Add ability to override options through environment variables
Add ability to override options through environment variables

HDevel/gemini,vladislav-sevostyanov/gemini,hatroman/gemini,varya/gemini,varya/gemini,pazone/gemini,HDevel/gemini,sergesemashko/gemini,pazone/gemini,racing-post/gemini,gemini-testing/gemini,racing-post/gemini