Running Flask In Windows Doesn't See Environment Variable

I want to set an environment variable DATABASE_URL that will be read by my Flask app to connect to the database. I use set DATABASE_URL = '...', but I get an error that the variabl

Solution 1:

Just remove spaces from set command

set FLASK_APP=application.py
set FLASK_DEBUG=1
set DATABASE_URL='postgres.......'

More at https://ss64.com/nt/set.html

Solution 2:

A quick idea to try:

1. On Windows, use setx instead of set to modify the system environment variables.

   setx FLASK_APP = application.py

2. Start a new command processor to see the variables reflected in your environment (They get set when the shell is initialized).

Solution 3:

set FLASK_APP=application.py
set FLASK_DEBUG=1set DATABASE_URL='postgres.......' (WITHOUT THE QUOTATION MARKS, because the system put it automatically, I opened a notepad andset the password andcopy paste andexecutein powershell

Solution 4:

you need to set your path in your pc's environmental varibles. You can find your path of the python here C:\Users"your default user name "\AppData\Local\Programs\Python\Python39. after setting up path use

1. pip3 install

Solution 5:

Personally, when i used flask run, i had an issue. I get this message "'flask' is not recognized as an internal or external, operable program or batch file" what could be the issue.