I’m running a Flask backend service, Postgres database and a React frontend service. Locally, these three work together just fine. When I try deploying to Render, I get the following backend logs, which suggest something with the database is going wrong. However, I don’t know what. Can someone help …

Hey Rylan, Apologies! That env var is used by a specific package (Redash). I think in your case you’d need to add the pool_pre_ping=True option to the SQLAlchemy connection setup in your code. Kind regards Alan

Server closed the connection unexpectedly

RylanSchaeffer June 22, 2022, 9:01pm 2

I can find related problems , but I don’t know whether they’re relevant to Render. How can I find out whether this error is caused by Render or something else?

Topic		Replies	Views
Database is closing unexpectedly - PostgreSQL on Render	19	14334	October 30, 2021
SSL connection has been closed unexpectedly	3	1954	January 26, 2023
SOLVED - (psycopg2.OperationalError) SSL connection has been closed unexpectedly	5	12701	September 15, 2023
PostgreSQL connection error	4	905	October 18, 2023
SSL connection has been closed unexpectedly - from AWS EC2	2	1313	June 7, 2023

Server closed the connection unexpectedly

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