The 12 factors go back even further, to Joel Spolsky's "Joel Test" in 2000: https://www.joelonsoftware.com/2000/08/09/the-joel-test-12-steps-to-better-code/ ht

The 12 factors go back even further, to Joel Spolsky's "Joel Test" in 2000: https://www.joelonsoftware.com/2000/08/09/the-joel-test-12-steps-to-better-code/ https://www.joelonsoftware.com/2000/08/09/the-joel-test-12-s...