PostgreSQL is well-supported by its active community. There are more than a dozen mailing lists available, categorized into topics like:PostgreSQL User Groups all over the world, and there is also an active IRC & Slack community.
There are also links to international sites that contain PostgreSQL information in various languages.
People in the PostgreSQL community also contribute to:
|Stefan Fercot: pgBackRest S3 configuration|
|Jeff McCormick: Using the PostgreSQL Operator with Rook Ceph Storage|
|Konstantin Evteev: Standby in production: scaling application in second largest classified site in t|
|Sebastian Insausti: Scaling Postgresql for Large Amounts of Data|
|Luca Ferrari: Checking PostgreSQL Version in Scripts|
|Craig Kerstiens: Postgres tips for the average and power user|
|Kaarel Moppel: The mysterious “backend_flush_after” configuration setting|