dev, prod, local environment fixes

docker/nginx/nginx.conf

@@ -0,0 +1,15 @@
+server {
+    listen 80;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri /index.html;
+    }
+
+    location /protected/ {
+        proxy_pass http://${BACKEND_HOST}:${BACKEND_PORT};
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+}