fix: Correct environment variable syntax for Komodo Secrets

- Replace ${SECRET:name} with ${NAME} format
- Replace hyphens with underscores in variable names
- Affected: gotify, grafana, vaultwarden, obsidian-livesync

stacks/obsidian-livesync/compose.yaml

@@ -8,8 +8,8 @@ services:
     volumes:
       - obsidian_data:/opt/couchdb/data
     environment:
-      - COUCHDB_USER=${OBSIDIAN_USER:-obsidian}
-      - COUCHDB_PASSWORD=${SECRET:obsidian-password}
+      - COUCHDB_USER=${OBSIDIAN_USER:_obsidian}
+      - COUCHDB_PASSWORD=${OBSIDIAN_PASSWORD}
     networks:
       - obsidian-network
     healthcheck: