Adding multiple OS dockers for tests

Author: Heshdude

.github/workflows/dockerimage.yml

@@ -8,11 +8,20 @@ on:
 
 jobs:
 
-  build:
+  test-alpine:
 
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
     - name: Run Tests on Alpine Linux
       run: docker run alpine pwd
+      
+  test-ubuntu:
+    
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run Tests on Ubuntu Linux
+      run: docker run ubuntu pwd