add docker compose

docker-compose.yml

@@ -0,0 +1,19 @@
+name: catask
+
+services:
+    mariadb:
+        image: mariadb
+        restart: always
+        environment:
+            MYSQL_DATABASE: catask
+            MYSQL_USER: catask
+            MYSQL_PASSWORD: catask
+
+    catask:
+        entrypoint: |
+            flask init-db
+            gunicorn -w 4 app:app
+        build:
+            dockerfile: Dockerfile
+        depends_on:
+            - mariadb