testcontainers/build/container-runtime/clients/container/types.d.ts

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container

export type Environment = {
    [key in string]: string;
};
export type ExecOptions = {
    workingDir: string;
    user: string;
    env: Environment;
    log: boolean;
};
export type ExecResult = {
    output: string;
    exitCode: number;
};