add -b/--bind

blockstack_client/cli.py

@@ -250,6 +250,14 @@ def run_cli(argv=None, config_path=CONFIG_PATH):
             'env': 'BLOCKSTACK_API_SESSION',
             'help': 'API session token to use',
         },
+        'api_bind': {
+            'short': '-b',
+            'long': '--bind',
+            'has_arg': True,
+            're-exec': False,
+            'env': 'BLOCKSTACK_API_BIND',
+            'help': 'Address or hostname to bind the API server',
+        },
         'dry_run': {
             'short': '-n',
             'long': '--dry_run',

blockstack_client/rpc.py

@@ -3840,8 +3840,12 @@ def make_local_api_server(api_pass, portnum, wallet_keys, api_bind=None, config_
     """
     conf = blockstack_config.get_config(config_path)
     assert conf
-
-    api_bind = conf.get('api_endpoint_bind', 'localhost') if api_bind is None else api_bind
+    
+    # arg --> envar --> config
+    if api_bind is None:
+        api_bind = os.environ.get("BLOCKSTACK_API_BIND", None)
+        if api_bind is None:
+            api_bind = conf.get('api_endpoint_bind', 'localhost') if api_bind is None else api_bind
 
     srv = BlockstackAPIEndpoint(api_pass, wallet_keys, host=api_bind, port=portnum, config_path=config_path)
     return srv