diff --git a/internal/controller/mapserver/deployment.go b/internal/controller/mapserver/deployment.go
index a35d80e..e1b75e4 100644
--- a/internal/controller/mapserver/deployment.go
+++ b/internal/controller/mapserver/deployment.go
@@ -218,12 +218,24 @@ func GetEnvVarsForDeployment[O pdoknlv3.WMSWFS](obj O, blobsSecretName string) [
 // Resources for mapserver container
 func GetResourcesForDeployment[O pdoknlv3.WMSWFS](obj O) v1.ResourceRequirements {
 	resources := v1.ResourceRequirements{
-		Limits: v1.ResourceList{
-			v1.ResourceMemory: resource.MustParse("800M"),
-		},
-		Requests: v1.ResourceList{
-			v1.ResourceCPU: resource.MustParse("0.15"),
-		},
+		Limits:   v1.ResourceList{},
+		Requests: v1.ResourceList{},
+	}
+
+	maxResourceVal := func(v1 *resource.Quantity, v2 *resource.Quantity) *resource.Quantity {
+		if v1 != nil && v2 != nil {
+			if v1.Value() > v2.Value() {
+				return v1
+			} else {
+				return v2
+			}
+		} else if v1 != nil && v2 == nil {
+			return v1
+		} else if v1 == nil || v2 != nil {
+			return v2
+		}
+
+		return &resource.Quantity{}
 	}
 
 	objResources := &v1.ResourceRequirements{}
@@ -243,38 +255,51 @@ func GetResourcesForDeployment[O pdoknlv3.WMSWFS](obj O) v1.ResourceRequirements
 
 	}
 
-	if obj.Type() == pdoknlv3.ServiceTypeWMS && obj.Options().UseWebserviceProxy() {
-		resources.Requests[v1.ResourceCPU] = resource.MustParse("0.1")
+	/**
+	Set CPU request and limit
+	*/
+	cpuRequest := objResources.Requests.Cpu()
+	if cpuRequest == nil || cpuRequest.IsZero() {
+		cpuRequest = smoothoperatorutils.Pointer(resource.MustParse("0.15"))
+		if obj.Type() == pdoknlv3.ServiceTypeWMS && obj.Options().UseWebserviceProxy() {
+			cpuRequest = smoothoperatorutils.Pointer(resource.MustParse("0.1"))
+		}
+	}
+	resources.Requests[v1.ResourceCPU] = *cpuRequest
+
+	cpuLimit := objResources.Limits.Cpu()
+	if cpuLimit != nil && !cpuLimit.IsZero() {
+		resources.Limits[v1.ResourceCPU] = *maxResourceVal(cpuLimit, cpuRequest)
 	}
 
-	if objResources.Limits.Cpu() != nil && objResources.Requests.Cpu().Value() > resources.Requests.Cpu().Value() {
-		resources.Limits[v1.ResourceCPU] = *objResources.Limits.Cpu()
+	/**
+	Set memory limit/request if the request is higher than the limit the request is used as limit
+	*/
+	memoryRequest := objResources.Requests.Memory()
+	if memoryRequest != nil && !memoryRequest.IsZero() {
+		resources.Requests[v1.ResourceMemory] = *memoryRequest
 	}
 
-	if objResources.Requests.Memory() != nil && !objResources.Requests.Memory().IsZero() {
-		resources.Requests[v1.ResourceMemory] = *objResources.Requests.Memory()
+	memoryLimit := objResources.Limits.Memory()
+	if memoryLimit == nil || memoryLimit.IsZero() {
+		memoryLimit = smoothoperatorutils.Pointer(resource.MustParse("800M"))
 	}
+	resources.Limits[v1.ResourceMemory] = *maxResourceVal(memoryLimit, memoryRequest)
 
+	/**
+	Set ephemeral-storage if there is no ephemeral volume
+	*/
 	if use, _ := mapperutils.UseEphemeralVolume(obj); !use {
-		minimumEphemeralStorageLimit := resource.MustParse("200M")
 		ephemeralStorageRequest := mapperutils.EphemeralStorageRequest(obj)
-		ephemeralStorageLimit := mapperutils.EphemeralStorageLimit(obj)
-
 		if ephemeralStorageRequest != nil {
 			resources.Requests[v1.ResourceEphemeralStorage] = *ephemeralStorageRequest
 		}
 
