Launching Python Cloud Services for AI/IoT Projects
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Tutorial on how to launch a python cloud web app for your IoT, Machine Learning or Artificial Intelligence project
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Launching Python Cloud Services for AI/IoT Projects
- 1. Launching a Cloud Service for your IoT project Vincent Claes
- 2. Get started • We will use Python and Flask for our Cloud service • Part 1: Heroku • https://www.heroku.com • Install heroku cli tools • https://devcenter.heroku.com/articles/heroku-cli • Part 2: Pythonanywhere • https://www.pythonanywhere.com • Read about git • https://git-scm.com/book/en/v2/Getting-Started-Git-Basics • Be sure to have git installed on your system • https://git-scm.com/download/win Vincent Claes
- 3. Sign up or Log in @ www.heroku.com Vincent Claes
- 4. Our Application Vincent Claes • Python Application • https://www.python.org/ • Flask Python Library • http://flask.pocoo.org/ • Code is on our local machine and not on www.github.com
- 5. Create a new pipeline Vincent Claes A pipeline is a dyno (aka cloud worker - vm) that will run your app
- 6. Create a new pipeline Vincent Claes
- 7. Create a new pipeline Vincent Claes
- 8. Add App Vincent Claes The App is the actual Python Application, on Heroku you can host applications from different programming languages (Python, R, PHP,…) We will build our application in a way that Heroku recognizes that we used Python to program it.
- 9. Create new App Vincent Claes
- 10. Create new App Vincent Claes
- 11. Create new App Vincent Claes
- 12. Create requirements.txt file Create a new file “requirements.txt” with the following contents: Flask gunicorn Vincent Claes
- 13. Create Procfile file Create a new file “Procfile” with the following contents: web: gunicorn PXLApp:app Vincent Claes
- 14. Create PXLApp.py file Vincent Claes
- 15. Open CMD • Open a commandprompt (cmd) and open (or create) a directory with the following files: • requirements.txt • Procfile • PXLApp.py Vincent Claes
- 20. Heroku git:remote –a sspxlpy Vincent Claes
- 21. Git add . Vincent Claes
- 22. Git commit –am “First Launch” Vincent Claes
- 23. Git push heroku master Vincent Claes
- 24. heroku open /hi Vincent Claes
- 26. Part 2: Pythonanywhere • https://www.pythonanywhere.com Vincent Claes
- 27. Log in or Sign up @ pythonanywhere Vincent Claes
- 28. Open Web Apps Vincent Claes
- 29. Add a new web app Vincent Claes
- 30. Create a new web app Vincent Claes
- 31. Flask Python Web Framework Vincent Claes
- 32. Python 3.7 (Flask 1.0.2) Vincent Claes
- 33. Select path for python file – Flask app Vincent Claes
- 34. Overview Web Tab Vincent Claes
- 36. Open mysite directory Vincent Claes
- 39. Example Flask App Vincent Claes
- 40. Web Tab => reload Vincent Claes
- 42. CURL REFERENCE option purpose -X specify HTTP request method e.g. POST curl -X GET http://cteq.pythonanywhere.com -H specify request headers e.g. "Content-type: application/json“ curl -H "Content-type: application/json" -X POST http://cteq.pythonanywhere.com -d '{"message: "Hi Python World!!!"}' -d specify request data e.g. '{"message":“Hi Python World!!!"}’ curl -H "Content-type: application/json" -X POST http://cteq.pythonanywhere.com -d '{"message: "Hi Python World!!!"}' --data-binary specify binary request data e.g. @file.bin curl -H "Content-type: application/octet-stream" -X POST http://cteq.pythonanywhere.com -data-binary @file.bin -i shows the response headers curl -i http://cteq.pythonanywhere.com/hi -u specify username and password e.g. "admin:secret“ curl -v -u "admin:pass" http://cteq.pythonanywhere.com/passneededcontents -v enables verbose mode which outputs info such as request and response headers and errors curl -v -u "admin:pass" http://cteq.pythonanywhere.com/passneededcontents Vincent Claes
- 43. • More info: vincent[at]cteq.eu • https://www.linkedin.com/in/vincentclaes/ • You can contact me for IoT, Embedded Systems (HW, SW, FPGA, ARM,…) and ML/AI projects (R and Python). Vincent Claes