pipeline multiple updates

• updated workflow rules
• updated job names
• updated container versions
• added a template for gke-initialization

app/Dockerfile

@@ -36,9 +36,8 @@ COPY ./server/package*.json ./
 
 RUN npm ci --no-audit --no-fund
 
-ARG \
-    MONGODB_URL_TEST=mongodb://host.docker.internal:27017/todo-app \
-    JWT_SECRET_TEST=<my-very-secret-jwt>
+ARG MONGODB_URL_TEST
+ARG JWT_SECRET_TEST
 
 # MONGODB_URL and JWT_SECRET are available as env variables
 RUN MONGODB_URL=$MONGODB_URL_TEST JWT_SECRET=$JWT_SECRET_TEST npm run test