-		if ephemeralStorageLimit != nil && ephemeralStorageLimit.Value() > minimumEphemeralStorageLimit.Value() {
-			// Request higher than limit, use request as limit
-			if ephemeralStorageRequest != nil && ephemeralStorageRequest.Value() > ephemeralStorageLimit.Value() {
-				resources.Limits[v1.ResourceEphemeralStorage] = *ephemeralStorageRequest
-			} else {
-				resources.Limits[v1.ResourceEphemeralStorage] = *ephemeralStorageLimit
-			}
-		} else {
-			// No limit given or the given limit is lower than the default, use default
-			resources.Limits[v1.ResourceEphemeralStorage] = minimumEphemeralStorageLimit
+		ephemeralStorageLimit := mapperutils.EphemeralStorageLimit(obj)
+		if ephemeralStorageLimit == nil || ephemeralStorageLimit.IsZero() {
+			ephemeralStorageLimit = smoothoperatorutils.Pointer(resource.MustParse("200M"))
 		}
+		resources.Limits[v1.ResourceEphemeralStorage] = *maxResourceVal(ephemeralStorageLimit, ephemeralStorageRequest)
 	}
 
 	return resources
diff --git a/internal/controller/wfs_controller_test.go b/internal/controller/wfs_controller_test.go
index 4920506..7d22550 100644
--- a/internal/controller/wfs_controller_test.go
+++ b/internal/controller/wfs_controller_test.go
@@ -241,7 +241,7 @@ var _ = Describe("WFS Controller", func() {
 			Expect(container.Ports[0].ContainerPort).Should(Equal(int32(80)))
 			Expect(container.Image).Should(Equal(reconcilerImages.MapserverImage))
 			Expect(container.ImagePullPolicy).Should(Equal(v1.PullIfNotPresent))
-			Expect(container.Resources.Limits.Memory().String()).Should(Equal("800M"))
+			Expect(container.Resources.Limits.Memory().String()).Should(Equal("12M"))
 			Expect(container.Resources.Requests.Cpu().String()).Should(Equal("150m"))
 			Expect(len(container.LivenessProbe.Exec.Command)).Should(Equal(3))
 			Expect(container.LivenessProbe.Exec.Command[2]).Should(Equal("wget -SO- -T 10 -t 2 'http://127.0.0.1:80/mapserver?SERVICE=wfs&request=GetCapabilities' 2>&1 | egrep -aiA10 'HTTP/1.1 200' | egrep -i 'Content-Type: text/xml'"))
diff --git a/internal/controller/wms_controller_test.go b/internal/controller/wms_controller_test.go
index 0618244..79c03e9 100644
--- a/internal/controller/wms_controller_test.go
+++ b/internal/controller/wms_controller_test.go
@@ -237,7 +237,7 @@ var _ = Describe("WMS Controller", func() {
 			Expect(containerMapserver.Ports[0].ContainerPort).Should(Equal(int32(80)))
 			Expect(containerMapserver.Image).Should(Equal(reconcilerImages.MapserverImage))
 			Expect(containerMapserver.ImagePullPolicy).Should(Equal(corev1.PullIfNotPresent))
-			Expect(containerMapserver.Resources.Limits.Memory().String()).Should(Equal("800M"))
+			Expect(containerMapserver.Resources.Limits.Memory().String()).Should(Equal("12M"))
 			Expect(containerMapserver.Resources.Requests.Cpu().String()).Should(Equal("100m"))
 			Expect(len(containerMapserver.LivenessProbe.Exec.Command)).Should(Equal(3))
 			Expect(containerMapserver.LivenessProbe.Exec.Command[2]).Should(Equal("wget -SO- -T 10 -t 2 'http://127.0.0.1:80/mapserver?SERVICE=wms&request=GetCapabilities' 2>&1 | egrep -aiA10 'HTTP/1.1 200' | egrep -i 'Content-Type: text/xml'"))