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BUILDING AND DEPLOYING PHP APPLICATIONS
MARTINS SIPENKO
BUILDING AND DEPLOYING PHP APPLICATIONS
ABOUT ME
▸ Located in Riga, Latvia
▸ Worked with IT since around 2002
▸ Lead engineer @KASKO, a fintech startup
▸ Student at University of Latvia
▸ AWS Certified
BUILDING AND DEPLOYING PHP APPLICATIONS
@MARTINSSIPENKO
BUILDING AND DEPLOYING PHP APPLICATIONS
SOME TERMINOLOGY
BUILDING AND DEPLOYING PHP APPLICATIONS
BUILD (VERB) PROCESS
▸ Transform which converts a code repo into an "executable" bundle known as a build
BUILDING AND DEPLOYING PHP APPLICATIONS
BUILD (NOUN)
▸ An artifact which is being produced during the build process that includes source code and compiled assets
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT (VERB)
▸ Process of putting (deploying) the BUILD to servers
QA
Staging
Production
BUILDING AND DEPLOYING PHP APPLICATIONS
THE BUILD PROCESS
BUILDING AND DEPLOYING PHP APPLICATIONS
THE BUILD PROCESS
▸ Keep source code in version control
▸ Automatically generated things never are committed to version controlvendor/, node_modules/, generated JavaScript, CSS, documentation, etc..
▸ Continuous Integration configured to build each commit that is pushed to GitHub
BUILDING AND DEPLOYING PHP APPLICATIONS
QUICK TIP 1:
▸ Your project is kept in a known good state
▸ All developers operate on the same code-base
▸ Tests do not suddenly fail because of changes in one of its dependencies
ALWAYS COMMIT YOUR COMPOSER.LOCK FILE INTO YOUR SOURCE CODE REPOSITORY
BUILDING AND DEPLOYING PHP APPLICATIONS
WHAT HAPPENS DURING THE BUILD PROCESS?
BUILDING AND DEPLOYING PHP APPLICATIONS
1. INSTALL PROJECT DEPENDANCIES
composer install --optimize-autoloader --prefer-dist --no-interaction
npm install
bower install
BUILDING AND DEPLOYING PHP APPLICATIONS
2. STATIC CODE ANALYSIS
▸ codesniffer - coding standards
▸ phpmd - potential code issue detection
▸ phpcpd - duplicate code detection
▸ phploc - measure size of your project
BUILDING AND DEPLOYING PHP APPLICATIONS
3. TESTING
▸ Run unit testsphpunit
▸ Run "local" integration/acceptance testsphpunit, codeception, behat
▸ Testing frameworks can produce code coverage reports
BUILDING AND DEPLOYING PHP APPLICATIONS
4. COMPILE
▸ Bundle and minify JavaScript
▸ LESS/SASS -> CSS
▸ Optimize images
▸ Generate fonts from SVG
▸ Cache bust your static assets
▸ And many more...
BUILDING AND DEPLOYING PHP APPLICATIONS
5. CREATE BUILD PACKAGE
▸ a .tar.gz or .zip archive
▸ Only include things you need to run your application
▸ Exclude:
▸ things that were transformed into compiled assets (LESS, SASS, Coffee)
▸ .git
▸ node_modules/
▸ tests/
▸ ...
BUILDING AND DEPLOYING PHP APPLICATIONS
5. CREATE BUILD PACKAGE
$ rsync -a \ --exclude .git/ \ --exclude ./build/ \ --exclude node_modules/ \ --exclude tests/ \ --exclude vendor/phpunit/ \ --exclude .travis.yml \ --exclude .gitignore \ --exclude .env.example \ . /tmp/build-$BUILD_NUMBER
$ cd /tmp/build-$BUILD_NUMBER
$ tar -zcf /tmp/$REPO_NAME-$BUILD_NUMBER.tar.gz .
BUILDING AND DEPLOYING PHP APPLICATIONS
6. STORE BUILD PACKAGE
▸ Upload the build package to some storage
▸ AWS S3
▸ Dropbox
▸ NFS
▸ ...
