feat: init github actions

Signed-off-by: Stéphane Robino <[email protected]>

.github/workflows/tests.yml

@@ -0,0 +1,34 @@
+name: tests
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    container:
+      image: elixir:1.9.1-slim
+
+    services:
+      postgres:
+        image: postgres:11.5-alpine
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_USER: ancestry
+          POSTGRES_DB: ancestry_test
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install Dependencies
+        run: |
+          mix local.rebar --force
+          mix local.hex --force
+          mix deps.get
+      - name: Run Tests
+        run: mix coveralls
+        env:
+          DB_USERNAME: ancestry
+          POSTGRES_HOST: postgres
+          POSTGRES_PORT: ${{ job.services.postgres.ports[5432] }}

README.md

@@ -1,5 +1,7 @@
 # Ancestry
 
+![](https://github.com/StephaneRob/ancestry-ecto/workflows/tests/badge.svg)
+
 _WIP_
 
 ## Installation
@@ -107,7 +109,6 @@ MyModel.descendants(model)
   - [ ] adopt
   - [ ] restrict
 
-
 ## License
 
 This package is available as open source under the terms of the [MIT License](LICENSE.md).