diff --git a/packages/library/cozy-lib/templates/_resourcepresets.tpl b/packages/library/cozy-lib/templates/_resourcepresets.tpl
index 333b17a4..e1e95547 100644
--- a/packages/library/cozy-lib/templates/_resourcepresets.tpl
+++ b/packages/library/cozy-lib/templates/_resourcepresets.tpl
@@ -27,38 +27,17 @@ Return a resource request/limit object based on a given preset.
         "xlarge"  (dict "memory" "4Gi"   )
         "2xlarge" (dict "memory" "8Gi"   )
 }}
+{{-   $baseEphemeralStorage := dict
+        "nano"    (dict "ephemeral-storage" "2Gi" )
+        "micro"   (dict "ephemeral-storage" "2Gi" )
+        "small"   (dict "ephemeral-storage" "2Gi" )
+        "medium"  (dict "ephemeral-storage" "2Gi" )
+        "large"   (dict "ephemeral-storage" "2Gi" )
+        "xlarge"  (dict "ephemeral-storage" "2Gi" )
+        "2xlarge" (dict "ephemeral-storage" "2Gi" )
+}}
 
-{{- $presets := dict 
-  "nano" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "micro" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "small" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "medium" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "large" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "xlarge" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
-  "2xlarge" (dict 
-      "requests" (dict "ephemeral-storage" "50Mi")
-      "limits" (dict "ephemeral-storage" "2Gi")
-   )
- }}
-{{- $_ := merge $presets $baseCPU $baseMemory }}
+{{- $presets := merge $baseCPU $baseMemory $baseEphemeralStorage }}
 {{- if hasKey $presets $args -}}
 {{- $flatDict := index $presets $args }}
 {{- include "cozy-lib.resources.sanitize" (list $flatDict $global) }}
diff --git a/packages/library/cozy-lib/templates/_resources.tpl b/packages/library/cozy-lib/templates/_resources.tpl
index 8a2ceb8a..8ea1fe10 100644
--- a/packages/library/cozy-lib/templates/_resources.tpl
+++ b/packages/library/cozy-lib/templates/_resources.tpl
@@ -1,6 +1,12 @@
 {{- define "cozy-lib.resources.defaultCpuAllocationRatio" }}
 {{-   `10` }}
 {{- end }}
+{{- define "cozy-lib.resources.defaultMemoryAllocationRatio" }}
+{{-   `1` }}
+{{- end }}
+{{- define "cozy-lib.resources.defaultEphemeralStorageAllocationRatio" }}
+{{-   `40` }}
+{{- end }}
 
 {{- define "cozy-lib.resources.cpuAllocationRatio" }}
 {{-   include "cozy-lib.loadCozyConfig" . }}
@@ -12,6 +18,27 @@
 {{-   end }}
 {{- end }}
 
+{{- define "cozy-lib.resources.memoryAllocationRatio" }}
+{{-   include "cozy-lib.loadCozyConfig" . }}
+{{-   $cozyConfig := index . 1 "cozyConfig" }}
+{{-   if not $cozyConfig }}
+{{-     include "cozy-lib.resources.defaultMemoryAllocationRatio" . }}
+{{-   else }}
+{{-     dig "data" "memory-allocation-ratio" (include "cozy-lib.resources.defaultMemoryAllocationRatio" dict) $cozyConfig }}
+{{-   end }}
+{{- end }}
+
+{{- define "cozy-lib.resources.ephemeralStorageAllocationRatio" }}
+{{-   include "cozy-lib.loadCozyConfig" . }}
+{{-   $cozyConfig := index . 1 "cozyConfig" }}
+{{-   if not $cozyConfig }}
+{{-     include "cozy-lib.resources.defaultEphemeralStorageAllocationRatio" . }}
+{{-   else }}
+{{-     dig "data" "ephemeral-storage-allocation-ratio" (include "cozy-lib.resources.defaultEphemeralStorageAllocationRatio" dict) $cozyConfig }}
+{{-   end }}
+{{- end }}
+
+
 {{- define "cozy-lib.resources.toFloat" -}}
     {{- $value := . -}}
     {{- $unit := 1.0 -}}
@@ -59,20 +86,32 @@
 */}}
 {{- define "cozy-lib.resources.sanitize" }}
 {{-   $cpuAllocationRatio := include "cozy-lib.resources.cpuAllocationRatio" . | float64 }}
+{{-   $memoryAllocationRatio := include "cozy-lib.resources.memoryAllocationRatio" . | float64 }}
+{{-   $ephemeralStorageAllocationRatio := include "cozy-lib.resources.ephemeralStorageAllocationRatio" . | float64 }}
 {{-   $args := index . 0 }}
 {{-   $output := dict "requests" dict "limits" dict }}
 {{-   if or (hasKey $args "limits") (hasKey $args "requests") }}
 {{-     fail "ERROR: A flat map of resources expected, not nested `requests:` or `limits:` sections." -}}
 {{-   end }}
 {{-   range $k, $v := $args }}
-{{-     if not (eq $k "cpu") }}
-{{-       $_ := set $output.requests $k $v }}
-{{-       $_ := set $output.limits $k $v }}
-{{-     else }}
+{{-     if eq $k "cpu" }}
 {{-       $vcpuRequestF64 := (include "cozy-lib.resources.toFloat" $v) | float64 }}
 {{-       $cpuRequestF64 := divf $vcpuRequestF64 $cpuAllocationRatio }}
 {{-       $_ := set $output.requests $k ($cpuRequestF64 | toString) }}
 {{-       $_ := set $output.limits $k $v }}
+{{-     else if eq $k "memory" }}
+{{-       $vMemoryRequestF64 := (include "cozy-lib.resources.toFloat" $v) | float64 }}
+{{-       $memoryRequestF64 := divf $vMemoryRequestF64 $memoryAllocationRatio }}
+{{-       $_ := set $output.requests $k ($memoryRequestF64 | int) }}
+{{-       $_ := set $output.limits $k $v }}
+{{-     else if eq $k "ephemeral-storage" }}
+{{-       $vEphemeralStorageRequestF64 := (include "cozy-lib.resources.toFloat" $v) | float64 }}
+{{-       $ephemeralStorageRequestF64 := divf $vEphemeralStorageRequestF64 $ephemeralStorageAllocationRatio }}
+{{-       $_ := set $output.requests $k ($ephemeralStorageRequestF64 | int) }}
+{{-       $_ := set $output.limits $k $v }}
+{{-     else }}
+{{-       $_ := set $output.requests $k $v }}
+{{-       $_ := set $output.limits $k $v }}
 {{-     end }}
 {{-   end }}
 {{-   $output | toYaml }}