In the Kubernetes/Docker ecosystem there is a convention of using /healthz as a health-check endpoint for applications. Where does the name 'healthz' come from, and are there any particular semantics associated with that name?
![Where does the convention of using /healthz for application health checks come from?](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)
In the Kubernetes/Docker ecosystem there is a convention of using /healthz as a health-check endpoint for applications. Where does the name 'healthz' come from, and are there any particular semantics associated with that name?
I would like to merge arrays in YAML, and load them via ruby - some_stuff: &some_stuff - a - b - c combined_stuff: <<: *some_stuff - d - e - f I'd like to have the combined array as [a,b,c,d,e,f] I receive the error: did not find expected key while parsing a block mapping How do I merge arrays in YAML?
How do I know if a variable is set in Bash? For example, how do I check if the user gave the first parameter to a function? function a { # if $1 is set ? }
Git's internal data structure is a tree of data objects, wherein each objects only points to its predecessor. Each data block is hashed. Modifying (bit error or attack) an intermediate block will be noticed when the saved hash and the actual hash deviate. How is this concept different from block chain? Git is not listed as an example of block chains, but at least in summaries, both data structure
I'm simulating a request coming from an external service, which will not have an authenticity token. I want the test to fail if skip_before_action :verify_authenticity_token is missing. How do I do this from an Rspec request spec? Currently I'm using post as below, but it is happily accepted. post endpoint, my_json_string, {'CONTENT_TYPE' => "application/json"}
In rails 4.2 respond_with has been moved out of core into the responders gem. Beta release notes. respond_with has moved out and into its own proper home with the responders gem. Can someone please explain why? What makes the responders gem its proper home? What is wrong with it staying in the Rails gem?
We have a few jenkins slaves with one jenkins master(Linux) now. But the master is single, I have some thoughts to avoid the single point of failure instead of purchasing jenkins cloudbees: use keepAlived to set up two servers for master, one is master node, another one is backup node. They mount one NFS folder. The two servers store their jenkins files in NFS folder. If the master node is down, k
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