From 8faeee5594e08a1eef4acdb68cdf1f7bb18b0e32 Mon Sep 17 00:00:00 2001
From: Guilhem Lavaux <guilhem.lavaux@iap.fr>
Date: Thu, 14 Nov 2024 08:25:23 +0100
Subject: [PATCH] add env

---
 templates/deployment.yaml | 29 +++++++++++++++++++++++++++++
 values.yaml               | 30 ++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)

diff --git a/templates/deployment.yaml b/templates/deployment.yaml
index 0194f64..0dab941 100644
--- a/templates/deployment.yaml
+++ b/templates/deployment.yaml
@@ -24,6 +24,35 @@ spec:
           volumeMounts:
             - name: data
               mountPath: /data
+          env:
+            {{- with .Values.env.plain }}
+            {{- toYaml . | nindent 12 }}
+            {{- end }}
+            {{- range .Values.env.configMapKeys }}
+            - name: {{ .name }}
+              valueFrom:
+                configMapKeyRef:
+                  name: {{ .configMapName }}
+                  key: {{ .key }}
+            {{- end }}
+            {{- range .Values.env.secretKeys }}
+            - name: {{ .name }}
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .secretName }}
+                  key: {{ .key }}
+            {{- end }}
+          envFrom:
+            {{- range .Values.env.configMapRefs }}
+            - configMapRef:
+                name: {{ .name }}
+                optional: {{ .optional | default false }}
+            {{- end }}
+            {{- range .Values.env.secretRefs }}
+            - secretRef:
+                name: {{ .name }}
+                optional: {{ .optional | default false }}
+            {{- end }}
       volumes:
         - name: data
           persistentVolumeClaim:
diff --git a/values.yaml b/values.yaml
index 745148c..4aa7a16 100644
--- a/values.yaml
+++ b/values.yaml
@@ -35,3 +35,33 @@ ingress:
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"
     # cert-manager.io/cluster-issuer: "letsencrypt-prod"
+
+
+# Environment variables to be passed to the container
+env:
+  # Direct environment variables
+  plain:
+    - name: APP_NAME
+      value: "my-app"
+    - name: PORT
+      value: "8080"
+  
+  # Environment variables from ConfigMaps
+  configMapRefs:
+    - name: app-config  # Reference an existing ConfigMap
+      optional: true    # Make it optional
+    
+  configMapKeys:
+    - name: CONFIG_KEY
+      configMapName: app-config
+      key: config.key
+  
+  # Environment variables from Secrets
+  secretRefs:
+    - name: app-secrets  # Reference an existing Secret
+      optional: true     # Make it optional
+    
+  secretKeys:
+    - name: API_KEY
+      secretName: app-secrets
+      key: api.key