I have a linux command to install Jmeter plugin - WebSocket Sampler
I need run this in docker container - my computer is in macos x system
this command are:
wget http://central.maven.org/maven2/kg/apc/cmdrunner/2.2/cmdrunner-2.2
wget http://central.maven.org/maven2/kg/apc/jmeter-plugins-manager/1.3/jmeter-plugins-manager-1.3.jar -P /path/to/apache-jmeter-5.0/lib/ext/
java -cp /path/to/apache-jmeter-5.0/lib/ext/jmeter-plugins-manager-1.3.jar org.jmeterplugins.repository.PluginManagerCMDInstaller
/path/to/apache-jmeter-5.0/bin/./PluginsManagerCMD.sh install websocket-samplers
RUNat the start of each line and that's a Dockerfile. - David Maze