Create dockerimage.yml

.github/workflows/dockerimage.yml

@@ -0,0 +1,20 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag peerjs/peerjs-server:latest
+    - name: Publish to Registry
+      uses: elgohr/Publish-Docker-Github-Action@master
+      with:
+        name: peerjs/peerjs-server:latest
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}