diff --git a/.env.example b/.env.example
index 110ad86..5e39372 100644
--- a/.env.example
+++ b/.env.example
@@ -34,7 +34,7 @@ POSTGRES_USER=seguidor
 POSTGRES_PASSWORD=seguidor_password
 POSTGRES_DB=seguidor_lotes
 POSTGRES_PORT=5432
-NUXT_POSTGRES_URL=postgres://seguidor:seguidor_password@postgres:5432/seguidor_lotes
+NUXT_POSTGRES_URL=postgres://seguidor:seguidor_password@lotes-postgres:5432/seguidor_lotes
 
 # ===========================================
 # REGISTRY AUTHENTICATION (solo para CI/CD)
diff --git a/README.md b/README.md
index 51cc5ff..e58ac8b 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ UVA-001 (2086kg)
    - `APP_NAME` - `lotes`
    - `APP_DOMAIN` - `lotes.nucleoriofrio.com`
    - `NUXT_PUBLIC_APP_URL` - `https://lotes.nucleoriofrio.com`
-   - `NUXT_POSTGRES_URL` - `postgres://seguidor:seguidor_password@postgres:5432/seguidor_lotes`
+   - `NUXT_POSTGRES_URL` - `postgres://seguidor:seguidor_password@lotes-postgres:5432/seguidor_lotes`
    - `POSTGRES_USER` - `seguidor`
    - `POSTGRES_DB` - `seguidor_lotes`
    - `POSTGRES_PORT` - `5432`
diff --git a/docker-compose.yml b/docker-compose.yml
index 658dd16..56abb1b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,7 +39,7 @@ services:
       - POSTGRES_USER=${POSTGRES_USER}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
       - POSTGRES_DB=${POSTGRES_DB}
-      - NUXT_POSTGRES_URL=${NUXT_POSTGRES_URL:-postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:${POSTGRES_PORT:-5432}/${POSTGRES_DB}}
+      - NUXT_POSTGRES_URL=${NUXT_POSTGRES_URL:-postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${APP_NAME}-postgres:${POSTGRES_PORT:-5432}/${POSTGRES_DB}}
     networks:
       - principal
       - traefik-network
diff --git a/nuxt4/server/utils/db.ts b/nuxt4/server/utils/db.ts
index 6e7862e..92db9f3 100644
--- a/nuxt4/server/utils/db.ts
+++ b/nuxt4/server/utils/db.ts
@@ -15,7 +15,9 @@ function buildConnectionString(): string {
   // Fallback para entornos locales si no se pasó NUXT_POSTGRES_URL
   const user = process.env.POSTGRES_USER || 'seguidor'
   const password = process.env.POSTGRES_PASSWORD || 'seguidor_password'
-  const host = process.env.POSTGRES_HOST || 'postgres'
+  const defaultHost =
+    process.env.APP_NAME ? `${process.env.APP_NAME}-postgres` : 'postgres'
+  const host = process.env.POSTGRES_HOST || defaultHost
   const port = process.env.POSTGRES_PORT || '5432'
   const db = process.env.POSTGRES_DB || 'seguidor_lotes'
   return `postgres://${user}:${password}@${host}:${port}/${db}`