docker build context code example

Example 1: docker build

docker build -t [tag] .

Example 2: docker expose port

docker run -p [external]:[Internal]

#example (will open in localhost:8080 to container port 80)
docker run -p 8080:80

Example 3: how to create docker image from custom filename

cat DockerFile.debian.foo | docker build -t debian.foo -