use separate env file

ptp-chat/frontend-env.js

@@ -0,0 +1,7 @@
+window.__ENV__ = {
+  URL_KEYCLOAK: "https://keycloak.controller.bittehackmichnicht.de",
+  KEYCLOAK_REALM: "PraxistransferKeycloak",
+  KEYCLOAK_CLIENT_ID: "praxistransfer",
+  URL_FRONTEND: "https://ptp-chat.k8s.bittehackmichnicht.de",
+  URL_BACKEND: "https://ptp-chat.k8s.bittehackmichnicht.de/api"
+};

ptp-chat/kustomization.yaml

@@ -9,3 +9,8 @@ resources:
   - ptp-chat-istio.yaml
   - ptp-chat-sealed-secret.yaml
   - ptp-chat-pull-sealed-secret.yaml
+
+configMapGenerator:
+  - name: ptp-chat-frontend-env
+    files:
+      - frontend-env.js

ptp-chat/ptp-chat-backend.yaml

@@ -6,7 +6,6 @@ metadata:
   labels:
     app: ptp-chat-backend
 spec:
-  replicas: 1
   selector:
     matchLabels:
       app: ptp-chat-backend

ptp-chat/ptp-chat-frontend.yaml

@@ -6,7 +6,6 @@ metadata:
   labels:
     app: ptp-chat-frontend
 spec:
-  replicas: 1
   selector:
     matchLabels:
       app: ptp-chat-frontend
@@ -19,17 +18,10 @@ spec:
       - name: ptp-chat-frontend
         image: gitea.controller.bittehackmichnicht.de/apps/ptpchat-frontend/ptp-chat-frontend:latest
         imagePullPolicy: Always
-        env:
-        - name: URL_KEYCLOAK
-          value: "https://keycloak.controller.bittehackmichnicht.de"
-        - name: KEYCLOAK_REALM
-          value: "PraxistransferKeycloak"
-        - name: KEYCLOAK_CLIENT_ID
-          value: "praxistransfer"
-        - name: URL_FRONTEND
-          value: "https://ptp-chat.k8s.bittehackmichnicht.de"
-        - name: URL_BACKEND
-          value: "https://ptp-chat.k8s.bittehackmichnicht.de/api"
+        volumeMounts:
+          - name: env-volume
+            mountPath: /usr/share/nginx/html/env-config.js
+            subPath: env-config.js
         ports:
         - name: http
           containerPort: 80
@@ -45,3 +37,7 @@ spec:
             port: 80
       imagePullSecrets:
       - name: pull-secret
+      volumes:
+        - name: env-volume
+          configMap:
+            name: ptp-chat-frontend-env