Docker snippets

addportmappingtodockermachinevirtualbox.sh

VBoxManage modifyvm "default" --natpf1 "postgres,tcp,127.0.0.1,5432,,5432"

killifrunning.sh

# if you're trying to kill a non running container using docker kill, 
# it will stop your script execution because it returns exit code 1
function killifrunning {

runs=$(docker inspect -f {{.State.Running}} $1)
if [ $runs == "true" ]; then
        docker kill $1
fi
}

killifrunning integration_webui_1
killifrunning integration_customerservice_1
killifrunning integration_db_1

suppresserrorexitcode.sh

# the short version of killifrunning.sh which shows the error message 
# if the container is not running but returns exit code 0 instead of 1
# just try echo $? after executing this line. It should return 0
# without "| true", echo $? would return 1 
docker kill integration_webui_1 | true  && echo all is fine