Im looking for some form of self hosted application, ideally dockerized(able), that can connect to and manage an existing database (Im not picky on the DB type, Postgres prolly best though).
However Id like if it manages it via a nice well designed ERD. The closest I have found so far is PgAdmin but unfortunately it's ERD leaves a lot to be desired. It's kinda clunky, and it cant "diff" against your existing database to produce a migration script, all it can do is produce a script that expects you to totally drop the existing DB and re-apply the schema from scratch.
Something like Luna/Moon would be cool, but every example I look up seems to be an application you install locally on your machine and interact with directly, as opposed to a web interface.
Can you explain what exactly you're looking for? Usually a simple database only requires simple administration, so tools like phpmyadmin and pgadmin are sufficient.
I am not, and this is a very small and generic community, so the members here have limited experience with less-common tools. The more background you can provide, the better.
I mean you just repeated the same acronym over and over and assume everyone knows what you’re talking about. The person trying to help you obviously doesn’t know what an ERD is and is asking for you to clarify.
You could easily describe what an entity relationship diagram is, or just not use an acronym for something in a general context. Instead you went for combative and condescending