test on docker image

docker-compose.dev.yaml

@@ -0,0 +1,18 @@
+# DEV Compose file.
+# For a production file see: README.md
+
+version: '3.8'
+
+services:
+  redis:
+    image: redis:7-alpine
+    ports:
+      - 6379:6379
+
+  app:
+    build: .
+    env_file: .env
+    depends_on:
+      - redis
+    ports:
+      - 1234:5000