diff --git a/core/server/api_container/server/startosis_engine/plan.yml b/core/server/api_container/server/startosis_engine/plan.yml
index c26abe3fcb..3e0301a898 100644
--- a/core/server/api_container/server/startosis_engine/plan.yml
+++ b/core/server/api_container/server/startosis_engine/plan.yml
@@ -1,13 +1,22 @@
 packageId: github.com/kurtosis-tech/plan-yaml-prac
 services:
 - uuid: 1
-  name: database
+  name: db
   image:
-    name: postgres:latest
-- uuid: 2
-  name: tedi
-  image:
-    name: ubuntu:latest
+    name: postgres:alpine
   envVars:
-  - key: DB_URL
-    value: '{{ kurtosis.1.ip_address }}'
+  - key: POSTGRES_PASSWORD
+    value: tedi
+  - key: POSTGRES_DB
+    value: tedi
+  - key: POSTGRES_USER
+    value: tedi
+tasks:
+- uuid: 2
+  taskType: exec
+  command:
+  - echo
+  - Hello, world
+  serviceName: db
+  acceptableCodes:
+  - 156
diff --git a/core/server/api_container/server/startosis_engine/plan_yaml.go b/core/server/api_container/server/startosis_engine/plan_yaml.go
index f5a979218f..c8a9ab3b39 100644
--- a/core/server/api_container/server/startosis_engine/plan_yaml.go
+++ b/core/server/api_container/server/startosis_engine/plan_yaml.go
@@ -82,7 +82,7 @@ type Task struct {
 	Uuid     int              `yaml:"uuid,omitempty"`     // done
 	Name     string           `yaml:"name,omitempty"`     // done
 	TaskType TaskType         `yaml:"taskType,omitempty"` // done
-	RunCmd   string           `yaml:"command,omitempty"`  // done
+	RunCmd   []string         `yaml:"command,omitempty"`  // done
 	Image    string           `yaml:"image,omitempty"`    // done
 	Files    []*FileMount     `yaml:"files,omitempty"`    // done
 	Store    []*FilesArtifact `yaml:"store,omitempty"`    // done
diff --git a/core/server/api_container/server/startosis_engine/plan_yaml_generator.go b/core/server/api_container/server/startosis_engine/plan_yaml_generator.go
index b35ef363cd..f9faf2a62a 100644
--- a/core/server/api_container/server/startosis_engine/plan_yaml_generator.go
+++ b/core/server/api_container/server/startosis_engine/plan_yaml_generator.go
@@ -421,7 +421,7 @@ func (pyg *PlanYamlGeneratorImpl) updatePlanYamlFromRunSh(runShInstruction *inst
 	if err != nil {
 		return startosis_errors.WrapWithInterpretationError(err, "Unable to extract value for '%s' argument", tasks.RunArgName)
 	}
-	task.RunCmd = runCommand.GoString()
+	task.RunCmd = []string{runCommand.GoString()}
 
 	var image string
 	if arguments.IsSet(tasks.ImageNameArgName) {
@@ -550,7 +550,7 @@ func (pyg *PlanYamlGeneratorImpl) updatePlanYamlFromRunPython(runPythonInstructi
 	if err != nil {
 		return startosis_errors.WrapWithInterpretationError(err, "Unable to extract value for '%s' argument", tasks.RunArgName)
 	}
-	task.RunCmd = runCommand.GoString()
+	task.RunCmd = []string{runCommand.GoString()}
 
 	var image string
 	if arguments.IsSet(tasks.ImageNameArgName) {
@@ -747,7 +747,20 @@ func (pyg *PlanYamlGeneratorImpl) updatePlanYamlFromExec(execInstruction *instru
 	if interpretationErr != nil {
 		return interpretationErr
 	}
-	task.RunCmd = commandStarlarkList.String()
+	// Convert Starlark list to Go slice
+	var cmdList []string
+	iter := commandStarlarkList.Iterate()
+	defer iter.Done()
+	var x starlark.Value
+	for iter.Next(&x) {
+		if i, ok := x.(starlark.String); ok {
+			cmdList = append(cmdList, i.GoString())
+		} else {
+			// Handle the case if the element is not an integer
+			fmt.Println("Non-string element found in Starlark list")
+		}
+	}
+	task.RunCmd = cmdList
 
 	acceptableCodes := []int64{0}
 	if arguments.IsSet(exec.AcceptableCodesArgName) {
diff --git a/core/server/api_container/server/startosis_engine/plan_yaml_generator_test.go b/core/server/api_container/server/startosis_engine/plan_yaml_generator_test.go
index 9e74102865..189e2385ca 100644
--- a/core/server/api_container/server/startosis_engine/plan_yaml_generator_test.go
+++ b/core/server/api_container/server/startosis_engine/plan_yaml_generator_test.go
@@ -137,23 +137,24 @@ CMD ["node", "app.js"]
 	relativePathToMainFile := "main.star"
 
 	serializedScript := `def run(plan, args):
-    database = plan.add_service(
-        name="database",
-        config=ServiceConfig(
-            image="postgres:latest",
-        )
-    )
-
     plan.add_service(
-        name="tedi",
+        name="db",
         config=ServiceConfig(
-            image="ubuntu:latest",
-            env_vars={
-                "DB_URL": database.ip_address 
-            },
+            image="postgres:alpine",
+            env_vars = {
+                "POSTGRES_DB": "tedi",
+                "POSTGRES_USER": "tedi",
+                "POSTGRES_PASSWORD": "tedi",
+            }
         )
     )
 
+    result = plan.exec(
+        service_name = "db",
+        recipe = ExecRecipe(command = ["echo", "Hello, world"]),
+        acceptable_codes=[156],
+    )
+    plan.print(result)
 `
 	serializedJsonParams := "{}"
 	_, instructionsPlan, interpretationError := suite.interpreter.Interpret(context.Background(), packageId, mainFunctionName, noPackageReplaceOptions, relativePathToMainFile, serializedScript, serializedJsonParams, defaultNonBlockingMode, emptyEnclaveComponents, emptyInstructionsPlanMask)