chore(docker): mount local time and timezone to container

Added volume mappings for /etc/localtime and /etc/timezone to ensure
the container uses the host's time and timezone settings.

This prevents time discrepancies in logs and scheduled tasks without
requiring manual timezone configuration inside the image.

docker-compose.yml

@@ -3,6 +3,9 @@ services:
     build: .
     # set up retry times
     restart: on-failure:5
+    volumes:
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
     env_file:
       - .env
     ports: