Automatically build and push docker image on every commit to main (#2)

Author: Ben Du

.github/workflows/build.yml

@@ -1,8 +1,6 @@
 name: build
 
 on:
-  push:
-    branches: [ main ]
   pull_request:
     branches: [ main ]
 

.github/workflows/deploy.yml

@@ -0,0 +1,44 @@
+name: deploy
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+
+  deploy:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_REPOSITORY: ghcr.io/${{ github.repository }}
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+
+    - name: Build image
+      run: make docker-build
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Tag image for github container repository with commit SHA
+      run: 'docker tag controller:latest $GITHUB_REPOSITORY:${{env.GITHUB_SHA}}'
+
+    - name: Push image for github container repository with commit SHA
+      run: 'docker push controller:latest $GITHUB_REPOSITORY:${{env.GITHUB_SHA}}'
+
+    - name: Tag image for github container repository with latest
+      run: 'docker tag controller:latest $GITHUB_REPOSITORY:latest'
+
+    - name: Push image for github container repository with latest
+      run: 'docker push controller:latest $GITHUB_REPOSITORY:latest'