Remove push of PR images

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

.github/workflows/build.yaml

@@ -41,22 +41,6 @@ jobs:
           tags: |
             ${{ env.IMAGE_PREFIX }}:${{ github.sha }}
 
-      - name: Login to Docker Registry
-        uses: docker/login-action@v1
-        if: ${{ github.event_name == 'pull_request' }}
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Publish Pull Request test image
-        uses: contiamo/retag-push@v1.0.0
-        if: ${{ github.event_name == 'pull_request' }}
-        with:
-          source: ${{ env.IMAGE_PREFIX }}:${{ github.sha }}
-          target: |
-            ${{ env.IMAGE_PREFIX }}:pr-${{github.event.number}}
-
   build-multi-arch:
     # run in parallel to build because multi-arch is slow
     runs-on: ubuntu-latest

.github/workflows/publish.yaml

@@ -19,14 +19,13 @@ jobs:
         run: echo ::set-output name=TAG::${GITHUB_REF#refs/tags/}
       - name: Set Username/Repo and ImagePrefix as ENV vars
         run: |
-          echo "USER_REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV} && \
           echo "IMAGE_PREFIX=ghcr.io/${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
 
       - name: Login to Docker Registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
-          username: ${{ env.USER_REPO }}
+          username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Push containers
         uses: docker/build-push-action@v2