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Notes

This project us the official Flask tutorial on 2023/01/13 taken from [https://flask.palletsprojects.com/en/2.2.x/tutorial]. After finishing the tutorial I kept working on the recommended "Keep Development" ideas.

Updates

1.0.2 Future Development

  • Like / unlike a post.
  • add testing for focus view feature

1.0.1

  • A detail view to show a single post. Click a post’s title to go to its page
  • Created a feature branch
  • Figured out how to debug from vs code so I can place breaks into the code

setting up Virtual Environment

Instructions [https://flask.palletsprojects.com/en/2.2.x/installation/]

  • To create a new environment: python3 -m venv venvor for windows python -m venv venv
  • To activate the environment: . venv/bin/activate or for windows venv\Scripts\activate
  • In order to create a requirements.txt file pip freeze > requirements.txt

Running application

  • Starting in debug mode: flask --app flaskr --debug run

Testing the application

use pytest

Deploying the application

to make a distribution file use $ python setup.py bdist_wheel which will create the file in. When deploying the applicaiton on the new machine use pip install DIST_APP_NAME. After the installation to initialize the db, use flask --app flaskr init-db

When deploying the site on remote use python -c 'import secrets; print(secrets.token_hex())' and save as SECRET_KEY = string inside the created file venv/var/flaskr-instance/config.py. Other config info can be stored there as well.

Blog entries

Initial deployment on home Alpine server 20230114

Today I was able to deploy an alpine server with python waitress, that was kind of fun! I installed proxmox on my old Lenovo U330 and found out that the old laptop does not have virtualization. I then installed Alpine linux and was able to ssh into it. When moving code over to the server, I moved the entire repository instead of moving the wheel object, and because of that, I was not able to correctly create a SECRET_KEY.

Running the app using waitress made the project terminate when I closer the ssh terminal, unless i ran the process in the background with waitress-serve --call 'flaskr:create_app'&. Thank you Stan, for showing me how to run precesses in the background.

I look forward to keep working on this project.