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:
|Pavel Stehule: Compilation Orafce on CentOS 7 against pgdg repo|
|Hugo Dias: PostgreSQL Deployment & Configuration with Puppet|
|Ibrar Ahmed: Proposal for Global Indexes in PostgreSQL|
|Doug Hunley: Enhancing PostgreSQL 12 Security with the CIS Benchmark|
|Hans-Juergen Schoenig: effective_cache_size: What it means in PostgreSQL|
|Pavel Stehule: using pspg for SQLite|
|Leigh Halliday: Similarity in Postgres and Rails using Trigrams|