Two scoops of Django - Deployment

Two Scoops of Django Best Practices for Django 1.6
Ch.27 Deployment: Platforms as a Service
Ch.28 Deploying Django Project

Transcript

1. Best Practices for Django 1.6 TWO SCOOPS OF DJANGO Ch.27 Deployment: Platforms as a Service Ch.28 Deploying Django Project Michelle Leu @flywindy 2015/07/14
2. ABOUT THIS BOOK • Not really for new comer • Author: • Daniel Greenfeld & Audrey Roy • Django Packages Website • New version for Django 1.8 2
3. DEPLOYMENT 3 Platform as a Service (PaaS)
4. CLOUD SERVICE 4 Build Deploy Buy
5. EVALUATION 5 Compliance SSL/HTTPS, PCI Level 1 SSL/HTTPS Pricing
 (Free Limit) Sleeps after 30 mins of inactivity
 Must sleep 6 hours in a 24 hour period one app, no custom domain, one app, MySQL. Uptime 99.99x% ? Staffing 24×7×365 (free in business hour) forums, stackoverflow Scaling From command line / dashboard By switch diff pricing plan Documentation Step by step tutorial (1.7) Wiki, Django 1.3 Performance 512 RAM, sleep 6hrs / day (free) low bandwidth, CPU allowance (free) Geography United States or Europe Amazon's us-east-1c Company stability Founded in 2007, acquired by Salesforce.com in 2010 PythonAnywhere LLP (2012)
6. LIVE DEMO ♥ 6
7. 7 • Project Layout • Create Heroku app • Setup environment variables • Git push • Django migrate
8. 8 • Project Layout • Open Bash console • git clone, creating a virtualenv and pip install • Setup environment variable • Setup static files • WSGI Settings
9. SUMMARY 9 Limit of app 5 1 Database PostgresSQL sqlite3, MySQL Custom domain ✓ ✗ (only username) Sleeping Sleeping at least 6hrs / day No sleeping Scheduled tasks Heroku Scheduler (Unlimited) 1 daily task Logging heroku logs Online log files (access, error, server) Deployment Command line, more configs Online IDE / Console
10. DEPLOYMENT 10 Single-Server for Small Projects
11. SINGLE-SERVER FOR SMALL PROJECTS 11 HTTP + WSGI App server Process Manager DB Server 1. Nginx + uWSGI 2. Nginx + Gunicorn 3. Apache + mod_wsgi 1. Supervisord 2. init scripts 1. PostgresSQL 2. MySQL
12. DEPLOYMENT 12 Multi-Server for Medium to Large Projects
13. MULTI-SERVER FOR MEDIUM TO LARGE PROJECTS 13 HTTP + WSGI App server Process Manager DB Server CDN for static files Caching
 Server 1. Redis for caching & async message queue 2. Memcached 3. Varnish
14. AUTOMATED, REPEATABLE DEPLOYMENTS 14
15. Remote execution CURRENT INFRASTRUCTURE AUTOMATION TOOLS • Installing packages • Running commands on remote servers. • Starting services, and restarting them under certain conditions. • logging and returning the response from the server. 
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16. CURRENT INFRASTRUCTURE AUTOMATION TOOLS 16 Python Ruby
17. SUMMARY 17 • Single-Server for Small Projects -> PaaS • Multi-Server for Medium to Large Projects . • Horizontal vs. Vertical Scaling • Scaling Horizontally and Sessions

18. REFERENCE • http://twoscoopspress.org/products/two-scoops-of-django-1-6 • https://devcenter.heroku.com/ • https://www.pythonanywhere.com/wiki/ • http://djangogirlstaipei.gitbooks.io/django-girls-taipei-tutorial/ content/django/deploy.html • http://tutorial.djangogirls.org/en/deploy/index.html 18
19. THANKS FOR YOUR LISTENING