unable to use the `push` command

adam@Adams-MacBook-Pro blackbird % pnpm drizzle-kit push
No config path provided, using default 'drizzle.config.ts'
Reading config file '/Users/adam/Documents/Development/projects/blackbird/drizzle.config.ts'
 Error  Either connection "url" or "host", "database" are required for PostgreSQL database connection

import 'dotenv/config';

import { defineConfig } from 'drizzle-kit';

export default defineConfig({
    dialect: 'postgresql',
    schema: './src/lib/server/schema/*',
    out: 'drizzle',
    dbCredentials: {
        url: process.env.DATABASE_URL as string
    }
});