" .
       _:sw3 <starring> _:luke .
       _:sw3 <starring> _:leia .
       _:sw3 <starring> _:han .
       _:sw3 <director> _:richard .
    
       _:st1 <name> "Star Trek: The Motion Picture" .
       _:st1 <release_date> "1979-12-07" .
       _:st1 <revenue> "139000000" .
       _:st1 <running_time> "132" .
      }
    }
    ' | python -m json.tool | less
    
    b. 查询(query)
    curl localhost:8080/query -XPOST -d $'
    {
      me(func:allofterms(name, "Star Wars")) @filter(ge(release_date, "1980")) {
        name
        release_date
        revenue
        running_time
        director {
         name
        }
        starring {
         name
        }
      }
    }
    ' | python -m json.tool | less
    4. 参考资料
    https://docs.dgraph.io/get-started/#step-1-install-dgraph
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  • 原文地址:https://www.cnblogs.com/rongfengliang/p/8087082.html
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