Added --version option

README.md

@@ -51,6 +51,7 @@ Available configuration options:
 --uds TEXT         Bind to a UNIX domain socket.
 --workers INTEGER  Number of worker processes.  Defaults to the
                    $WEB_CONCURRENCY environment variable if available, or 1.
+--version          Show the version and exit.
 --help             Show this message and exit.
 ```
 

pssecret_server/cli.py

@@ -1,3 +1,5 @@
+from importlib.metadata import version
+
 import click
 import uvicorn
 
@@ -21,5 +23,6 @@ import uvicorn
     ),
     type=int,
 )
+@click.version_option(version("pssecret_server"))
 def cli(**kwargs) -> None:
     uvicorn.run("pssecret_server.main:app", **kwargs)