chore(frontend): migrate toolchain from pnpm to bun

docker-compose.dev.yml

@@ -1,6 +1,8 @@
 services:
   web:
-    build: ./frontend/
+    build:
+      context: ./frontend/
+      target: builder
     # image: ghcr.io/alex-wiesner/voyage-frontend:latest
     container_name: voyage-frontend
     restart: unless-stopped
@@ -15,8 +17,8 @@ services:
       - server
     volumes:
       - ./frontend:/app
-      - pnpm_store:/pnpm-store
-    command: sh -c "mkdir -p /pnpm-store && chown -R node:node /pnpm-store && su node -c 'pnpm config set store-dir /pnpm-store && pnpm install --frozen-lockfile && pnpm exec vite dev --host 0.0.0.0 --port 3000 --strictPort'"
+      - bun_cache:/bun-cache
+    command: sh -c "mkdir -p /bun-cache && chown -R node:node /bun-cache && su node -c 'BUN_INSTALL_CACHE_DIR=/bun-cache bun install --frozen-lockfile && bun run vite dev --host 0.0.0.0 --port 3000 --strictPort'"
 
   db:
     image: postgis/postgis:16-3.5
@@ -57,4 +59,4 @@ services:
 volumes:
   postgres_data:
   voyage_media:
-  pnpm_store:
+  bun_cache: