inital version

Dockerfile

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+FROM debian:bookworm-slim
+LABEL maintainer="docker@ao-it.net"
+
+## prepare requirements
+RUN ["bash", "-exo", "pipefail", "-c", "\
+    export DEBIAN_FRONTEND=noninteractive ; \
+    apt update ; \
+    apt install -y wget gnupg python3 python3-mysqldb; \
+    wget -O - https://packages.icinga.com/icinga.key | \
+    gpg --dearmor -o /usr/share/keyrings/icinga-archive-keyring.gpg ; \
+    source /etc/os-release ; \
+    echo \"deb [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/debian icinga-${VERSION_CODENAME} main\" > /etc/apt/sources.list.d/${VERSION_CODENAME}-icinga.list ; \
+    echo \"deb-src [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/debian icinga-${VERSION_CODENAME} main\" >> /etc/apt/sources.list.d/${VERSION_CODENAME}-icinga.list ; \
+    apt clean all ; \
+    rm -vrf /var/lib/apt/lists/* "]
+
+## install webserver
+RUN ["bash", "-exo", "pipefail", "-c", "\
+    export DEBIAN_FRONTEND=noninteractive ; \
+    apt update ; \
+    apt install -y  --no-install-{recommends,suggests} apache2 ca-certificates libapache2-mod-php8.2 libldap-common locales-all php-{imagick,redis} php8.2-{bcmath,bz2,common,curl,dba,enchant,gd,gmp,imap,interbase,intl,ldap,mbstring,mysql,odbc,opcache,pgsql,pspell,readline,snmp,soap,sqlite3,sybase,tidy,xml,xmlrpc,xsl,zip} ; \
+    apt clean all ; \
+    rm -vrf /var/lib/apt/lists/* "]
+
+
+## install icingaweb2 
+RUN ["bash", "-exo", "pipefail", "-c", "\
+    export DEBIAN_FRONTEND=noninteractive ; \
+    apt update ; \
+    apt install -y icingaweb2 icingadb-web icingacli ; \
+    ln -vs /usr/share/icingaweb2/bin/icingacli /usr/local/bin/ ; \
+    rm -f /etc/apache2/conf-enabled/icingaweb2.conf ; \
+    icingacli setup config webserver apache --path=/ --file=/etc/apache2/conf-enabled/icingaweb2.conf ; \
+    echo 'SetEnvIf X-REMOTE-USER \"(.*)\" REMOTE_USER=$0' > /etc/apache2/conf-enabled/allow-remote-user.conf ; \
+    apt clean all ; \
+    rm -vrf /var/lib/apt/lists/* "]
+
+## create persistend data store
+RUN ["bash", "-exo", "pipefail", "-c", "\
+    mkdir -p /data ; \
+    mkdir -p /data-init/etc/ ; \
+    mkdir -p /data-init/usr/ ; \
+    mv /etc/icingaweb2 /data-init/etc/ ; \
+    mv /usr/share/icingaweb2 /data-init/usr/ ; \
+    ln -vs /data/etc/icingaweb2 /etc/icingaweb2 ; \
+    ln -vs /data/usr/icingaweb2 /usr/share/icingaweb2 ; \
+"]
+
+## redirect log
+RUN ["bash", "-exo", "pipefail", "-c", "\
+    ln -vsf /dev/stdout /var/log/apache2/access.log ; \
+    ln -vsf /dev/stderr /var/log/apache2/error.log ; \
+    ln -vsf /dev/stdout /var/log/apache2/other_vhosts_access.log "]
+
+EXPOSE 8080
+
+COPY init.sh /root/init.sh
+COPY conf_icingaweb2.py /root/conf_icingaweb2.py
+
+VOLUME ["/data"]
+WORKDIR /data
+USER root
+ENTRYPOINT ["/bin/bash", "/root/init.sh"]
+CMD ["/usr/sbin/apache2", "-DFOREGROUND"]