chore: simplify standalone Compose setup

compose.yaml

@@ -1,34 +1,24 @@
+name: portfolio
 services:
   portfolio-app:
-    image: ${PORTFOLIO_IMAGE:-amiirkhl-portfolio:latest}
-    container_name: portfolio-app
+    image: portfolio:local
+    build:
+      context: .
+      target: runtime
+      args:
+        NPM_REGISTRY: ${NPM_REGISTRY:-https://registry.npmjs.org/}
     restart: unless-stopped
+    ports:
+      - "${BIND_ADDRESS:-127.0.0.1}:${PORT:-3000}:3000"
     environment:
-      SITE_URL: ${SITE_URL:-https://portfolio.example.com}
+      SITE_URL: ${SITE_URL:-http://localhost:3000}
       DATA_DIR: /data
-    healthcheck:
-      test:
-        [
-          "CMD",
-          "node",
-          "-e",
-          "fetch('http://127.0.0.1:3000/api/health').then(r=>{if(!r.ok)process.exit(1)}).catch(()=>process.exit(1))",
-        ]
-      interval: 2s
-      timeout: 2s
-      start_period: 3s
-      retries: 30
+      BETTER_AUTH_SECRET: ${BETTER_AUTH_SECRET:-}
     volumes:
-      - next-image-cache:/app/.next/cache
       - portfolio-data:/data
-    networks:
-      - caddy_proxy
-
-networks:
-  caddy_proxy:
-    external: true
-    name: caddy_proxy
-
+      - next-image-cache:/app/.next/cache
 volumes:
-  next-image-cache:
   portfolio-data:
+    name: ${PORTFOLIO_DATA_VOLUME:-portfolio_portfolio-data}
+  next-image-cache:
+    name: ${PORTFOLIO_CACHE_VOLUME:-portfolio_next-image-cache}