Merge pull request #6 from umarcor/ghcr

Push container image to GHCR and use it in the Action

.github/workflows/Container.yml

@@ -0,0 +1,33 @@
+name: Container
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * 3'
+
+jobs:
+
+  container:
+    runs-on: ubuntu-latest
+    env:
+      IMAGE: ghcr.io/chipsalliance/verible-linter-action
+    steps:
+
+    - uses: actions/checkout@v2
+
+    - name: Build container image
+      run: docker build -t $IMAGE .
+
+    - name: Login to GitHub Container Registry (GHCR)
+      if: github.event_name != 'pull_request' && github.repository == 'chipsalliance/verible-linter-action'
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: gha
+        password: ${{ github.token }}
+
+    - name: Push container image to GitHub Container Registry (GHCR)
+      if: github.event_name != 'pull_request' && github.repository == 'chipsalliance/verible-linter-action'
+      run: docker push $IMAGE

action.yml

@@ -33,4 +33,4 @@ inputs:
 
 runs:
   using: 'docker'
-  image: 'Dockerfile'
+  image: 'docker://ghcr.io/chipsalliance/verible-linter-action'