docs: fixing instructions for upgrading app when running with podman

README.md

@@ -87,8 +87,8 @@ $ podman logs -f formicaio-pod-formicaio
 Upgrading the application (without stopping the running node instances) can be simply achieved by pulling the new Formicaio image and restarting the service:
 ```
 $ podman pull docker.io/bochaco/formicaio:latest
-$ podman stop formicaio-pod-formicaio
-$ podman start formicaio-pod-formicaio
+$ podman rm formicaio-pod-formicaio -f
+$ podman run --name formicaio-pod-formicaio -dt -v pod_volume_formicaio:/var/run -v pod_volume_formicaio:/data -e DB_PATH=/data -e DOCKER_SOCKET_PATH=/var/run/docker.sock -e NODE_CONTAINER_IMAGE_TAG=latest --pod formicaio-pod docker.io/bochaco/formicaio:latest
 ```
 
 For stopping the Formicaio app and services simply run: