So you want to be a full-stack developer? How to build a full-stack python web application by Kate Heddleston

Transcript

1. Full-stack Python Web Applications
2. Kate Heddleston @heddle317
3. Python is often one part of a much larger system.
5. What we’re going to talk about... 1. A (semi) typical web application 2. Dev, staging, production, deploy system 3. Helpful python libraries
6. What we’re not going to talk about... • Massively scalable web applications. • Every single installation on the machine. • Nitty gritty details of anything.
7. Web Application
8. Parts of a Stack 1. Operating System 2. Web Server 3. Database 4. Application Language
9. Web Server Apache mod_wsgi Application Code Python Application Code Python
10. Postgres Database Data
11. Web Server Apache mod_wsgi Application Code Python Postgres Database
12. Web Server Application Code Database
13. Web Server Nginx/ Gunicorn Apache/ mod_wsgi
14. Application Code Frameworks Python libraries Frontend Static Files (maybe)
15. Database PostgreSQL MySQL SQLServer Redis MongoDB
16. Web Server Application Code Database Logging
17. Logging Log files on the machine
18. Web Server Application Code Logging Version Control Database
19. Version Control git svn Github Bitbucket
20. Web Server Application Code Logging Version Control Database SMTP Server
21. SMTP Server PostmarkApp Sendgrid Amazon SES
22. Web Server Application Code Logging Version Control Database SMTP Server Data Store Async Tasks
23. Async Frameworks Twisted Tornado Async Tasks Python-rq/Redis Celery/RabbitMQ
24. Web Server Application Code Logging Version Control Database SMTP Server Data Store Async Tasks !Exception Handling!
25. !Exception Handling! Emails
26. Web Server Application Code Logging Version Control Database SMTP Server Data Store Async Tasks !Exception Handling!
27. Web Server Application Code Logging Version Control Database SMTP Server Data Store Async Tasks !Exception Handling!
28. Web Server Application Code Logging Version Control Database SMTP Server Data Store Async Tasks !Exception Handling! Cache
29. Cache Memcached Redis Varnish
30. Web Server Application Code Logging Database Data Store Async Tasks !Exception Handling! Cache Monitoring
31. Monitoring New Relic Nagios Pingdom
32. Web Server Application Code Logging Database Data Store Async Tasks !Exception Handling! Cache
33. Web Server Application Code Logging Database Data Store Async Tasks !Exception Handling! Cache
34. !Exception Handling! Emails Sentry
35. Web Server Application Code Logging Database Data Store Async Tasks !Exception Handling! Cache
36. Logging Log Server Loggly Splunk
37. Web Server Application Code Logging Database Data Store Async Tasks !Exception Handling! Cache
38. Web Server Application Code Database Data Store Async Tasks Cache Web Server Application Code Cache Load Balancer
39. Logging !Exception Handling! Monitoring Version Control SMTP Server
40. Web Server Application Code Database Data Store Async Tasks Cache Load Balancer Web Server Application Code Cache Data Store Async Tasks Database Database
41. System of Systems
42. Production (aka everything you just built) Dev Deploy
43. Dev Venv & Venvwrapper Vagrant & VirtualBox
44. Deploy git pull & restart services
45. Deploy Production (aka everything you just built) Dev Testing
46. Testing Jenkins CircleCI TravisCI
47. Deploy Production Dev Testing Staging Dev Dev
48. Server Config Chef Puppet Ansible SaltStack Docker
49. Deploy Chef Puppet Ansible SaltStack Docker
50. Dev Venv & Venvwrapper Vagrant & VirtualBox
51. Deploy Production Dev Testing Staging Dev Dev Deploy Production Dev Testing Staging Dev Dev
52. Hosting AWS Rackspace Linode
53. Chef Repo for a Web Application https://github.com/heddle317/django-chef-application
54. PaaS Heroku Elastic Beanstalk
55. Resources Maps https://github.com/heddle317/full-stack- resources/tree/master/resources_maps
59. Talk Maps https://github.com/heddle317/full-stack- resources/tree/master/talk_maps
64. 3 Takeaways • What are the basic pieces of a full-stack. • What do these pieces look like in different environments. • Resources for learning more and working with these pieces.
65. Ask your questions now. Kate Heddleston @heddle317 https://github.com/heddle317/full-stack-resources
66. “A complex system that works is invariably found to have evolved from a simple system that works.” — John Gall, Systemantics (1975)
67. “A system is never finished being developed until it ceases to be used.” — attributed to Gerald M. Weinberg
68. “It is as if perfection be attained not when there is nothing more to add, but when there is nothing more to take away.” — Antoine de Saint-Exupéry, Terre des Hommes (1939)
69. “There is no such thing as a small change to a large system.” — systems folklore, source lost in the mists of time
70. “Everything should be made as simple as possible, but no simpler.” — commonly attributed to Albert Einstein; it is actually a paraphrase of a comment he made in a 1933 lecture at Oxford