Use bind mount for prod database storage instead of named volume

Store PostgreSQL data at ./data/postgres relative to the compose file
so persistent data lives on the Unraid disk at
/mnt/user/appdata/nuzlocke-tracker/data/postgres.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.beans/nuzlocke-tracker-ahza--deployment-strategy.md

@@ -5,7 +5,7 @@ status: in-progress
 type: epic
 priority: normal
 created_at: 2026-02-09T14:03:53Z
-updated_at: 2026-02-09T16:53:58Z
+updated_at: 2026-02-10T08:16:36Z
 ---
 
 Define and implement a deployment strategy for running the nuzlocke-tracker in production on a local Unraid server while keeping laptop/PC as the development environment.
@@ -28,7 +28,7 @@ Define and implement a deployment strategy for running the nuzlocke-tracker in p
 4. **Portainer** is installed on Unraid to manage stacks, provide a web UI, and enable webhook-triggered redeployments.
 5. **A deploy script** on the dev machine automates the full flow: build images → push to Gitea registry → trigger Portainer webhook to redeploy.
 6. **Nginx Proxy Manager** handles routing on the LAN (e.g., `nuzlocke.nerdboden.de` → frontend container, `gitea.nerdboden.de` → Gitea).
-7. **Database** uses a named Docker volume for persistence; migrations run automatically on API container startup.
+7. **Database** uses a bind mount (`./data/postgres`) for persistence on the Unraid disk; migrations run automatically on API container startup. The compose file lives at `/mnt/user/appdata/nuzlocke-tracker/`, so all persistent data is stored in subfolders there.
 
 ## Branching Strategy
 

.beans/nuzlocke-tracker-jzw4--switch-prod-compose-to-bind-mounts-for-persistent.md

@@ -0,0 +1,12 @@
+---
+# nuzlocke-tracker-jzw4
+title: Switch prod compose to bind mounts for persistent data
+status: completed
+type: task
+priority: normal
+created_at: 2026-02-10T08:15:41Z
+updated_at: 2026-02-10T08:16:44Z
+parent: nuzlocke-tracker-ahza
+---
+
+Replace named Docker volume with bind mount to ./data/postgres subfolder. The docker-compose.prod.yml will live at /mnt/user/appdata/nuzlocke-tracker/ on Unraid, so relative paths resolve to subfolders there.

docker-compose.prod.yml

@@ -26,7 +26,7 @@ services:
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
       - POSTGRES_DB=nuzlocke
     volumes:
-      - prod_postgres_data:/var/lib/postgresql/data
+      - ./data/postgres:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 5s
@@ -34,5 +34,3 @@ services:
       retries: 5
     restart: unless-stopped
 
-volumes:
-  prod_postgres_data: