211.93.39.19,谢光球,mxt
dockercompose v3官网文档:
dockercompose中文:
借鉴:
mode replicated
mode: global 默认是服务器负载均衡自己分配
mode: replicated
replicas: 6 // 自己定义的台数
deploy:
mode: global
deploy:
mode: replicated
replicas: 6
placement
约束, 服务运行在哪个主机上面
node attribute | matches | example |
node.id | node id | node.id==2ivku8v2gvtg4 |
node.hostname | node hostname | node.hostname!=node-2 |
node.role | node role | node.role==manager |
node.labels | user defined node labels | node.labels.security==high |
engine.labels | docker engine's labels | engine.labels.operatingsystem==ubuntu 14.04 |
placement:
constraints:
- node.role == manager
- engine.labels.operatingsystem == ubuntu 14.04
resources
限制硬件信息
resources:
limits:
cpus: '0.50'
memory: 50m
reservations:
cpus: '0.25'
memory: 20m
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