Authentication failed against the database server in NestJS + Prisma

ORM

* Prisma queries like

this.prisma.user.findUnique()

this.prisma.user.findUnique()

this.prisma.user.findUnique()

this.prisma.user.findUnique() fail.
* Logs show:

  Authentication failed against the database server, the provided database credentials for `postgres` are not valid

  Authentication failed against the database server, the provided database credentials for `postgres` are not valid

  Authentication failed against the database server, the provided database credentials for `postgres` are not valid

  Authentication failed against the database server, the provided database credentials for `postgres` are not valid

The database connection credentials (

DB_USER

DB_USER

DB_USER

DB_USER,

DB_PASSWORD

DB_PASSWORD

DB_PASSWORD

DB_PASSWORD,

DB_HOST

DB_HOST

DB_HOST

DB_HOST, etc.) in your environment variables or

.env

.env

.env

.env file are incorrect.

I am using Docker environment. And this happening when on Oracle Linux VPS. But my local pc working properly.