build another test frontend container #4

this facebook worker thing is useless:

facebook/create-react-app#936

docker-compose.yml

@@ -2,19 +2,23 @@ version: '3'
 services:
   web:
     environment:
-      BACKEND_LOGIN_URL: "http://svm-61.cs.helsinki.fi/labtool-backend/"
-    image: labtool/labtool:dev
+      - BACKEND_LOGIN_URL=https://svm-61.cs.helsinki.fi/labtool-backend/
+      - PUBLIC_HOST=svm-61.cs.helsinki.fi
+      - PUBLIC_PATH=/labtool
+      - PUBLIC_URL=https://svm-61.cs.helsinki.fi/labtool/...
+    image: labtool/labtool:test
     ports:
-     - "3000:3000"
+     - "6000:3000"
     depends_on:
      - backend
+     - db
   backend:
     environment:
-      TOKEN: "changeme"
-      NODE_ENV: "test"
-    image: labtool/labtool-backend:dev
+      - TOKEN=changeme
+      - NODE_ENV=test
+    image: labtool/labtool-backend:test
     ports:
-      - "3001:3001"
+      - "6001:3001"
     depends_on:
       - db
   db:

labtool2.0/src/registerServiceWorker.js

@@ -8,21 +8,20 @@
 // To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
 // This link also includes instructions on opting out of this behavior.
 
+/* TURHAA PASKAA
 const isLocalhost = Boolean(
-if (!process.env.PUBLIC_URL && process.env.NODE_ENV !== 'development' && 'serviceWorker' in navigator) {
   window.location.hostname === 'localhost' ||
-
-// [::1] is the IPv6 localhost address.
-  window.location.hostname === '[::1]'
-// 127.0.0.1/8 is considered localhost for IPv4.
-} else {
+  // [::1] is the IPv6 localhost address.
+  window.location.hostname === '[::1]' ||
+  // 127.0.0.1/8 is considered localhost for IPv4.
   window.location.hostname.match(
     /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
-  })
+  )
 )
-
+*/
 export default function register() {
-  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+  if ((process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator)
+    || (process.env.NODE_ENV === 'test' && 'serviceWorker' in navigator)) {
     // The URL constructor is available in all browsers that support SW.
     const publicUrl = new URL(process.env.PUBLIC_URL, window.location)
     if (publicUrl.origin !== window.location.origin) {
@@ -35,7 +34,8 @@ export default function register() {
     window.addEventListener('load', () => {
       const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`
 
-      if (isLocalhost) {
+    //  if (isLocalhost) {  // KURA FACEBOOK COM
+      if (process.env.NODE_ENV === 'development') {
         // This is running on localhost. Lets check if a service worker still exists or not.
         checkValidServiceWorker(swUrl)