diff --git a/Dockerfile b/Dockerfile
index c683854..658cc54 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -58,6 +58,9 @@ COPY nginx.conf /etc/nginx/conf.d/default.conf
 RUN mkdir -p /data/db /var/log/mongodb /var/run/mongodb && \
     chown -R mongodb:mongodb /data/db /var/log/mongodb /var/run/mongodb
 
+# Expose volume for persistent database storage
+VOLUME ["/data/db"]
+
 # Copy entrypoint
 COPY docker-entrypoint.sh /docker-entrypoint.sh
 RUN chmod +x /docker-entrypoint.sh
diff --git a/docker-compose.yml b/docker-compose.yml
index 629d0d0..43b474a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,8 +6,16 @@ services:
         - VITE_API_URL=/api
     ports:
       - "8084:80"
+    volumes:
+      - mongodb_data:/data/db
     environment:
       DB_NAME: hospital
       ADMIN_DNI: "35242633"
       ADMIN_PASSWORD: admin123
+      ADMIN_NOMBRE: "Sistema"
+      ADMIN_APELLIDO: "Administrador"
+      ADMIN_EMAIL: "admin@hospital.local"
     restart: unless-stopped
+
+volumes:
+  mongodb_data:
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index d5c565b..5335d80 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 set -e
 
+# Ensure permissions on volume and logs directory
+mkdir -p /data/db /var/log/mongodb /var/run/mongodb
+chown -R mongodb:mongodb /data/db /var/log/mongodb /var/run/mongodb
+
 echo "Starting local MongoDB server (only accessible from inside container)..."
 # Start mongod as the default mongodb user, bound to localhost (127.0.0.1) for internal access only
 su -s /bin/bash -c "mongod --dbpath /data/db --bind_ip 127.0.0.1 --fork --logpath /var/log/mongodb/mongod.log" mongodb