ci: build and push docker image to github container repo

.github/workflows/ci.yml

@@ -8,21 +8,45 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
-      - name: Build Docker image
-        run: docker build -t retropilot-server:latest .
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/RetroPilot/retropilot-server
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
 
-  lint:
-    name: Run linter
-    runs-on: ubuntu-20.04
-    needs: docker
-    steps:
-      - name: Run linter
-        run: docker run --rm retropilot-server:latest npm run lint
+#  lint:
+#    name: Run linter
+#    runs-on: ubuntu-20.04
+#    needs: docker
+#    steps:
+#      - name: Run linter
+#        run: docker run --rm retropilot-server:latest npm run lint
 
-  test:
-    name: Run tests
-    runs-on: ubuntu-20.04
-    needs: docker
-    steps:
-      - name: Run tests
-        run: docker run --rm --env-file .env.sample -v /tmp/realdata:/app/realdata retropilot-server:latest npm test
+#  test:
+#    name: Run tests
+#    runs-on: ubuntu-20.04
+#    needs: docker
+#    steps:
+#      - name: Run tests
+#        run: docker run --rm --env-file .env.sample -v /tmp/realdata:/app/realdata retropilot-server:latest npm test