fix: add environment variables and env_file for reactive-resume service

Co-authored-by: Copilot <copilot@github.com>

nodes/heimdall/reactive-resume/compose.yaml

@@ -44,6 +44,10 @@ services:
     networks:
       - proxy-net
       - internal-resume-net
+    environment:
+      DATABASE_URL: ${DATABASE_URL}
+    env_file:
+      - .env
     volumes:
       # Used when S3 is not configured; keeps uploads persistent
       - /mnt/appdata/reactive-resume/data:/app/data