docker/common: fix add-user error.

Steve Jeong · Steve Jeong · commit 2a8069e0bcce · 2023-03-20T12:47:23.000+09:00
Signed-off-by: Steve Jeong &lt;how2soft@gmail.com&gt;
diff --git a/docker/focal/add-user b/docker/focal/add-user
@@ -3,7 +3,7 @@
 # https://github.com/how2flow/docker_ws/example/docker.user
 # written by steve.jeong <how2soft@gmail.com>
 
-id=$1
+id="${1:-user}"
 password="docker"
 
 # set root password
diff --git a/docker/jammy/add-user b/docker/jammy/add-user
@@ -3,7 +3,7 @@
 # https://github.com/how2flow/docker_ws/example/docker.user
 # written by steve.jeong <how2soft@gmail.com>
 
-id=$1
+id="${1:-user}"
 password="docker"
 
 # set root password
diff --git a/docker/jekyll/add-user b/docker/jekyll/add-user
@@ -3,7 +3,7 @@
 # https://github.com/how2flow/docker_ws/example/docker.user
 # written by steve.jeong <how2soft@gmail.com>
 
-id=$1
+id="${1:-user}"
 password="docker"
 
 # set root password
diff --git a/docker/latest/add-user b/docker/latest/add-user
@@ -3,7 +3,7 @@
 # https://github.com/how2flow/docker_ws/example/docker.user
 # written by steve.jeong <how2soft@gmail.com>
 
-id=$1
+id="${1:-user}"
 password="docker"
 
 # set root password
