Add environment config production setup with docker.

Makefile

@@ -20,5 +20,8 @@ test-unit:
 # test-e2e:
 # 	docker-compose -f docker/docker-compose.yml exec testcenter-frontend-dev ng e2e --webdriver-update=false --port 4202
 
-init-config:
+init-dev-config:
 	cp src/environments/environment.dev.ts src/environments/environment.ts
+
+init-prod-docker-config:
+	cp src/environments/environment.prod.docker.ts src/environments/environment.ts

src/environments/environment.prod.docker.ts

+// ng build --prod
+
+export const environment = {
+  production: true,
+  testcenterUrl: 'http://localhost:9092/,
+  appPublisher: 'IQB - Institut zur Qualitätsentwicklung im Bildungswesen',
+  apiVersionExpected: '5.0.1'
+};