updated notes

src/rhcsa.md

@@ -959,9 +959,43 @@ podman ps # Display the running containers
 podman logs mynginx # Display the logs of the mynginx container
 podman exec -it mynginx bash # Execute a command in the mynginx container
 
-podman stop mynginx # Stop the mynginx container
 podman start mynginx # Start the mynginx container
+podman stop mynginx # Stop the mynginx container
 podman rm mynginx # Remove the mynginx container
 
 podman rmi nginx:latest # Remove the nginx image
 ```
+
+### Building Custom Images with Podman
+```bash
+FROM fedora:latest
+
+RUN dnf install -y vim
+
+COPY welcome.txt /root/welcome.txt
+
+CMD ["/bin/bash"]
+```
+
+> Note: You can build the image with podman build -t myimage .
+
+### Running Containers with Podman
+```bash
+### build the image
+podman build -t myimage -f Containerfile .
+
+### run the container
+podman run -it --name mycustomcontainer myimage
+```
+
+### Persistent Storage
+```bash
+### create a volume
+podman volume create myvolume
+
+### list the volumes
+podman volume ls
+
+### run the container with the volume
+podman run --name mywebserver -d -p 8080:80 -v myvolume:/var/www/html:Z nginx
+```