Add build container step to PRs, fix typos (#226)

.github/workflows/docker-image.yml

@@ -1,26 +1,31 @@
 name: Docker Image CI
 on:
   push:
-    branches: ['master']
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
     - name: Login in quay
+      if: github.ref == 'refs/heads/master' && github.event_name == 'push'
       run: docker login quay.io -u ${QUAY_USER} -p ${QUAY_TOKEN}
       env:
         QUAY_USER: ${{ secrets.QUAY_USER_1 }}
         QUAY_TOKEN: ${{ secrets.QUAY_TOKEN_1 }}
     - name: Check out code
-      uses: actions/checkout@master
+      uses: actions/checkout@v3
     - name: Build the Docker images
       run:  docker build --no-cache -t quay.io/openshift-scale/kraken containers/
     - name: Push the Docker images
+      if: github.ref == 'refs/heads/master' && github.event_name == 'push'
       run: docker push quay.io/openshift-scale/kraken
     - name: Remove Image
       run: docker rmi -f quay.io/openshift-scale/kraken | exit 0
     - name: Build Kraken-hub Image
+      if: github.ref == 'refs/heads/master' && github.event_name == 'push'
       uses: convictional/trigger-workflow-and-wait@v1.5.0
       with:
         owner: cloud-bulldozer