diff --git a/charts/funkwhale/Chart.yaml b/charts/funkwhale/Chart.yaml
index a8f4da4..209d84b 100644
--- a/charts/funkwhale/Chart.yaml
+++ b/charts/funkwhale/Chart.yaml
@@ -10,3 +10,4 @@ dependencies:
 - name: redis
   version: ~10.6.10
   repository: https://charts.bitnami.com/bitnami
+  condition: redis.enabled
diff --git a/charts/funkwhale/templates/_helpers.tpl b/charts/funkwhale/templates/_helpers.tpl
index c3f3c9d..5bf807d 100644
--- a/charts/funkwhale/templates/_helpers.tpl
+++ b/charts/funkwhale/templates/_helpers.tpl
@@ -7,11 +7,7 @@ Expand the name of the chart.
 {{- end -}}
 
 {{- define "funkwhale.dbUrl" -}}
-postgres://{{ .Values.database.user}}:{{ .Values.database.password }}@{{ .Values.database.host }}:{{ .Values.database.port }}/{{ .Values.database.database }}
-{{- end -}}
-
-{{- define "funkwhale.redisUrl" -}}
-redis://:{{ .Values.redis.password }}@{{ .Values.redis.host | default (printf "%s-%s" (include "funkwhale.fullname" .) "redis-master") }}:{{ .Values.redis.redisPort }}/0
+postgres://{{ .Values.database.user }}:{{ .Values.database.password }}@{{ .Values.database.host }}:{{ .Values.database.port }}/{{ .Values.database.database }}
 {{- end -}}
 
 {{/*
@@ -45,3 +41,15 @@ Create the correct image tag name
 {{- define "funkwhale.imageTag" -}}
 {{- .Values.image.tag | default .Chart.AppVersion -}}
 {{- end -}}
+
+{{- define "funkwhale.redisUrl" -}}
+{{- if and .Values.redis.enabled .Values.redis.host -}}
+{{ fail "Setting both redis.enabled and redis.host will deploy an internal Redis service and attempt to use an external one - please set only one of the two!" }}
+{{- else if .Values.redis.enabled -}}
+redis://:{{ .Values.redis.password }}@{{ template "funkwhale.fullname" . }}-redis-master:{{ .Values.redis.redisPort }}/0
+{{- else if .Values.redis.host -}}
+redis://:{{ .Values.redis.password }}@{{ .Values.redis.host }}:{{ .Values.redis.redisPort }}/0
+{{- else -}}
+{{ fail "Either redis.enabled or redis.host are required!" }}
+{{- end -}}
+{{- end -}}
diff --git a/charts/funkwhale/templates/deployment.yaml b/charts/funkwhale/templates/deployment.yaml
index 6fbf379..bd80a91 100644
--- a/charts/funkwhale/templates/deployment.yaml
+++ b/charts/funkwhale/templates/deployment.yaml
@@ -52,6 +52,17 @@ spec:
               command:
                 - stat
                 - /run/funkwhale/funkwhale.sock
+            failureThreshold: {{ .Values.api.readinessProbe.failureThreshold | default 3 }}
+            periodSeconds: {{ .Values.api.readinessProbe.periodSeconds | default 5 }}
+            initialDelaySeconds:  {{ .Values.api.readinessProbe.initialDelaySeconds | default 5 }}
+          startupProbe:
+            exec:
+              command:
+                - stat
+                - /run/funkwhale/funkwhale.sock
+            failureThreshold: {{ .Values.api.startupProbe.failureThreshold | default 3 }}
+            periodSeconds: {{ .Values.api.startupProbe.periodSeconds | default 20 }}
+            initialDelaySeconds:  {{ .Values.api.startupProbe.initialDelaySeconds | default 5 }}
           envFrom:
           - configMapRef:
               name: {{ include "funkwhale.fullname" . }}
@@ -97,9 +108,21 @@ spec:
             httpGet:
               path: /
               port: http
+            failureThreshold: {{ .Values.front.livenessProbe.failureThreshold | default 3 }}
+            periodSeconds: {{ .Values.front.livenessProbe.periodSeconds | default 20 }}
+            initialDelaySeconds:  {{ .Values.front.livenessProbe.initialDelaySeconds | default 15 }}
           readinessProbe:
             tcpSocket:
               port: http
+            failureThreshold: {{ .Values.front.readinessProbe.failureThreshold | default 3 }}
+            periodSeconds: {{ .Values.front.readinessProbe.periodSeconds | default 5 }}
+            initialDelaySeconds:  {{ .Values.front.readinessProbe.initialDelaySeconds | default 5 }}
+          startupProbe:
+            tcpSocket:
+              port: http
+            failureThreshold: {{ .Values.front.startupProbe.failureThreshold | default 3 }}
+            periodSeconds: {{ .Values.front.startupProbe.periodSeconds | default 20 }}
+            initialDelaySeconds:  {{ .Values.front.startupProbe.initialDelaySeconds | default 5 }}
           volumeMounts:
             - mountPath: /run/funkwhale
               name: funkwhale-sock
diff --git a/charts/funkwhale/templates/secret.yaml b/charts/funkwhale/templates/secret.yaml
index fbc05a1..77f68a6 100644
--- a/charts/funkwhale/templates/secret.yaml
+++ b/charts/funkwhale/templates/secret.yaml
@@ -1,3 +1,5 @@
+{{- $secret := (lookup "v1" "Secret" .Release.Namespace (include "funkwhale.fullname" .)) -}}
+
 apiVersion: v1
 kind: Secret
 metadata:
@@ -10,7 +12,11 @@ metadata:
 data:
   CACHE_URL: {{ include "funkwhale.redisUrl" . | b64enc }}
   DATABASE_URL: {{ include "funkwhale.dbUrl" . | b64enc }}
-  DJANGO_SECRET_KEY: {{ .Values.djangoSecret | b64enc }}
+  {{ if $secret -}}
+  DJANGO_SECRET_KEY: {{ $secret.data.DJANGO_SECRET_KEY }}
+  {{ else -}}
+  DJANGO_SECRET_KEY: {{ (.Values.djangoSecret | default uuidv4) | b64enc }}
+  {{ end }}
 
