Use docker compose up instead to read env file

Author: dantheli

.github/workflows/deploy.yml

@@ -45,7 +45,6 @@ jobs:
           script: |
             export IMAGE_TAG=${{ steps.vars.outputs.sha_short }}
             cd docker-compose
-            docker stack rm thestack
-            sleep 20s
-            docker stack deploy -c docker-compose.yml thestack
-            yes | docker system prune -a
+            docker compose pull
+            docker compose up -d --remove-orphans
+            docker system prune -f

docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   app:
     image: cornellappdev/alumni-website:${IMAGE_TAG}