diff --git a/trustgraph-flow/trustgraph/config/service/service.py b/trustgraph-flow/trustgraph/config/service/service.py
index a23a33b9..84ed2a6a 100644
--- a/trustgraph-flow/trustgraph/config/service/service.py
+++ b/trustgraph-flow/trustgraph/config/service/service.py
@@ -15,6 +15,7 @@ from trustgraph.schema import FlowRequest, FlowResponse
 from trustgraph.schema import flow_request_queue, flow_response_queue
 
 from trustgraph.base import AsyncProcessor, Consumer, Producer
+from trustgraph.base.cassandra_config import add_cassandra_args, resolve_cassandra_config
 
 from . config import Configuration
 from . flow import FlowConfig
@@ -60,9 +61,21 @@ class Processor(AsyncProcessor):
             "flow_response_queue", default_flow_response_queue
         )
 
-        cassandra_host = params.get("cassandra_host", default_cassandra_host)
+        cassandra_host = params.get("cassandra_host")
         cassandra_username = params.get("cassandra_username")
         cassandra_password = params.get("cassandra_password")
+        
+        # Resolve configuration with environment variable fallback
+        hosts, username, password = resolve_cassandra_config(
+            host=cassandra_host,
+            username=cassandra_username,
+            password=cassandra_password
+        )
+        
+        # Store resolved configuration
+        self.cassandra_host = hosts
+        self.cassandra_username = username
+        self.cassandra_password = password
 
         id = params.get("id")
 
@@ -76,8 +89,9 @@ class Processor(AsyncProcessor):
                 "config_push_schema": ConfigPush.__name__,
                 "flow_request_schema": FlowRequest.__name__,
                 "flow_response_schema": FlowResponse.__name__,
-                "cassandra_host": cassandra_host,
-                "cassandra_username": cassandra_username,
+                "cassandra_host": self.cassandra_host,
+                "cassandra_username": self.cassandra_username,
+                "cassandra_password": self.cassandra_password,
             }
         )
 
@@ -142,9 +156,9 @@ class Processor(AsyncProcessor):
         )
 
         self.config = Configuration(
-            host = cassandra_host.split(","),
-            username = cassandra_username,
-            password = cassandra_password,
+            host = self.cassandra_host,
+            username = self.cassandra_username,
+            password = self.cassandra_password,
             keyspace = keyspace,
             push = self.push
         )
@@ -276,23 +290,7 @@ class Processor(AsyncProcessor):
             help=f'Flow response queue {default_flow_response_queue}',
         )
 
-        parser.add_argument(
-            '--cassandra-host',
-            default="cassandra",
-            help=f'Graph host (default: cassandra)'
-        )
-
-        parser.add_argument(
-            '--cassandra-user',
-            default=None,
-            help=f'Cassandra user'
-        )
-
-        parser.add_argument(
-            '--cassandra-password',
-            default=None,
-            help=f'Cassandra password'
-        )
+        add_cassandra_args(parser)
 
 def run():
 
diff --git a/trustgraph-flow/trustgraph/cores/service.py b/trustgraph-flow/trustgraph/cores/service.py
index 00b8a7d0..9cb0e1d0 100755
--- a/trustgraph-flow/trustgraph/cores/service.py
+++ b/trustgraph-flow/trustgraph/cores/service.py
@@ -11,6 +11,7 @@ import logging
 
 from .. base import AsyncProcessor, Consumer, Producer, Publisher, Subscriber
 from .. base import ConsumerMetrics, ProducerMetrics
+from .. base.cassandra_config import add_cassandra_args, resolve_cassandra_config
 
 from .. schema import KnowledgeRequest, KnowledgeResponse, Error
 from .. schema import knowledge_request_queue, knowledge_response_queue
@@ -49,16 +50,29 @@ class Processor(AsyncProcessor):
             "knowledge_response_queue", default_knowledge_response_queue
         )
 
-        cassandra_host = params.get("cassandra_host", default_cassandra_host)
+        cassandra_host = params.get("cassandra_host")
         cassandra_username = params.get("cassandra_username")
         cassandra_password = params.get("cassandra_password")
+        
+        # Resolve configuration with environment variable fallback
+        hosts, username, password = resolve_cassandra_config(
+            host=cassandra_host,
+            username=cassandra_username,
+            password=cassandra_password
+        )
+        
+        # Store resolved configuration
+        self.cassandra_host = hosts
+        self.cassandra_username = username
+        self.cassandra_password = password
 
         super(Processor, self).__init__(
             **params | {
                 "knowledge_request_queue": knowledge_request_queue,
                 "knowledge_response_queue": knowledge_response_queue,
-                "cassandra_host": cassandra_host,
-                "cassandra_user": cassandra_user,
+                "cassandra_host": self.cassandra_host,
+                "cassandra_username": self.cassandra_username,
+                "cassandra_password": self.cassandra_password,
             }
         )
 
