diff --git a/charts/guardrails/Chart.yaml b/charts/guardrails/Chart.yaml
index c8a2349..4d94184 100644
--- a/charts/guardrails/Chart.yaml
+++ b/charts/guardrails/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: guardrails
 description: A Helm chart for WhyLabs Guardrails
 type: application
-version: 0.3.1
+version: 0.4.0
 appVersion: "2.0.1"
diff --git a/charts/guardrails/README.md b/charts/guardrails/README.md
index 057c59d..b100f27 100644
--- a/charts/guardrails/README.md
+++ b/charts/guardrails/README.md
@@ -1,6 +1,6 @@
 # guardrails
 
-![Version: 0.3.1](https://img.shields.io/badge/Version-0.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.1](https://img.shields.io/badge/AppVersion-2.0.1-informational?style=flat-square)
+![Version: 0.4.0](https://img.shields.io/badge/Version-0.4.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.1](https://img.shields.io/badge/AppVersion-2.0.1-informational?style=flat-square)
 
 A Helm chart for WhyLabs Guardrails
 
@@ -110,14 +110,14 @@ release_name=""
 # the working directory or --destination path
 helm pull \
   oci://ghcr.io/whylabs/guardrails \
-  --version 0.3.1
+  --version 0.4.0
 
 # Requires the helm-diff plugin to be installed:
 # helm plugin install https://github.com/databus23/helm-diff
 helm diff upgrade \
   --allow-unreleased \
   --namespace "${target_namespace}" \
-  "${release_name}" guardrails-0.3.1.tgz
+  "${release_name}" guardrails-0.4.0.tgz
 ```
 
 After you've installed the repo you can install the chart.
@@ -126,7 +126,7 @@ After you've installed the repo you can install the chart.
 helm upgrade --install \
   --create-namespace \
   --namespace "${target_namespace}" \
-  "${release_name}" guardrails-0.3.1.tgz
+  "${release_name}" guardrails-0.4.0.tgz
 ```
 
