feat: install sudoers + allow sudo access for created users

Dockerfile

@@ -5,6 +5,7 @@ RUN set -eux && \
     DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         openssh-server \
+        sudo \
         locales \
         curl \
         telnet \

setup.sh

@@ -46,6 +46,7 @@ while [ "$USERADD" != "$i" ] ;do
     USER_SHELL=$j
 
     useradd --home-dir "$BASE_DIR/$USER_NAME" --shell "$USER_SHELL" --uid "$USER_UID" --gid "$USER_GID" "$USER_NAME"
+    echo "$USER_NAME ALL=(ALL) NOPASSWD:ALL" > "/etc/sudoers.d/$USER_NAME"
 done
 
 # HOSTKEYS="/var/lib/jumpbox/ssh_host_ed25519_key;/var/lib/jumpbox/ssh_host_rsa_key"