Enable the "sudo no password"

Author: chusiang

alpine-3.6/Dockerfile

@@ -27,7 +27,7 @@ RUN adduser -s /bin/bash -D docker && \
       echo 'docker:docker' | chpasswd
 
 # Add sudo permission.
-RUN echo 'docker ALL=(ALL)   ALL' >> /etc/sudoers
+RUN echo 'docker ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
 
 # Setting ssh public key.
 RUN wget https://raw.githubusercontent.com/chusiang/ansible-jupyter.dockerfile/master/files/ssh/id_rsa.pub \

centos-6/Dockerfile

@@ -16,7 +16,7 @@ RUN echo 'root:root' | chpasswd
 #RUN sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config
 
 # Generate the ssh host keys.
-RUN ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' 
+RUN ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
 
 # SSH login fix. Otherwise user is kicked off after login
 RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd

gentoo/Dockerfile

@@ -22,7 +22,7 @@ RUN mkdir /etc/ansible && \
       /bin/echo -e "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
 
 # install openssh with ansible.
-RUN ansible localhost -m portage -a 'package=openssh state=present' -vvvv 
+RUN ansible localhost -m portage -a 'package=openssh state=present' -vvvv
 
 # Setting the sshd.
 RUN mkdir /var/run/sshd