Create build.yml

build container image

Author: chrira

.github/workflows/build.yml

@@ -0,0 +1,15 @@
+name: Build and test
+
+on:
+  push:
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag appuio/example-php-docker-helloworld:latest