diff --git a/app/data/stacks/mainnet-eth/deploy/commands.py b/app/data/stacks/mainnet-eth/deploy/commands.py
index 28964073..194c970d 100644
--- a/app/data/stacks/mainnet-eth/deploy/commands.py
+++ b/app/data/stacks/mainnet-eth/deploy/commands.py
@@ -13,6 +13,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http:#www.gnu.org/licenses/>.
 
+from secrets import token_hex
+
 def init(ctx):
     return None
 
@@ -22,4 +24,8 @@ def setup(ctx):
 
 
 def create(ctx):
-    print("Yay it worked")
+    # Generate the JWT secret and save to its config file
+    secret = token_hex(16)
+    jwt_file_path = ctx.deployment_dir.joinpath("data", "mainnet_eth_config_data", "jwtsecret")
+    with open(jwt_file_path, 'w+') as jwt_file:
+        jwt_file.write(secret)
diff --git a/app/deployment_create.py b/app/deployment_create.py
index 6d41e8d6..652bbdba 100644
--- a/app/deployment_create.py
+++ b/app/deployment_create.py
@@ -14,6 +14,7 @@
 # along with this program.  If not, see <http:#www.gnu.org/licenses/>.
 
 import click
+from dataclasses import dataclass
 from importlib import util
 import os
 from pathlib import Path
@@ -21,6 +22,11 @@ from shutil import copyfile, copytree
 import sys
 from app.util import get_stack_file_path, get_parsed_deployment_spec, get_parsed_stack_config, global_options, get_yaml
 
+@dataclass
+class DeploymentContext:
+    stack: str
+    deployment_dir: Path
+
 
 def _make_default_deployment_dir():
     return "deployment-001"
@@ -112,15 +118,15 @@ def call_stack_deploy_setup(stack):
 
 
 # TODO: fold this with function above
-def call_stack_deploy_create(stack):
+def call_stack_deploy_create(deployment_context):
     # Link with the python file in the stack
     # Call a function in it
     # If no function found, return None
-    python_file_path = get_stack_file_path(stack).parent.joinpath("deploy", "commands.py")
+    python_file_path = get_stack_file_path(deployment_context.stack).parent.joinpath("deploy", "commands.py")
     spec = util.spec_from_file_location("commands", python_file_path)
     imported_stack = util.module_from_spec(spec)
     spec.loader.exec_module(imported_stack)
-    return imported_stack.create(None)
+    return imported_stack.create(deployment_context)
 
 
 # Inspect the pod yaml to find config files referenced in subdirectories
@@ -210,6 +216,9 @@ def create(ctx, spec_file, deployment_dir):
                 # If the same config dir appears in multiple pods, it may already have been copied
                 if not os.path.exists(destination_config_dir):
                     copytree(source_config_dir, destination_config_dir)
+    # Delegate to the stack's Python code
+    deployment_context = DeploymentContext(stack_name, Path(deployment_dir))
+    call_stack_deploy_create(deployment_context)
 
 
 @click.command()
@@ -222,4 +231,3 @@ def create(ctx, spec_file, deployment_dir):
 def setup(ctx, node_moniker, key_name, initialize_network, join_network, create_network):
     stack = global_options(ctx).stack
     call_stack_deploy_setup(stack)
-