codesandbox-docker-python-web

1. Login to codesandbox and possibly click the left most box and choose the dashboard
2. Create a devbox and search for "docker"
3. In the .devcontainer find the Dockerfile and replace FROM ubuntu with FROM python:3.12 save ctrl-Sand let that install
4. Open a new terminal near the bottom of the page.
5. test if python is installed python3 --version and test if pip is installed pip3 --version
6. test if python -V and pip -V work, note it is a captial V, most other Ubuntu versions checks use a small v
7. install flask pip3 install Flask Note: many installations on Ubuntu use apt install ???? but this time we use pip.
8. Check if flask was installed flask --version
9. Copy the 2 files tz07-flask.py and tz07-web.py near the README.md file, or just creatte the files and copy the code
10. Don't forget to save the files with ctrl-s
11. In the terminal activate the flask code which calls the pure python code python3 tz07-flask.py
12. copy the generated URL to your index.html page

#alternate methods:

1. Choose the default codesandbox ubuntu docker
2. Ctrl ` to open a new terminal
3. uname -a then apt update then aptupgrade then apt update then uname -a
4. apt install python3 then python3 -V
5. apt install python3-pip then pip -V
6. pip install flask
7. Copy the 2 files tz07-flask.py and tz07-web.py near the README.md file, or just creatte the files and copy the code
8. Don't forget to save the files with ctrl-s
9. In the terminal activate the flask code which calls the pure python code python3 tz07-flask.py
10. copy the generated URL to your index.html page

node

I just setup nodejs with npm and tried a new file called myNode.js which works in the same way

codesandbox to fork https://codesandbox.io/p/devbox/jovial-dan-pq7mxy

web page https://pq7mxy-5000.csb.app/upload