I created a war file named my_sample.war and run java -jar my_sample.war . It runs at port 8080 as default value. What do I do to change it to port 3000. Thanks!
How to run warbler (jruby on rails) on different port rather than 8080
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You should be able to pass the port to the
javainvocation like so:Alternatively, setting the environment variable
PORTshould work: