diff --git a/docs/docker/mariadb/docker-compose.yml b/docs/docker/mariadb/docker-compose.yml
index fdba1ec7..3dab105e 100644
--- a/docs/docker/mariadb/docker-compose.yml
+++ b/docs/docker/mariadb/docker-compose.yml
@@ -24,6 +24,7 @@ services:
       - NODE_ENV=production
       - GANCIO_DB_DIALECT=mariadb
       - GANCIO_DB_HOST=db
+      - GANCIO_DB_PORT=3306
       - GANCIO_DB_DATABASE=gancio
       - GANCIO_DB_USERNAME=gancio
       - GANCIO_DB_PASSWORD=gancio
diff --git a/docs/docker/postgres/docker-compose.yml b/docs/docker/postgres/docker-compose.yml
index 9bd06169..ad0a61f7 100644
--- a/docs/docker/postgres/docker-compose.yml
+++ b/docs/docker/postgres/docker-compose.yml
@@ -26,6 +26,7 @@ services:
       - NODE_ENV=production
       - GANCIO_DB_DIALECT=postgres
       - GANCIO_DB_HOST=db
+      - GANCIO_DB_PORT=5432
       - GANCIO_DB_DATABASE=gancio
       - GANCIO_DB_USERNAME=gancio
       - GANCIO_DB_PASSWORD=gancio      
diff --git a/server/initialize.server.js b/server/initialize.server.js
index bfc35b4e..b542e430 100644
--- a/server/initialize.server.js
+++ b/server/initialize.server.js
@@ -20,6 +20,7 @@ module.exports = function () {
           dialect: process.env.GANCIO_DB_DIALECT,
           storage: process.env.GANCIO_DB_STORAGE,
           host: process.env.GANCIO_DB_HOST,
+          port: process.env.GANCIO_DB_PORT,
           database: process.env.GANCIO_DB_DATABASE,
           username: process.env.GANCIO_DB_USERNAME,
           password: process.env.GANCIO_DB_PASSWORD,