Update Dockerfile

zabbix/java-gateway/Dockerfile

@@ -8,4 +8,29 @@ COPY sources.list /etc/apt/sources.list
 COPY locale.gen /etc/locale.gen
 
 # installing additional apps
-RUN apt update -y &&  apt install -y --allow-unauthenticated ca-certificates gnupg sudo apt-transport-https lsb-release apt-utils locales console-cyrillic wget curl htop mc tmux iftop  iputils-ping lsof lynx fontconfig smbclient nano php-cli php-curl
+RUN apt update -y && \
+     apt install -y --allow-unauthenticated \
+     ca-certificates \
+     gnupg \
+     sudo \
+     apt-transport-https \
+     lsb-release \
+     apt-utils \
+     locales \
+     console-cyrillic \
+     wget \
+     curl \
+     htop \
+     mc \
+     tmux \
+     iftop \
+     iputils-ping \
+     lsof lynx \
+     fontconfig \
+     smbclient \
+     nano \
+     php-cli \
+     php-curl \
+     telnet \
+     nmap && \
+     echo "zabbix ALL=(ALL) NOPASSWD: /usr/bin/nmap" > /etc/sudoers.d/zabbix