updated dockerfile

Dockerfile

@@ -2,8 +2,17 @@
 FROM ubuntu
 
 
-RUN apt-get update # Fri Oct 24 13:09:23 EDT 2014
-RUN apt-get -y upgrade
+RUN apt-get update && \
+    apt-get -y upgrade && \
+    apt-get install -y \
+    sudo
+
+# Create ubuntu user with sudo privileges
+RUN useradd -ms /bin/bash ubuntu && \
+    usermod -aG sudo ubuntu
+# New added for disable sudo password
+RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+RUN su
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get -y install mysql-client mysql-server python3 pip mysql-server vim mc wget curl