Github CI workflow

Author: g105b

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: [ubuntu-latest]
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Cache PHP dependencies
+        uses: actions/cache@v1
+        with:
+          path: vendor
+          key: ${{ runner.OS }}-build-${{ hashFiles('**/composer.lock') }}
+
+      - uses: php-actions/composer@v1
+
+      - name: Upload build for test runner
+        uses: actions/upload-artifact@v1
+        with:
+          name: build-artifact
+          path: ./
+
+  test:
+    runs-on: [ubuntu-latest]
+    needs: [build]
+
+    steps:
+      - uses: actions/download-artifact@v1
+        with:
+          name: build-artifact
+          path: ./
+
+      - uses: php-actions/phpunit@v1