1. What is the gray release
When a interface, incompatibility upgrade, you can use the version number of the transition, the version number of different services does not refer to each other.
Version can migrate the following steps:
In the low-pressure time period, the first half providers to upgrade to the new version
Then all consumers upgrade to the new version
Then the remaining half of the providers upgrade to the new version
2, modify the provider
3, modify the configuration class provider
4, modify the configuration class consumers
You can use a specific version, you can use fuzzy version *
