Django deployment error: pg_config executable not found.
I get the error below whenever I try to deploy my django project on either vercel or heroku
Error: pg_config executable not found.
pg_config is required to build psycopg2 from source. Please add the directory
containing pg_config to the $PATH or specify the full executable path with the
python setup.py build_ext --pg-config /path/to/pg_config build ...
or with the pg_config option in 'setup.cfg'.
If you prefer to avoid building psycopg2 from source, please install the PyPI
'psycopg2-binary' package instead.
For further information please check the 'doc/src/install.rst' file (also at
I had the same error when I was trying to deploy the django rest framework backend of devmaesters website. Following the steps below worked for me;
First uninstall psycopg2 completely from your project by running
pip uninstall psycopg2
Then install psycopg2 binary using
pip install psycopg2-binary
Then to update your requirements.txt file run
pip freeze > requirements.txt
Finally redeploy your project and everything should be working fine now.