autodetect docker-compose file

Author: Daniel Mellum

.github/workflows/docker.yml

@@ -18,8 +18,8 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Start containers and Run tests
-        run: docker-compose -f "docker-compose.yml" up -d --build
+        run: docker-compose up -d --build
 
       - name: Stop containers
         if: always()
-        run: docker-compose -f "docker-compose.yml" down
+        run: docker-compose down