Update MineGeo domain and harden process supervision

Dockerfile

@@ -15,10 +15,12 @@ ENV NODE_ENV=production \
     NODE_OPTIONS=--max-old-space-size=640 \
     NEXT_PUBLIC_SUPABASE_URL=${NEXT_PUBLIC_SUPABASE_URL} \
     NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY=${NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY}
+# The Webpack compiler cache is build-only and can be hundreds of megabytes.
 RUN if [ -z "$NEXT_PUBLIC_SUPABASE_URL" ] || [ -z "$NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY" ]; then \
       echo "In Dokploy, set NEXT_PUBLIC_SUPABASE_URL and NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY under Application > Environment > Build Time Arguments." >&2; \
       exit 1; \
-    fi && npm run build:docker
+    fi && npm run build:docker \
+    && rm -rf /app/.next/cache/webpack
 
 # Reuse the installation, and prune only after the build has completed.
 # A second independent npm ci stage could overlap with compilation in BuildKit.