Docker - Error Codes
Updated at 2018-01-09 07:03
docker run will return the error code of the last command ran inside the container.
docker run --rm python:3.6 bash -c "true"; echo $?
# => 0
docker run --rm python:3.6 bash -c "false"; echo $?
# => 1
docker run --rm python:3.6 bash -c "false
false"; echo $?
# => 1
docker run --rm python:3.6 bash -c "true
false"; echo $?
# => 1
docker run --rm python:3.6 bash -c "true
true"; echo $?
# => 0
docker run --rm python:3.6 bash -c "true
true
false"; echo $?
# => 1
docker run --rm python:3.6 bash -c "false
false
false
false
true"; echo $?
# => 0