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"""We're hiring!"""from paylogic import (code, highavailability, challenge)from netherlands import (fun, nature, bikes, beer)
def hire(you): email('[email protected]', you.cv) return challenge.accept()
"""We're hiring!"""from paylogic import (code, highavailability, challenge)from netherlands import (fun, nature, bikes, beer)
def hire(you): email('[email protected]', you.cv) return challenge.accept()
intro
deploy
easy
good at it
everyone
Product Owner
Stable
latest versions
big changes
gradually
acceptance
stable
works
Done
breaks
don't panic
forces
Right Things
repeatable
identical
deployment
environments
backwardscompatible
rollback
components
tests
yes it does!
start working
energy
download
setup.py
broken
dependency
pip install
setup.py
nope
docs&
hack
for(;;)
pip uninstall giveafuck
Life life = new Life()
taming a lion1800s
beat into submissionfear
guns & whipsconfusion
taming a lionpresent
understandconditioning
behaviour → signalreward
trust
taming a lion1800s
beat into submissionfear
guns & whipsconfusion
deploy by hand, hackfear
guns & whipsconfusion
deploy by hand, hackbut it works!guns & whips
confusion
deploy by hand, hackbut it works!
hack till it worksconfusion
deploy by hand, hackbut it works!
hack till it worksspecial decisions
taming a lionpresent
understandconditioning
behaviour → signalreward
trust
deploy: hardconditioning
behaviour → signalreward
trust
deploy: hardCI
behaviour → signalreward
trust
deploy: hardCI
push → test → greenreward
trust
deploy: hardCI
push → test → greenhappytrust
deploy: hardCI
push → test → greenhappy
it works in Live
what you needwhat you need
team
working software
repeatable build
deployment
rollback
release
team
committedto
quality
processcan't
compensate
pip installgiveafuck
everyonedeploys
identicalenvironment
everyoneis
responsible
learn
workingsoftware
tests
unit tests
functional tests
acceptance tests
acceptance:
user'sviewpoint
continuousintegration
quickreliable
slow test: fail
no pylint: fail
keep it green
check in often
always ready torollback
responsible:dev + qa
quality
broken:triage
right now
vs
asap
repeatablebuild
automated
used by everyoneeverywhere
no manual changes
deploymentscript
used by everyoneeverywhere
deploy.sh<environment>
<version>
not just code
configurationinfrastructure
always followpipeline
even on emergencies
buggy changesunknown stateirreproducible
what went wrong?
what went wrong?
rollback
blue-greengreen is live
release to bluetest, accept
blue is new green
canary
show new versionto a few
database:keep backwards-
compatible
release
last stepautomatic
small changesfrequent
experience
less risk
maybenot for you
tips
split in components
rehearse releases
get very goodat them!
infrastructure
manage and test
all environments equal
use vagrant
automate everything
(not possible?document)
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