ROLL OUT Code Deployments that do not suck Srdjan Vranac // code4hire.com // @vranac 

business owner, developer, consultant, mercenary, writing terrible code that performs exceptionally, wrangling elePHPants and Pythons, obsessed with process automation, interested in continuous integration and delivery, clean code, testing, best practices and distributed systems 

WARNING! 

DOCKER?
 NO 

WHO ARE YOU? 

STRIVE FOR BETTER 

CAN YOU…? 

AS GOOD AS 

ELEMENTS OF DEPLOYMENT • System deployment • Application deployment • Configuration deployment • Database deployment 

SYSTEM DEPLOYMENT 

APPLICATION DEPLOYMENT 

CONFIGURATION DEPLOYMENT 

DATABASE DEPLOYMENT 

No content

MANUAL DEPLOYMENT 

PUSH TO DEPLOY #!/bin/sh git --work-tree=/var/www/domain.com --git-dir=/var/repo/site.git checkout -f git remote add live ssh://[email protected]/var/repo/site.git 

ANSIBLE OR SIMILAR 

FABRIC from fabric.api import *
 from time import strftime, gmtime
 
 env.forward_agent = True
 env.roledefs = {
 'production': ['[email protected]'],
 }
 WEBSITE_PATH = "/var/www/project"
 
 def _deploy_server(version):
 with cd(WEBSITE_PATH):
 run('git fetch')
 run('git reset --hard %s' % version)
 
 @notify
 @task
 def deploy():
 time = strftime("%Y-%m-%d-%H.%M.%S", gmtime())
 tag = "prod-%s" % time
 local('git checkout master')
 local('git tag -a %s -m "Prod"' % tag)
 local('git push --tags')
 env.roles=['production']
 execute(_deploy_server, tag)
 
 @notify
 @task
 def rollback(num_revs=1):
 with cd(WEBSITE_PATH):
 run('git fetch')
 tag = run('git tag -l prod/* | sort | tail -n' + \
 str(1 + int(num_revs)) + ' | head -n1')
 run('git checkout ' + tag) 

MIGRAINES AND MIGRATIONS • Flyway • Liquibase • c5-db-migration • dbdeploy • mybatis • MIGRATEdb • migrate4j • dbmaintain • AutoPatch 

CONTINUOUS D* 

FULL AUTO? YOU NEVER GO FULL AUTO 

YOU ARE PAID TO MAKE THINGS HAPPEN… FRICTIONLESSLY 

THANK YOU! QUESTIONS? THE END