@@ -89,9 +103,9 @@ class Processor(AsyncProcessor):
         )
 
         self.knowledge = KnowledgeManager(
-            cassandra_host = cassandra_host.split(","),
-            cassandra_username = cassandra_username,
-            cassandra_password = cassandra_password,
+            cassandra_host = self.cassandra_host,
+            cassandra_username = self.cassandra_username,
+            cassandra_password = self.cassandra_password,
             keyspace = keyspace,
             flow_config = self,
         )
@@ -210,23 +224,7 @@ class Processor(AsyncProcessor):
             help=f'Config response queue {default_knowledge_response_queue}',
         )
 
-        parser.add_argument(
-            '--cassandra-host',
-            default="cassandra",
-            help=f'Graph host (default: cassandra)'
-        )
-
-        parser.add_argument(
-            '--cassandra-user',
-            default=None,
-            help=f'Cassandra user'
-        )
-
-        parser.add_argument(
-            '--cassandra-password',
-            default=None,
-            help=f'Cassandra password'
-        )
+        add_cassandra_args(parser)
 
 def run():
 
diff --git a/trustgraph-flow/trustgraph/librarian/service.py b/trustgraph-flow/trustgraph/librarian/service.py
index 5ab228f9..d1e2ae01 100755
--- a/trustgraph-flow/trustgraph/librarian/service.py
+++ b/trustgraph-flow/trustgraph/librarian/service.py
@@ -11,6 +11,7 @@ import logging
 
 from .. base import AsyncProcessor, Consumer, Producer, Publisher, Subscriber
 from .. base import ConsumerMetrics, ProducerMetrics
+from .. base.cassandra_config import add_cassandra_args, resolve_cassandra_config
 
 from .. schema import LibrarianRequest, LibrarianResponse, Error
 from .. schema import librarian_request_queue, librarian_response_queue
@@ -66,9 +67,21 @@ class Processor(AsyncProcessor):
             default_minio_secret_key
         )
 
-        cassandra_host = params.get("cassandra_host", default_cassandra_host)
+        cassandra_host = params.get("cassandra_host")
         cassandra_username = params.get("cassandra_username")
         cassandra_password = params.get("cassandra_password")
+        
+        # Resolve configuration with environment variable fallback
+        hosts, username, password = resolve_cassandra_config(
+            host=cassandra_host,
+            username=cassandra_username,
+            password=cassandra_password
+        )
+        
+        # Store resolved configuration
+        self.cassandra_host = hosts
+        self.cassandra_username = username
+        self.cassandra_password = password
 
         super(Processor, self).__init__(
             **params | {
@@ -76,8 +89,9 @@ class Processor(AsyncProcessor):
                 "librarian_response_queue": librarian_response_queue,
                 "minio_host": minio_host,
                 "minio_access_key": minio_access_key,
-                "cassandra_host": cassandra_host,
-                "cassandra_username": cassandra_username,
+                "cassandra_host": self.cassandra_host,
+                "cassandra_username": self.cassandra_username,
+                "cassandra_password": self.cassandra_password,
             }
         )
 
@@ -108,9 +122,9 @@ class Processor(AsyncProcessor):
         )
 
         self.librarian = Librarian(
-            cassandra_host = cassandra_host.split(","),
-            cassandra_username = cassandra_username,
-            cassandra_password = cassandra_password,
+            cassandra_host = self.cassandra_host,
+            cassandra_username = self.cassandra_username,
+            cassandra_password = self.cassandra_password,
             minio_host = minio_host,
             minio_access_key = minio_access_key,
             minio_secret_key = minio_secret_key,
@@ -319,23 +333,7 @@ class Processor(AsyncProcessor):
             f'(default: {default_minio_access_key})',
         )
 
-        parser.add_argument(
-            '--cassandra-host',
-            default="cassandra",
-            help=f'Graph host (default: cassandra)'
-        )
-
-        parser.add_argument(
-            '--cassandra-user',
-            default=None,
-            help=f'Cassandra user'
-        )
-
-        parser.add_argument(
-            '--cassandra-password',
-            default=None,
-            help=f'Cassandra password'
-        )
+        add_cassandra_args(parser)
 
 def run():