citpl_cms_react_express_postgres/strapi-cms/config/database.ts

import path from 'path';
import type { Core } from '@strapi/strapi';
import { isDatabaseClientKind } from '@strapi/database';

const config = ({ env }: Core.Config.Shared.ConfigParams): Core.Config.Database => {
  const client = env('DATABASE_CLIENT', 'postgres');

  const connections = {
    postgres: {
      client: 'postgres',
      connection: {
        host: env('DATABASE_HOST', '127.0.0.1'),
        port: env.int('DATABASE_PORT', 5432),
        database: env('DATABASE_NAME', 'strapi'),
        user: env('DATABASE_USERNAME', 'strapi'),
        password: env('DATABASE_PASSWORD', 'strapi'),
        ssl: env.bool('DATABASE_SSL', false),
        schema: env('DATABASE_SCHEMA', 'public'),
      },
      pool: { min: env.int('DATABASE_POOL_MIN', 2), max: env.int('DATABASE_POOL_MAX', 10) },
    },
    sqlite: {
      client: 'sqlite',
      connection: {
        filename: path.join(__dirname, '..', '..', env('DATABASE_FILENAME', '.tmp/data.db')),
      },
      useNullAsDefault: true,
    },
  };

  return {
    connection: (connections[client as keyof typeof connections] || connections.postgres) as Core.Config.Database['connection'],
  };
};

export default config;