diff --git a/Dockerfile b/Dockerfile
index 4000734..d5f8012 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,13 +2,12 @@ FROM ubuntu:22.04
 
 # Update the system, install OpenSSH Server, and set up users
 RUN apt-get update && apt-get upgrade -y && \
-    apt-get install -y openssh-server git
+    apt-get install -y openssh-server git sudo
 
 # Create user and set password for user and root user
 ARG CODE_PASSWORD
-ENV CODE_PASSWORD=$CODE_PASSWORD
 RUN  useradd -rm -d /home/code -s /bin/bash -g root -G sudo -u 1000 code && \
-    echo 'code:$CODE_PASSWORD' | chpasswd 
+    echo 'code:'$CODE_PASSWORD | chpasswd 
 
 # Set up configuration for SSH
 RUN mkdir /var/run/sshd && \