Simplified the docs on how to set environment variables in a container. Makes it clear that you have three options, and how to use them. Signed-off-by: Joao Fernandes <joao.fernandes@docker.com>
Simplified the docs on how to set environment variables in a container. Makes it clear that you have three options, and how to use them. Signed-off-by: Joao Fernandes <joao.fernandes@docker.com>