Add DB_PREFIX environment variable

.env.example

@@ -7,6 +7,9 @@
 # The database URL is used to connect to your Supabase database.
 POSTGRES_URL="postgres://postgres.[USERNAME]:[PASSWORD]@aws-0-eu-central-1.pooler.supabase.com:6543/postgres?workaround=supabase-pooler.vercel"
 
+# DB_PREFIX is used to prefix the database tables, e.g. "t3" will create tables like "t3_user"
+DB_PREFIX="t3"
+
 
 # You can generate the secret via 'openssl rand -base64 32' on Unix
 # @see https://next-auth.js.org/configuration/options#secret

packages/db/src/schema.ts

@@ -1,7 +1,15 @@
 import { relations, sql } from "drizzle-orm";
-import { pgTable, primaryKey } from "drizzle-orm/pg-core";
+import {
+  integer,
+  primaryKey,
+  text,
+  timestamp,
+  uuid,
+  varchar,
+} from "drizzle-orm/pg-core";
 import { createInsertSchema } from "drizzle-zod";
 import { z } from "zod";
+import { pgTable } from "./table";
 
 export const Post = pgTable("post", (t) => ({
   id: t.uuid().notNull().primaryKey().defaultRandom(),

packages/db/src/table.ts

@@ -0,0 +1,8 @@
+import { pgTableCreator } from "drizzle-orm/pg-core";
+
+export const pgTable = pgTableCreator((name: string) => {
+  if (process.env.DB_PREFIX) {
+    return `${process.env.DB_PREFIX}_${name}`;
+  }
+  return name;
+});