feat: add simple docker compose file, change pipline, add docker build command to makefile, update db path logic in storage packages, minor fixes in handlers

backend/docker-compose.yml

@@ -0,0 +1,12 @@
+services:
+  backend:
+    image: backend:latest
+    env_file:
+      - .env
+    ports:
+      - 8080:8080
+    volumes:
+      - db-data:/var/lib/backend/data
+
+volumes:
+  db-data: