让我对 docker swarm mode 的基本原理豁然开朗的几篇英文博文
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关于 docker swarm mode 的基本架构
How does it work? Docker! Part 1: Swarm general architecture
关于 Overlay Network
Demystifying Docker overlay networking
How does it work? Docker! Part 2: Swarm networking
关于服务发现与负载均衡(Service Discovery and Load Balancing)
How does it work? Docker! Part 3: Load balancing, service discovery and security!
Blocking ingress traffic to Docker swarm worker machines
关于 Rolling Updates
Rolling updates with Docker Swarm
1) Pull the image specified in the
docker service update
command2) Remove the current (now old) container from its internal load balancer
3) Send a
SIGTERM
signal to the container and give it a grace period of 10 seconds to exit gracefully. If after 10 seconds the service hasn’t yet given up, Docker will terminate the process with aSIGKILL
signal. Both the signal and the grace period can be tweaked with the--stop-signal
and the--stop-grace-period
flags when creating/updating the service3) Start the new container
4) Add the new container to its internal load balancer
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