Running a java subprocess from a python app in Heroku
问题 I am new to Heroku. The backend logic of my flask web app is actually running a Java subprocess ( subprocess.call( ...) ) to get some helper data. (I know it's a bad thing to do) On deployment, Heroku works as expected and installs Python runtime and frameworks from requirements.txt but not JDK. Any way I can configure Java in the same and make this work ?? 回答1: Run the following command: $ heroku buildpacks:add heroku/jvm Then redeploy with a git push heroku master . This will install the