Create tests.yml

Run docker-compose and tests in training_api container.

.github/workflows/tests.yml

@@ -0,0 +1,21 @@
+name: Docker compose tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: adambirds/[email protected]
+      with:
+        compose-file: "./docker-compose.yml"
+        test-container: "training_api"
+        test-command: "python3 -m pytest"