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Read the first chapter of https://www.nginx.com/resources/library/cloud-native-devops-with-kubernetes/ , you will love it . One of the best books about containerization and k8s and it's free as well

Table of contents: https://www.oreilly.com/library/view/cloud-native-devops/9781492040750/

If you like to support authors, don't hesitate to buy a copy; https://www.amazon.com/Cloud-Native-DevOps-Kubernetes-Applications/dp/1492040762

Also feel free to check out https://www.amazon.com/Deployment-Docker-continuous-integration-applications/dp/1786469006 I wrote if you have a chance (packtpubpub.com might have a better deal on it) and I'd love some feedback on it!

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PS: All the code in the book is at https://github.com/sgnn7/deploying_with_docker if you just want to peruse that side of things.

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PS2: I went through the Docker certification too if you want any guidance on that. Also take note that the way RH/OpenShift wants you to use containers is _vastly_ different from the way that most Kubernetes-based deployments use them so choose your certification path wisely :)

Can you post a link to anything that's comparable cpu wise in the same sleak form factor? You can get a referb mbp 15in for 1000 and a new for about 1500. It will be 10-15% faster cpu wise and won't underclock to 1.8 ghz for power saving. More likely you'll end up with a lower model that will be closer to 50% slower. The new macbook pros are also as powerful as desktop processors but the touch bar and USB C docking station for monitors are a deal breaker for me.

Edit: I stand corrected,

After doing a little research, I stand corrected other companies have started using the H processors. Probably be better with something like this.

https://www.amazon.com/MSI-GF63-9SC-066-i7-9750H-GeForce/dp/B07QF66YQB/ref=sr_1_3?keywords=i7-9750H&qid=1558220667&s=gateway&sr=8-3

I highly recommend Kubernetes Up & Running which you can read for free with an individual trial account at https://www.safaribooksonline.com/

Oh Sorry ! Its 4.99$ in Amazon Kindle and 2.99$ in https://payhip.com/b/JXRs

I raised the price as there was a lot of effort [Really the Questions will be challenging] but the gain was low around 350+ copies only sold @ 1 dollar rate. [Again out of which got 0.62 dollars only I got for each sales]

Amazon kindle link

https://www.amazon.com/Prove-Yourself-Docker-Swarm-Certification-ebook/dp/B07NCXQQYG

+1 keep what you have, adapt, upgrade if needed.

The book "Docker in Production: Lessons from the Trenches." shows multiple paths depending on your size and your requirements. The level 1 is static nodes, and a bit of bash/systemd.

We don't all need a private heroku with zero downtime deployment... so your implementation may be just ok for a couple of cycle.

Take a look at the book it's really good : http://www.amazon.com/Docker-Production-Trenches-Joe-Johnston-ebook/dp/B0141W6KYC

I also really like The Docker Book: https://www.amazon.com/Docker-Book-Containerization-new-virtualization-ebook/dp/B00LRROTI4

Paper or Kindle. Worth the $8 for a succinct carrythrough.

Small world. I'm just starting to get involved with Docker myself, and I use a Mac for all my work. I just grabbed a copy of this book yesterday, and am reading it now. I'm at the point where it goes into detail in installing Docker, and it provides detailed instructions for getting up and running on RHEL/Centos linux, Ubuntu/Debian linux, OS/X, and Windows. The OS/X instructions basically boil down to:

1. $wget https://download.docker.com/mac/stable/Docker.dmg
   
   
2. Install it
   
   I'm on a 2014 Mackbook with 16GB RAM, so you shouldn't have any issues with it.

I got this. I’m gonna upgrade it to Windows Server 2016.

It was working having flashed raspbian straight to the cards. This was actually working for me for quite a while. Somewhere along the way it stopped working. I dont know if it was a kernel update, a docker update, or something else. While things were "just working" I stopped building images for a while, and ran into this issue when I tried to update some stuff.

So this is occuring with raspbian and hypriot being flashed directly to the card. df output seems to show that there is plenty of space, so its not the "NOOBS using up all the sd card space, use raspi-config to expand :

>$ df -h

>Filesystem Size Used Avail Use% Mounted on

>/dev/root 29G 1.1G 26G 4% /

>devtmpfs 427M 0 427M 0% /dev

>tmpfs 431M 0 431M 0% /dev/shm

>tmpfs 431M 12M 420M 3% /run

>tmpfs 5.0M 0 5.0M 0% /run/lock

>tmpfs 431M 0 431M 0% /sys/fs/cgroup

>/dev/mmcblk0p1 64M 31M 34M 48% /boot



It seems to be less about disk space, and more about IO errors. Or in some cases, network errors. Trying to install a bunch of php stuff results in item 7 and 13 failing on "no space left!" but then continues on to item 43 with no issue. i dont think it would be able to continue on if there was actual disk space issues. (On some occasions it will just flat out say IO error: ERROR: http://dl-cdn.alpinelinux.org/alpine/edge/main: IO ERROR )

But it seems highly weird to me that several raspberry pi's would go out at the same time, only having issues with docker, but it seems equally odd that I'm the only one having issues with it.

This: https://www.amazon.com/gp/product/B00VH8ZW02/ is the USB hub im using to power them. is there something with this that could potentially have caused permanent damage?