diff --git a/README.md b/README.md
index ed18486..f827a93 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,7 @@ To run a one time backup, bind your local volume to `/backup` in the container a
  docker run --rm --network your_network_name \
  -v $PWD/backup:/backup/ \
  -e "DB_HOST=dbhost" \
+ -e "DB_PORT=3306" \
  -e "DB_USERNAME=username" \
  -e "DB_PASSWORD=password" \
  jkaninda/mysql-bkup backup -d database_name
@@ -87,7 +88,19 @@ Alternatively, pass a `--env-file` in order to use a full config as described be
  -v $PWD/backup:/backup/ \
  jkaninda/mysql-bkup backup -d database_name
 ```
+### Simple restore using Docker CLI
 
+To restore a database, bind your local volume to `/backup` in the container and run the `restore` command:
+
+```shell
+ docker run --rm --network your_network_name \
+ -v $PWD/backup:/backup/ \
+ -e "DB_HOST=dbhost" \
+ -e "DB_PORT=3306" \
+ -e "DB_USERNAME=username" \
+ -e "DB_PASSWORD=password" \
+ jkaninda/mysql-bkup restore -d database_name -f backup_file.sql.gz
+```
 ### Simple backup in docker compose file
 
 ```yaml
diff --git a/docs/quickstart/index.md b/docs/quickstart/index.md
index 92393b8..6437152 100644
--- a/docs/quickstart/index.md
+++ b/docs/quickstart/index.md
@@ -18,6 +18,7 @@ To run a one-time backup, bind your local volume to `/backup` in the container a
 docker run --rm --network your_network_name \
   -v $PWD/backup:/backup/ \
   -e "DB_HOST=dbhost" \
+  -e "DB_PORT=3306" \
   -e "DB_USERNAME=username" \
   -e "DB_PASSWORD=password" \
   jkaninda/mysql-bkup backup -d database_name
@@ -34,6 +35,19 @@ docker run --rm --network your_network_name \
   jkaninda/mysql-bkup backup -d database_name
 ```
 
+### Simple restore using Docker CLI
+
+To restore a database, bind your local volume to `/backup` in the container and run the `restore` command:
+
+```shell
+ docker run --rm --network your_network_name \
+ -v $PWD/backup:/backup/ \
+ -e "DB_HOST=dbhost" \
+ -e "DB_PORT=3306" \
+ -e "DB_USERNAME=username" \
+ -e "DB_PASSWORD=password" \
+ jkaninda/mysql-bkup restore -d database_name -f backup_file.sql.gz
+```
 ---
 
 ## Simple Backup Using Docker Compose
diff --git a/pkg/config.go b/pkg/config.go
index 6026daf..726a9b6 100644
--- a/pkg/config.go
+++ b/pkg/config.go
@@ -114,7 +114,7 @@ func initDbConfig(cmd *cobra.Command) *dbConfig {
 	utils.GetEnv(cmd, "dbname", "DB_NAME")
 	dConf := dbConfig{}
 	dConf.dbHost = os.Getenv("DB_HOST")
-	dConf.dbPort = os.Getenv("DB_PORT")
+	dConf.dbPort = utils.EnvWithDefault("DB_PORT", "3306")
 	dConf.dbName = os.Getenv("DB_NAME")
 	dConf.dbUserName = os.Getenv("DB_USERNAME")
 	dConf.dbPassword = os.Getenv("DB_PASSWORD")