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Semelhante a More Modern Perl - YAPC 2016
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More Modern Perl - YAPC 2016
- 1. More Modern Perl With Docker Jason (Jayce^) Hall - BlueHost jayce@lug-nut.com
- 2. What is Modern Perl? New Versions Update Cycles New Tools
- 3. But we already have tools for that perlbrew plenv carton Software Collections
- 4. The Absolute Basics Containers Just what you need Encourage small services
- 5. Pre Built Images Docker Perl Pick your base Optimize
- 6. Beyond the beginning REPL is nifty, but… I want a current perl To run this code I have And add my deps
- 7. First Note You can build up an image and save your whole app Docker run, Add your needs, run Or have a common base that just mounts your application code docker build / tag / push Registry Server
- 8. Running our first code Pick our image Mount our code directory Install deps … Profit
- 10. Some Optimizations Which Base image Chain Commands Clean up work info Build in your dependencies Build on other images
- 11. Interacting with others Docker-compose Management interface Hostname setup Service groups Runtime options
- 12. Automating a system Compose your alpha/beta/stage Build your images runtime ready Upgrade to other tools AWS Kubernetes ocean of others
- 13. –Johnny Doe But What About A Live Demo
- 15. More Modern Perl With Docker Jason (Jayce^) Hall - BlueHost jayce@lug-nut.com
Notas do Editor
- What is Modern Perl? How can you get “more” modern?
- a renaissance frequency, but you need to update
- Does not remove usefulness of any of these, in fact can make them even more useful test your code against multiple version but you have to compile and maintain each one Carton get the modules you use - if it works in your toolchain SCL - Redhat/centos RPM based custom environments Why beyond “Hipster” reasons?
- Not for full VM’s really, look at the upcoming vagrant talk for that The next generation of architecture Slice out just the parts you need from a VM Less exposure Less data to cart around
- Basic containers with just the engine you want to try Perl latest specific perl versions, options (eg threading) and yes, perl6
- What comes in the image? NOTHING.. You need to start adding things so you can DO things, who programs without CPAN?
- grab the basic and play, start adding in modules you use save out your state, to use for later Have your script pull in what it needs Better, set one up with *your* use case, and start from that point
- Have the base commands in the image See, it’s that easy…. Interactive terminal Clean up our container after ourselves Mount my project directory under /app which image am I based off of What command do I run? could be dzil authordeps | cpanm, or carton run
- Well, who wants to build up that command line every time? Build your arguments, and extra features into a file Startup your app, process, etc just by feeding your file into docker Build an image with your common starting point, or your final product Docker pages have plenty of info and examples about better practices, such as && and working with image layers Default command (my REPL in this case) but overrides with command line usage
- Standard “Perl” library was > 750mb! — If I’m running a container that is *only* the things I *need* it shouldn’t have to be that large! Current standard starts at 255 - 285 mb Built one off of Alpine and it was 75mb
- What if you wanted to describe multiple containers at once? Docker file for a system of containers Get them to know how to interact with each other All your docker command line arguments Automate a “system” Define private network space Other tools Define custom locations, registry servers Pull update build run log I can reference by name : so refer to “mongo” or “redis” box in their DSN
- docker-compose Local box can push build elsewhere or quickly use prebuilt images to replicate including out to live - please learn when this is right (eg not db)
- What is Modern Perl? How can you get “more” modern?