Windows 10 cannot connect tomcat running within docker container

[rimelek (Ákos Takács)]

@ranxero

But I cannot connect tomcat via browser.

You cannot connect or you cannot access the webapp? What does the browser return? HTTP 404 or connection refused or something else?

Also I am wondering, is it the first you have to install a tomcat app or it is just the first you try in a container?

I totally agree with @meyay regarding the ADD instruction, however, I tried a war file and it wasn’t extracted, but I would still prefer to use the COPY instruction because it is much clearer what it does.

If you want to install a tomcat webapp, you need to configure tomcat to find it and map the URL and the applications. If you have one app that you want to access without a subpath in the URL and without tomcat configuration, you need to call it ROOT.war. Related topic:

Docker Tomcat Error 404

Please, use code formatting as described in the below topic. I fixed your post. How exactly are you trying to load the webapp from the browser? Since you haven’t shared the URL, we can’t tell if the error is normal or not. Based on what you shared it doesn’t look like a Docker issue, because your app is called HelloWorld.war but and if you want it to be accessible at http://localhost:8080/, as far as I know you need to copy it as ROOT.war. Otherwise you might need to map the application file…