docker build

Build an image from a Dockerfile. More information: https://docs.docker.com/engine/reference/commandline/build/.

• Build a docker image using the Dockerfile in the current directory:
  docker build .
• Build a docker image from a Dockerfile at a specified URL:
  docker build {{github.com/creack/docker-firefox}}
• Build a docker image and tag it:
  docker build --tag {{name:tag}} .
• Build a docker image with no build context:
  docker build --tag {{name:tag}} - < {{Dockerfile}}
• Do not use the cache when building the image:
  docker build --no-cache --tag {{name:tag}} .
• Build a docker image using a specific Dockerfile:
  docker build --file {{Dockerfile}} .
• Build with custom build-time variables:
  docker build --build-arg {{HTTP_PROXY=http://10.20.30.2:1234}} --build-arg {{FTP_PROXY=http://40.50.60.5:4567}} .