BUILDING AND DEPLOYING PHP APPLICATIONS
QUICK TIP 2:
▸ Know which exact commit you have in the build
▸ Handy when you know the build number that is currently deployed to some environment
▸ You can check out and debug the code that was in particular build
TAG THE COMMIT WITH THE BUILD NUMBER AND PUSH THAT TAG TO GITHUB
BUILDING AND DEPLOYING PHP APPLICATIONS
OUTCOME: BUILD PACKAGE
▸ Can be deployed to any environment
▸ Does not change as you move it around
▸ Does not contain unnecessary assets
▸ Easy to download, and install
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYING THE BUILD
BUILDING AND DEPLOYING PHP APPLICATIONS
HOW DO YOU DEPLOY?
BUILDING AND DEPLOYING PHP APPLICATIONS
HOW TO DEPLOY?
▸ FTP
▸ SSH
▸ CRON
▸ 3rd party services
▸ custom solution
BUILDING AND DEPLOYING PHP APPLICATIONS
HOW TO DEPLOY?
▸ FTP
▸ SSH
▸ CRON
▸ Deployment Agent
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT USING SSH
Pros:
▸ Easy to implement
▸ Rolling deployment possible
Cons:
▸ Needs access to server via SSH
▸ Needs to know location of each instance
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT USING CRON
▸ CRON task that runs script every minute
▸ Script checks versions file stored somewhere (could also be S3)
▸ If required version differs from actual:
▸ download build package
▸ extract
▸ run post deployment hooks
▸ swap symlinks
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT USING CRON
Pros:
▸ Fast
▸ Works well for small sites
▸ Easy to implement
Cons:
▸ No rolling deployment
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT USING AGENT
▸ Agent runs on every instance
▸ Agent announces itself to centralized deployment tool
▸ Deployment tool orchestrates code deployments to every instance
BUILDING AND DEPLOYING PHP APPLICATIONS
DEPLOYMENT USING AGENT
Pros:
▸ Deployment does not require access via SSH
▸ Deployments are orchestrated so many strategies can be used: one by one, 50/50, all
Cons:
▸ Hard to implement
BUILDING AND DEPLOYING PHP APPLICATIONS
QUICK TIP 3:
▸ Humans make mistakes
▸ Works the same on each run
▸ Deployment scripts can be considered as documentation
▸ Less human time spent doing manual labor
AUTOMATE YOUR DEPLOYMENT PROCESS TO MAXIMUM
BUILDING AND DEPLOYING PHP APPLICATIONS
OTHER OPTIONS
BUILDING AND DEPLOYING PHP APPLICATIONS
OTHER OPTIONS
▸ Build VM Image (AMI) with code and software to run it
▸ Pro: Very robust,
▸ Con: but quite slow process
▸ Build Docker images
▸ Pro: Much faster and smaller than VM Images
▸ Con: Not really clear how to do automated deployments
BUILDING AND DEPLOYING PHP APPLICATIONS
SOME TOOLS
BUILDING AND DEPLOYING PHP APPLICATIONS
CONTINUOUS INTEGRATION (CI)
▸ Hosted (SaaS)
▸ TravisCI
▸ CircleCI
▸ CodeShip
▸ ...
▸ Self hosted
▸ Jenkins
▸ Bamboo
▸ ...
BUILDING AND DEPLOYING PHP APPLICATIONS
CODE DEPLOYMENT
▸ 3rd party
▸ AWS CodeDeploy
▸ CodeShip
▸ ...
▸ Capistrano
▸ Fabric
▸ Custom
BUILDING AND DEPLOYING PHP APPLICATIONS
QUICK TIP 4:
▸ Application should use environment variables for configuration
▸ Values of env variables are different for in environment
▸ Env vars are easy to change between deploys without changing any code
DO NOT PUT ANY CONFIG IN GIT OR BUILD PACKAGE
BUILDING AND DEPLOYING PHP APPLICATIONS
QUICK TIP 5:
READ THIS BOOK!CONTINUOUS DELIVERY Jez HumbleDavid Farley
BUILDING AND DEPLOYING PHP APPLICATIONS
Q&A?
BUILDING AND DEPLOYING PHP APPLICATIONS
MERCI!
https://joind.in/talk/ad2c5@martinssipenkomartins.sipenko@gmail.com
BUILDING AND DEPLOYING PHP APPLICATIONS
PLEASE GIVE FEEDBACK
https://joind.in/talk/ad2c5@martinssipenkomartins.sipenko@gmail.com
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