#90 Feature/setup ci cd

Closes #90

Setup runner and GCP

Also did config for #91

if it's sufficient, this MR could also close #89 and #91

docker-compose.yml

 version: '3'
 services:
   backend:
-    build:
-      context: ./backend
-      dockerfile: backend/Dockerfile
+    build: ./backend
     image: __CI_REGISTRY_IMAGE__/backend:latest
     ports:
       - "3080:3080"
@@ -15,9 +13,7 @@ services:
       - back-tier
 
   frontend:
-    build:
-      context: ./frontend
-      dockerfile: frontend/Dockerfile
+    build: ./frontend
     image: __CI_REGISTRY_IMAGE__/frontend:latest
     ports:
       - "8080:8080"