fix(backend): fixed cors error on build dev environment

Dockerfile

@@ -20,7 +20,7 @@ COPY eeg_frontend/openapi.yaml ./
 RUN npx openapi-generator-cli generate -i ./openapi.yaml -g typescript-angular -o ./src/app/api
 
 COPY eeg_frontend/ ./
-RUN npm run build -- --configuration production
+RUN npm run build -- --configuration staging
 
 # ---- Stage 2: Build Spring Boot Backend ----
 FROM maven:3.9-eclipse-temurin-21 AS backend-build

eeg_frontend/angular.json

@@ -48,6 +48,21 @@
               ],
               "outputHashing": "all"
             },
+            "staging": {
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "500kB",
+                  "maximumError": "1MB"
+                },
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "4kB",
+                  "maximumError": "8kB"
+                }
+              ],
+              "outputHashing": "all"
+            },
             "development": {
               "optimization": false,
               "extractLicenses": false,
@@ -62,6 +77,9 @@
             "production": {
               "buildTarget": "eeg_frontend:build:production"
             },
+            "staging": {
+              "buildTarget": "eeg_frontend:build:production"
+            },
             "development": {
               "buildTarget": "eeg_frontend:build:development"
             }

eeg_frontend/src/environments/environment.staging.ts

@@ -0,0 +1,4 @@
+export const environment = {
+  production: false,
+  apiUrl: 'https://preview.coolify.mueller-dev.com'
+};