optimized Dockerfile

Dockerfile

@@ -1,38 +1,65 @@
 FROM debian:11-slim
 
+# Zabbix Repo packge URL
+# obtain it from: https://www.zabbix.com/download?zabbix=6.2&os_distribution=debian&os_version=11&components=server_frontend_agent&db=mysql&ws=nginx
 ARG ZABBIX_URL=https://repo.zabbix.com/zabbix/6.0/debian/pool/main/z/zabbix-release/zabbix-release_6.0-3%2Bdebian11_all.deb
 
-
 WORKDIR /app
 RUN chmod 777 /app
 
-RUN apt update -y
+# Initial update repo and upgrade packges
-RUN apt upgrade -y
+RUN apt update -y \
-RUN apt install locales -y
+ && apt upgrade -y \
-RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
+ && apt auto-remove -y \
+ && apt clean -y
+
+# Language setup
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
-RUN apt install ca-certificates wget curl neofetch nano vim -y --no-install-recommends
+RUN apt install locales -y \
+ && apt auto-remove -y \
+ && apt clean -y
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen \
+ && locale-gen
 
-RUN wget $ZABBIX_URL
+# Installing basic tools
-RUN dpkg -i zabbix-release*.deb
+RUN apt install ca-certificates wget curl nano vim -y --no-install-recommends \
-RUN rm zabbix-release*.deb
+ && apt auto-remove -y \
-RUN apt update -y
+ && apt clean -y
-RUN apt install php php-fpm -y --no-install-recommends
+
-RUN apt install zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts -y --no-install-recommends
+# Installing Zabbix repo for zabbix tools
-#RUN apt purge mysql* mariadb* -y
+RUN wget $ZABBIX_URL \
-RUN apt auto-remove -y
+ && dpkg -i zabbix-release*.deb \
-RUN apt update -y
+ && rm -v zabbix-release*.deb
-RUN apt upgrade -y
+
+# Installing php, nginx and zabbix ## DO NOT CHANGE INSTALL ODER OF THIS, IT WILL INSTALL APACHE2 AND NIGNX IF YOU DO SO!!!
+RUN apt update -y \
+ && apt install php php-fpm -y --no-install-recommends \
+ && apt install zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts -y --no-install-recommends \
+ && apt auto-remove -y \
+ && apt clean -y
+
+# Final clean up
+RUN apt update -y \
+ && apt upgrade -y \
+ && apt auto-remove -y \
+ && apt clean -y
 
 COPY startservices.sh .
 RUN chmod +x startservices.sh
+
+# Delete default config files, these will be mounted when running container
 RUN rm -v /etc/nginx/sites-enabled/default
 RUN rm -v /usr/share/zabbix/conf/zabbix.conf.php
+
+# symlink frontend configs to /etc/zabbix
 RUN ln -sv /etc/zabbix/web/zabbix.conf.php /usr/share/zabbix/conf/zabbix.conf.php
+
+#Create dirs and give permission for php and zabbix pid
 RUN mkdir /run/php/
 RUN mkdir /run/zabbix/
 RUN chmod 777 /run/zabbix/
+
 #Start Services
 CMD ["./startservices.sh"]

docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.5'
 services:
 #########################
    zabbix:
-#      build: .
+      build: .
       image: zabbix
       volumes:
          - $PWD/configdir/etc/zabbix/zabbix_server.conf:/etc/zabbix/zabbix_server.conf