 {{- range $key, $val := .Values.extraSecret }}
   {{ $key }}: {{ $val | b64enc }}
diff --git a/charts/funkwhale/values.yaml b/charts/funkwhale/values.yaml
index a0f9834..345ef6c 100644
--- a/charts/funkwhale/values.yaml
+++ b/charts/funkwhale/values.yaml
@@ -47,6 +47,14 @@ database:
   database: funkwhale
 
 redis:
+  # If you already have a Redis service you'd like to use, set
+  # this to false and adjust the host to use your existing service.
+  enabled: true
+
+  host: ''
+  redisPort: 6379
+  password: 'funkwhale'
+
   cluster:
     enabled: false
   master:
@@ -55,9 +63,6 @@ redis:
   slave:
     persistence:
       enabled: false
-  password: funkwhale
-  redisPort: 6379
-  # host: {{ template "funkwhale.fullname" . }}-redis-master
 
 djangoSecret: ''
 
@@ -122,6 +127,8 @@ api:
   tolerations: []
 
   affinity: {}
+  readinessProbe: {}
+  startupProbe: {}
 
 front:
   image:
@@ -153,6 +160,9 @@ front:
   tolerations: []
 
   affinity: {}
+  readinessProbe: {}
+  livenessProbe: {}
+  startupProbe: {}
 
 celery:
   beat:
diff --git a/charts/matrix-synapse/values.yaml b/charts/matrix-synapse/values.yaml
index 54483a3..cb38ddb 100644
--- a/charts/matrix-synapse/values.yaml
+++ b/charts/matrix-synapse/values.yaml
@@ -159,8 +159,8 @@ synapse:
   ## Additional environment variables to apply to the main Synapse pod
   ##
   extraEnv: {}
-  #  - name: USE_JEMALLOC
-  #    value: "1"
+  #  - name: LD_PRELOAD
+  #    value: /usr/lib/x86_64-linux-gnu/libjemalloc.so.2
   #  - name: SYNAPSE_CACHE_FACTOR
   #    value: "2"
 
@@ -263,8 +263,8 @@ workers:
     ## Additional environment variables to add to the worker.
     ##
     extraEnv: {}
-    #  - name: USE_JEMALLOC
-    #    value: "1"
+    #  - name: LD_PRELOAD
+    #    value: /usr/lib/x86_64-linux-gnu/libjemalloc.so.2
     #  - name: SYNAPSE_CACHE_FACTOR
     #    value: "1.0"