Fix issue with Prisma not supporting env in provider

.env.example

@@ -2,7 +2,6 @@ PORT=3000
 SALT="this is a very insecure salt, change it"
 
 DB_NAME=mydb
-DB_PROVIDER=postgres
 DB_HOST=db # db refers to the name of the service in docker-compose.yml
 DB_USER=johndoe
 DB_PASSWORD=randompassword

README.md

@@ -49,12 +49,13 @@ See [cli/README.md](cli/README.md) for detailed instructions and library usage.
 
 **Requirements:** Node.js (tested on 18+, should work with 14+), and a SQL database (tested on PostgreSQL, should work with MySQL and SQLite).
 
-Right now, my instance is using PostgreSQL on Vercel. However, it can be run using any SQL DB such as SQLite or MySQL. To use other backends, please update the provider in [schema.prisma](src/lib/server/prisma/schema.prisma)
+Right now, my instance is using PostgreSQL on Vercel.
 
 ### .env Configuration
 
+By default, it is configured to use PostgreSQL. However, it can be run using any SQL DB such as SQLite or MySQL. To use other backends, please update the provider in [schema.prisma](src/lib/server/prisma/schema.prisma).
+
 - `DB_NAME` is the database name;
-- `DB_PROVIDER` uses 'postgres' by default, but can be changed to MySQL or SQLite.
 - `DB_HOST` database host (defaults to 'db', but can be changed to aything like localhost)
 - `DB_USER` database user
 - `DB_PORT` database port 5432

src/lib/server/prisma/schema.prisma

@@ -6,7 +6,7 @@ generator client {
 }
 
 datasource db {
-  provider = env("DB_PROVIDER")
+  provider = "postgresql"
   url      = env("DATABASE_URL")
 }