 ## Exposing Guardrails Outside Kubernetes
@@ -196,6 +196,10 @@ utilization.
 |-----|------|---------|-------------|
 | affinity | object | `{}` | Affinity settings for `Pod` [scheduling](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/). If an explicit label selector is not provided for pod affinity or pod anti-affinity one will be created from the pod selector labels. |
 | autoscaling | object | `{"enabled":false,"maxReplicas":100,"minReplicas":1,"targetCPUUtilizationPercentage":70}` | [Horizontal Pod Autoscaler](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/) configuration for the `guardrails` container. |
+| cache.annotations | object | `{}` |  |
+| cache.enable | bool | `false` |  |
+| cache.labels | object | `{}` |  |
+| cache.replicaCount | int | `1` |  |
 | commonLabels | object | `{}` | Labels to add to all chart resources. |
 | env | object | `{}` | [Environment variables](https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/) for the `guardrails` container. |
 | envFrom | list | `[{"secretRef":{"name":"whylabs-guardrails-api-key","optional":true}},{"secretRef":{"name":"whylabs-guardrails-api-secret","optional":true}}]` | Create environment variables from Kubernetes secrets or config maps. |
diff --git a/charts/guardrails/templates/configmap-cache.yaml b/charts/guardrails/templates/configmap-cache.yaml
new file mode 100644
index 0000000..fb68d6c
--- /dev/null
+++ b/charts/guardrails/templates/configmap-cache.yaml
@@ -0,0 +1,63 @@
+{{- if .Values.cache.enable }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-cache
+data:
+  nginx.conf: |
+    pid /tmp/nginx.pid;
+    events {
+      worker_connections 1024;
+    }
+    http {
+      proxy_cache_path /tmp/nginx_cache levels=1:2 keys_zone=my_cache:10m max_size=1g 
+      inactive=60m use_temp_path=off;
+      client_body_temp_path /tmp/client_temp;
+      proxy_temp_path       /tmp/proxy_temp_path;
+      fastcgi_temp_path     /tmp/fastcgi_temp;
+      uwsgi_temp_path       /tmp/uwsgi_temp;
+      scgi_temp_path        /tmp/scgi_temp;
+      server {
+        listen 8080;
+        server_name localhost;
+        location /v1/policy/list {
+          include cache_config.conf;
+          include common_proxy.conf;
+          proxy_cache_key "$request_uri|$http_x_whylabs_organization";
+        }
+        location /v1/organizations/managed-organizations {
+          include cache_config.conf;
+          include common_proxy.conf;
+          proxy_cache_key "$request_uri|$http_x_whylabs_organization";
+        }
+        location /v1/policy {
+          include cache_config.conf;
+          include common_proxy.conf;
+          proxy_cache_key "$request_uri|$http_x_whylabs_organization";
+        }
+        location /v1/api-key/validate {
+          include cache_config.conf;
+          include common_proxy.conf;
+          proxy_cache_key "$request_uri|$http_x_api_key";
+        }
+        location / {
+          include common_proxy.conf;
+        }
+      }
+    }
+  cache_config.conf: |
+    proxy_cache my_cache;
+    proxy_cache_valid 200 403 1m;
+    proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
+    add_header X-Cache-Status $upstream_cache_status always;
+  common_proxy.conf: |
+    proxy_pass https://songbird.development.whylabsdev.com;
+    proxy_set_header Host songbird.development.whylabsdev.com;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header Accept $http_accept;
+    proxy_set_header Accept-Encoding $http_accept_encoding;
+    proxy_set_header X-API-Key $http_x_api_key;
+    proxy_set_header X-WhyLabs-Organization $http_x_whylabs_organization;
+{{- end }}
diff --git a/charts/guardrails/templates/deployment-cache.yaml b/charts/guardrails/templates/deployment-cache.yaml
new file mode 100644
index 0000000..c86d92d
--- /dev/null
+++ b/charts/guardrails/templates/deployment-cache.yaml
@@ -0,0 +1,76 @@
+{{- if .Values.cache.enable }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-cache
+  labels:
+    {{- include "guardrails.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.cache.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-cache
+  template:
+    metadata:
+      {{- with .Values.cache.annotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "guardrails.labels" . | nindent 8 }}
+        app: {{ .Release.Name }}-cache
+    spec:
+      serviceAccountName: {{ include "guardrails.serviceAccountName" . }}
+      containers:
+        - name: nginx
+          securityContext:
+            privileged: false
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            runAsNonRoot: true
+            runAsUser: 101
+            runAsGroup: 101
+            fsGroup: 101
+            capabilities:
+              drop: ["ALL"]
+          image: "nginxinc/nginx-unprivileged:latest"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          volumeMounts:
+            - name: nginx-config
+              mountPath: /etc/nginx/nginx.conf
+              subPath: nginx.conf
+            - name: nginx-config
+              mountPath: /etc/nginx/cache_config.conf
+              subPath: cache_config.conf
+            - name: nginx-config
+              mountPath: /etc/nginx/common_proxy.conf
+              subPath: common_proxy.conf
+            - name: nginx-temp
+              mountPath: /tmp
+            - name: nginx-cache
+              mountPath: /var/cache/nginx
+      volumes:
+        - name: nginx-temp
+          emptyDir: {}
+        - name: nginx-cache
+          emptyDir: {}
+        - name: nginx-config
+          configMap:
+            name: {{ include "guardrails.fullname" . }}-cache
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+{{- end }}
diff --git a/charts/guardrails/templates/service-cache.yaml b/charts/guardrails/templates/service-cache.yaml
new file mode 100644
index 0000000..4965a64
--- /dev/null
+++ b/charts/guardrails/templates/service-cache.yaml
@@ -0,0 +1,15 @@
+{{- if .Values.cache.enable }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-cache
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      protocol: TCP
+      port: 80
+      targetPort: 8080
+  selector:
+    app: {{ .Release.Name }}-cache
+{{- end }}
diff --git a/charts/guardrails/values.yaml b/charts/guardrails/values.yaml
index a9de091..6e90368 100644
--- a/charts/guardrails/values.yaml
+++ b/charts/guardrails/values.yaml
@@ -1,3 +1,9 @@
+cache:
+  enable: false
+  replicaCount: 1
+  annotations: {}
+  labels: {}
+
 # -- Number of replicas for the service.
 replicaCount: 4