diff --git a/doc/custom-service.md b/doc/custom-service.md
index 3f010f7b..cbab61fe 100644
--- a/doc/custom-service.md
+++ b/doc/custom-service.md
@@ -161,6 +161,54 @@ Now that we have defined the multi-instance service, we can import it in our fla
 And finally, `nix run`:
 ![[multi-instance-hello.png]]
 
+> [!TIP]
+> Do not introduce new options to configure underlying process-compose settings of a process, use the default `processSettings.<name>` option.
+> Examples:
+>   - Bad:
+>     ```nix
+>     # Definition
+>     { config, ... }:
+>     {
+>       options = {
+>         ...
+>         extraEnvironment = lib.mkOption {
+>           type = lib.types.attrs;
+>           default = { };
+>         };
+>       };
+>       config = {
+>         outputs.settings = {
+>           processes.<name> = {
+>             environment = <defaults> // config.extraEnvironment;
+>           };
+>         };
+>       };
+>
+>     }
+>
+>     # Usage
+>     {
+>       services.<name>.<name> = {
+>         extraEnvironment = ...
+>       };
+>     }
+>     ```
+>  - Good:
+>    ```nix
+>
+>    # No change in definition
+>
+>    # Usage
+>    {
+>      services.<name>.<name> = {
+>        processSettings.<name> = {
+>          environment = ...;
+>        };
+>      };
+>    }
+>    ```
+
+
 ## See also
 
 - [Postgres with replica](https://github.com/nammayatri/nammayatri/blob/main/Backend/nix/services/postgres-with-replica.nix)
diff --git a/example/llm/flake.nix b/example/llm/flake.nix
index 19e40c92..531b4f93 100644
--- a/example/llm/flake.nix
+++ b/example/llm/flake.nix
@@ -68,12 +68,14 @@
                 # RAG_RERANKING_MODEL_AUTO_UPDATE = "True";
                 # DEVICE_TYPE = "cpu";
               };
+            processSettings."open-webui1" = {
+              # Modify the process-compose setting
+              # Start the Open WebUI service after the Ollama service has finished initializing and loading the models
+              depends_on.ollama1-models.condition = "process_completed_successfully";
+            };
           };
         };
 
-        # Start the Open WebUI service after the Ollama service has finished initializing and loading the models
-        settings.processes.open-webui1.depends_on.ollama1-models.condition = "process_completed_successfully";
-
         # Open the browser after the Open WebUI service has started
         settings.processes.open-browser = {
           command =
diff --git a/nix/lib.nix b/nix/lib.nix
index a9078f48..481d4b28 100644
--- a/nix/lib.nix
+++ b/nix/lib.nix
@@ -21,12 +21,13 @@
             default = "./data/${name}";
             description = "The directory where all data for `${service}.<name>` is stored";
           };
-          namespace = lib.mkOption {
-            description = ''
-              Namespace for the ${service} service
-            '';
-            default = "${service}.${name}";
-            type = lib.types.str;
+          processSettings = lib.mkOption {
+            type = lib.types.lazyAttrsOf lib.types.deferredModule;
+            description = "Settings for a process-compose process defined in this service";
+            default = { };
+            apply = v: {
+              processes = v;
+            };
           };
           outputs = {
             defaultProcessSettings = lib.mkOption {
@@ -37,7 +38,7 @@
                 Default settings for all processes under the ${service} service
               '';
               default = {
-                namespace = lib.mkDefault config.namespace;
+                namespace = lib.mkDefault "${service}.${name}";
               };
             };
             settings = lib.mkOption {
@@ -48,7 +49,12 @@
               '';
               apply = v: v // {
                 processes = lib.flip lib.mapAttrs v.processes (_: cfg:
-                  { imports = [ config.outputs.defaultProcessSettings cfg ]; }
+                  {
+                    imports = [
+                      config.outputs.defaultProcessSettings
+                      cfg
+                    ];
+                  }
                 );
               };
             };
@@ -77,7 +83,8 @@
           imports =
             lib.pipe config.services.${service} [
               (lib.filterAttrs (_: cfg: cfg.enable))
-              (lib.mapAttrsToList (_: cfg: cfg.outputs.settings))
+              (lib.mapAttrsToList (_: cfg: [ cfg.outputs.settings cfg.processSettings ]))
+              lib.concatLists
             ];
         };
       };