BE/src/db/db.config.ts

import { ConfigService } from '@nestjs/config';

export const getOracleConfig = (configService: ConfigService) => ({
    user: configService.get<string>('ORACLE_USER', ''),
    password: configService.get<string>('ORACLE_PASSWORD', ''),
    connectString: configService.get<string>('ORACLE_CONNECT_STRING', ''),
});

export const getMssqlConfig = (configService: ConfigService) => ({
    server: configService.get<string>('MSSQL_SERVER', ''),
    port: parseInt(configService.get<string>('MSSQL_PORT', '1433'), 10), // 1433 is MSSQL default port
    user: configService.get<string>('MSSQL_USER', ''),
    password: configService.get<string>('MSSQL_PASSWORD', ''),
    database: configService.get<string>('MSSQL_DATABASE', ''),
    options: {
        enableArithAbort: true,
        trustServerCertificate: true,
        encrypt: true,
    },
});