Add .github/workflows/main.yml

Author: simonewebdesign

.github/workflows/main.yml

@@ -0,0 +1,48 @@
+# CI workflow to run mix test
+#
+# Originally copied from https://github.com/actions/starter-workflows/blob/main/ci/elixir.yml commit cd4b67d
+
+name: PubSub test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request: {}
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test on OTP ${{matrix.otp}} + Elixir ${{matrix.elixir}}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        otp: ['27']
+        elixir: ['1.18']
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Elixir
+      uses: erlef/setup-beam@v1.18.2
+      with:
+        otp-version: ${{matrix.otp}}
+        elixir-version: ${{matrix.elixir}}
+
+    - name: Restore dependencies cache
+      uses: actions/cache@v4
+      with:
+        path: deps
+        key: ${{ runner.os }}-mix-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-mix-${{ matrix.otp }}-${{ matrix.elixir }}-
+
+    - name: Install dependencies
+      run: mix deps.get
+
+    - name: Compile strict
+      run: mix compile --warnings-as-errors
+
+    - name: Run tests
+      run: mix test