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Marc Clifton wrote: what it is and why I'd use it
Exactly!!
I just cannot understand the hype around it.
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I dont' use it either, but I've been following it since the beginning.. seems the big thing with it is that the container with all the bits already installed into it becomes the deliverable that someone runs on their server.
Remember that How it feels to learn JavaScript in 2016[^] article a while back? Can you imagine writing the docs so someone who's never seen those technologies can get the right versions of them installed on the server? Don't bother, just do it yourself into a Docker container and ship 'em the container.
We can program with only 1's, but if all you've got are zeros, you've got nothing.
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That is exactly what I could do with a VM.
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Absolutely, but an entire VM takes a ton more resources to run since there's an entire OS in it. Think of a Docker container like a light weight VM.
We can program with only 1's, but if all you've got are zeros, you've got nothing.
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Abhinav S wrote: I just cannot understand the hype around it.
Docker would make sense if you want to build microservices, where each service will run independently and deployed separately without impacting other services that the app needs.
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I would really like to try Dockery[^] but I guess it's out of the question...
DURA LEX, SED LEX
GCS d--- s-/++ a- C++++ U+++ P- L- E-- W++ N++ o+ K- w+++ O? M-- V? PS+ PE- Y+ PGP t++ 5? X R++ tv-- b+ DI+++ D++ G e++>+++ h--- ++>+++ y+++* Weapons extension: ma- k++ F+2 X
If you think 'goto' is evil, try writing an Assembly program without JMP. -- TNCaver
When I was six, there were no ones and zeroes - only zeroes. And not all of them worked. -- Ravi Bhavnani
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When I saw the word "Pricing" on the web site, I lost interest.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Pricing ist for hosting containers in their Datacenter or for using their Cloud. The technology itself is free to use as far as I know. You can do the hosting yourself
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It is free to use, I recently set it up on one of my servers, and even I (with somewhat limited knowledge of linux) was able to get it running. Took about a day to get it and the services I wanted to use running.
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Tried it on MAC. Just out of curiosity, I've created a simple .NET Core app and then deployed it on docker. So far good and it works just fine.
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Try a WPF app...
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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I don't do WTF WPF 
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there are plenty on cp that you could try with.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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does CP have beer and pizza that I could try on? 
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From the site: Docker is the world’s leading software containerization platform.
I didn't know 'containerization' was a thing. 
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They have thingified it.
DURA LEX, SED LEX
GCS d--- s-/++ a- C++++ U+++ P- L- E-- W++ N++ o+ K- w+++ O? M-- V? PS+ PE- Y+ PGP t++ 5? X R++ tv-- b+ DI+++ D++ G e++>+++ h--- ++>+++ y+++* Weapons extension: ma- k++ F+2 X
If you think 'goto' is evil, try writing an Assembly program without JMP. -- TNCaver
When I was six, there were no ones and zeroes - only zeroes. And not all of them worked. -- Ravi Bhavnani
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I use it for cross compilation without cluttering the file system or accidentally referencing a native element of the tool chain ... almost like a temporary chroot jail. And I can easily share the environment with other members of the team.
Other teams at my company use it for deploying services across a server farm.
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Here's a use case for you. Google released an English language parser based on their tensorflow machine learning platform. I could download all the code from their git repository, set up a VM with all the right Java bits, and go through a 3 hour compilation process, and maybe get everything built successfully...
...or, I can download their Docker image and run that image in a Docker container on my machine in a fraction of the time and get to playing with the English parser which is what I was really interested in.
I'm not a Docker expert, but I've been dabbling in it and I see potential. As others have mentioned, it really depends on your use case (insert quote about everything looking like a nail when you're holding a hammer). In my opinion, it is a slightly different take on virtualization. It seems more lightweight than other virtualization platforms (I have used VMware in the past, tend to use VirtualBox these days), but part of that is because it appears aimed at temporary resources.
Hope this info helps!
Cheers,
Carl
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OK. Thats a cool use case.
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It works for me well with neo4j, the graphing database. I was able to use it for multiple instances of neo on the same server. So far no problems.
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Hm, I wonder if this would work for running a Windows game on Linux. You don't port the game, you just pop it into an appropriately provisioned Docker container and it's now 'Linux' compatible.
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No, Docker runs on linux hosts, and merely segregates the running container from the underlying OS. There is no "translation" of Windows-specific functionality to linux equivalents.
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Did anyone fire Republicons at the hospital?
The only things known to go faster than ordinary light is monarchy, according to the philosopher Ly Tin Weedle. He reasoned like this: you can’t have more than one king, and tradition demands that there is no gap between kings, so when a king dies the succession must therefore pass to the heir instantaneously. Presumably, he said, there must be some elementary particles — kingons, or possibly queons — that do this job, but of course succession sometimes fails if, in mid-flight, they strike an anti-particle, or republicon. His ambitious plans to use his discovery to send messages, involving the careful torturing of a small king in order to modulate the signal, were never fully expanded because, at that point, the bar closed. --- The Late, Great, Terry Pratchett, "Mort"
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Wikipedia seems to think so: List of longest-reigning monarchs - Wikipedia[^]
If Bess manages to eke out another 2068 days or so, she'll pass him for length of time on the throne, too. She might even make the top of the list of all time longest monarchs, though unlikely. In order to do so she would have to live past her 108th birthday. That's not an impossibility. The Queen Mum hit 101, so there might be some longevity genes in the pool.
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