Operate airflow initdb to set up the airflow db regionally the run both the airflow scheduler and airflow webserver instructions on seperate terminal windows. If you can get a psycopg2 relevant error, you may want to check Should the postgresql company is jogging on your Pc. Samples of online project http://domycasestudysolution26059.tinyblogging.com/5-Simple-Techniques-For-capstone-projects-37787096