env-cmd

• https://www.npmjs.com/package/env-cmd

• env-cmd -f

• env-cmd -f .env.development react-scripts build

• .env/

• npm run build

See also

• Variables: Environment variables, env, env-cmd, .env/, SHELL, PS1, HOME, $?, PATH, HISTFILE, PWD, LD_LIBRARY_PATH, printenv, getenv, getenv, direnv, AWS cli environmental variables, envsubst, env:, env_file (docker-compose)