There's old school, with Vagrant/BYO VM, there's "docker alternatives" like podman, and there's the k8s-in-a-box like Rancher Desktop or Minikube (which can expose a docker socket so you can work with docker directly as well). So really, Docker Desktop is competing on multiple fronts, all of which are open source or at least free. much? Even anything at all? In a past life many of us used Vagrant, and it's not like it's that hard to do this stuff yourself. Firewall Antivirus Either the port listener docker container is not running, or some firewall is blocking your. If not, then there is a problem within the computer and not the router. You should get this: 'Port 31400 is open on (your remote IP address)'. The main thing it does is manage some VM plumbing so you don't have to think about it. Find your external IP address here and place port 31400 in the port field. Regardless, I think the value proposition of Docker Desktop is questionable. As many rough edges as my Mac using colleagues described encountering with Docker Desktop, they will see even more if they try to use Podman, so it strikes me as a poor choice here. So when running sshd outside of the container, it would work over ipv4, but when running sshd inside of the container on the docker bridge network, it would listen on ipv6 and be unable to open port forwards.
#DOCKER FOR MAC PORT FORWARDING MAC OSX#
Port forwarding allows you to access applications running inside the container through your host machine’s IP address (or localhost address). There is a related post here: Port mapping in Docker on Mac OSX installed with Docker Toolbox but it didn't work for me Get ports for container docker port 485186e65a5e 8080/tcp -> 0.0.0.0:3. Users may not even notice this backend forwarding while accessing the webserver. With this port forwarding or port binding feature, users can access the webserver at container port 80 using the host machine port 9000. RHAT has been pushing it for quite a while, and although they're dogfooding it with their own k8s and Linux distros it's had less uptake outside of Big Blue (the linked article, prominently featured on their web page, is already out of date - not a good look). This was because docker was creating an ipv6 internal network for my containers, and my kernel did not have ipv6 forwarding enabled. Port Forwarding Ability to get access into the shell inside the container and port forwarding are the two most commonly used Docker functionalities. So, the solution we use is to bind the internal port 80 of the Docker container to a port on the host machine, say 9000. Docker maps all of these ports to a host port within a given. Well, with respect to this post in particular, I don't think Podman is even a "real" replacement for Docker Desktop. Docker also finds ports you expose with -expose 8080 (assuming you want to expose port 8080). I could understand this if they were turning the thumbscrews on individuals but all this talk of switching sounds petty and silly and will probably be false economy
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