diff --git a/templates/analytics/analytics-deployment.yaml b/templates/analytics/analytics-deployment.yaml
index 9613c2e..ef3c73c 100644
--- a/templates/analytics/analytics-deployment.yaml
+++ b/templates/analytics/analytics-deployment.yaml
@@ -69,4 +69,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases  | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/cas/cas-deployment.yaml b/templates/cas/cas-deployment.yaml
index 83db0b6..3bd4f99 100644
--- a/templates/cas/cas-deployment.yaml
+++ b/templates/cas/cas-deployment.yaml
@@ -71,4 +71,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/console/console-deployment.yaml b/templates/console/console-deployment.yaml
index cbdbfc3..915838e 100644
--- a/templates/console/console-deployment.yaml
+++ b/templates/console/console-deployment.yaml
@@ -78,4 +78,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8  }}
+      {{- end }}
 {{- end }}
diff --git a/templates/datafeeder/datafeeder-deployment.yaml b/templates/datafeeder/datafeeder-deployment.yaml
index 1ab8727..83a709e 100644
--- a/templates/datafeeder/datafeeder-deployment.yaml
+++ b/templates/datafeeder/datafeeder-deployment.yaml
@@ -128,4 +128,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/datafeeder/import-deployment.yaml b/templates/datafeeder/import-deployment.yaml
index b4a09f5..c989ee8 100644
--- a/templates/datafeeder/import-deployment.yaml
+++ b/templates/datafeeder/import-deployment.yaml
@@ -73,4 +73,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/gateway/gateway-deployment.yaml b/templates/gateway/gateway-deployment.yaml
index 8be8eda..013db63 100644
--- a/templates/gateway/gateway-deployment.yaml
+++ b/templates/gateway/gateway-deployment.yaml
@@ -78,4 +78,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/geonetwork/elasticsearch/es-deployment.yaml b/templates/geonetwork/elasticsearch/es-deployment.yaml
index 532b354..6cf0c03 100644
--- a/templates/geonetwork/elasticsearch/es-deployment.yaml
+++ b/templates/geonetwork/elasticsearch/es-deployment.yaml
@@ -60,5 +60,9 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
 
diff --git a/templates/geonetwork/geonetwork-deployment.yaml b/templates/geonetwork/geonetwork-deployment.yaml
index 18c3f1f..590dedc 100644
--- a/templates/geonetwork/geonetwork-deployment.yaml
+++ b/templates/geonetwork/geonetwork-deployment.yaml
@@ -120,4 +120,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/geonetwork/kibana/kibana-deployment.yaml b/templates/geonetwork/kibana/kibana-deployment.yaml
index 736adbc..25b2748 100644
--- a/templates/geonetwork/kibana/kibana-deployment.yaml
+++ b/templates/geonetwork/kibana/kibana-deployment.yaml
@@ -45,4 +45,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/geonetwork/ogc-api-records/ogc-api-records-deployment.yaml b/templates/geonetwork/ogc-api-records/ogc-api-records-deployment.yaml
index a4dbc3c..bedd1ab 100644
--- a/templates/geonetwork/ogc-api-records/ogc-api-records-deployment.yaml
+++ b/templates/geonetwork/ogc-api-records/ogc-api-records-deployment.yaml
@@ -90,4 +90,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end -}}
diff --git a/templates/geoserver/geoserver-deployment.yaml b/templates/geoserver/geoserver-deployment.yaml
index 04341e0..04f3614 100644
--- a/templates/geoserver/geoserver-deployment.yaml
+++ b/templates/geoserver/geoserver-deployment.yaml
@@ -260,4 +260,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/geowebcache/geowebcache-deployment.yaml b/templates/geowebcache/geowebcache-deployment.yaml
index b20858b..61df4eb 100644
--- a/templates/geowebcache/geowebcache-deployment.yaml
+++ b/templates/geowebcache/geowebcache-deployment.yaml
@@ -110,4 +110,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/header/header-deployment.yaml b/templates/header/header-deployment.yaml
index 07d8a2e..c0cd860 100644
--- a/templates/header/header-deployment.yaml
+++ b/templates/header/header-deployment.yaml
@@ -81,5 +81,9 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
 
diff --git a/templates/ldap/openldap-deployment.yaml b/templates/ldap/openldap-deployment.yaml
index a9c476f..bff6b37 100644
--- a/templates/ldap/openldap-deployment.yaml
+++ b/templates/ldap/openldap-deployment.yaml
@@ -88,4 +88,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/mapstore/mapstore-deployment.yaml b/templates/mapstore/mapstore-deployment.yaml
index a2b95cf..7684847 100644
--- a/templates/mapstore/mapstore-deployment.yaml
+++ b/templates/mapstore/mapstore-deployment.yaml
@@ -94,5 +94,9 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
 
diff --git a/templates/security-proxy/security-proxy-deployment.yaml b/templates/security-proxy/security-proxy-deployment.yaml
index 2e04893..86b926f 100644
--- a/templates/security-proxy/security-proxy-deployment.yaml
+++ b/templates/security-proxy/security-proxy-deployment.yaml
@@ -118,4 +118,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end }}
diff --git a/templates/smtp-smarthost/smtp-deployment.yaml b/templates/smtp-smarthost/smtp-deployment.yaml
index 3d57695..7c0886c 100644
--- a/templates/smtp-smarthost/smtp-deployment.yaml
+++ b/templates/smtp-smarthost/smtp-deployment.yaml
@@ -68,4 +68,8 @@ spec:
       tolerations:
         {{- $webapp.tolerations | toYaml | nindent 8 }}
       {{- end }}
+      {{- if .Values.hostAliases }}
+      hostAliases:
+        {{- .Values.hostAliases | toYaml | nindent 8 }}
+      {{- end }}
 {{- end -}}
diff --git a/values.yaml b/values.yaml
index 09345f2..6e748a5 100644
--- a/values.yaml
+++ b/values.yaml
@@ -115,7 +115,7 @@ georchestra:
         harvester_logs:
           enabled: false
           schedule: "0 1 * * *"
-        tolerations: [] 
+        tolerations: []
       service:
         annotations: {}
     geoserver:
@@ -392,3 +392,10 @@ rabbitmq:
 #    pv_name: rabbitmq-data
 #    storage_class_name: default
 #    size: 1Gi
+
+# Allow to override /etc/hosts for ALL apps
+# https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/
+hostAliases: []
+# - ip: "127.0.0.1"
+#   hostnames:
+#   - "host.alias.com"