add dockerfile for jitsi admin messenger

jitsi_admin_messenger_dockerfile

@@ -0,0 +1,57 @@
+ARG PHP_IMAGE_VERSION=3.20.6
+FROM erseco/alpine-php-webserver:${PHP_IMAGE_VERSION}
+
+ARG VERSION
+
+LABEL version="${VERSION}" \
+    Maintainer="H2 invent GmbH" \
+    Description="Jitsi Admin Messenger Service" \
+    org.opencontainers.version="${VERSION}" \
+    org.opencontainers.image.title="Jitsi Admin" \
+    org.opencontainers.image.license="AGPLv3" \
+    org.opencontainers.image.vendor="H2 invent GmbH" \
+    org.opencontainers.image.authors="Emanuel Holzmann <support@h2-invent.com>" \
+    org.opencontainers.image.source="https://github.com/h2-invent/jitsi-admin" \
+    org.opencontainers.image.documentation="https://meetling.de" \
+    org.opencontainers.image.url="https://jitsi-admin.de"
+
+USER root
+
+RUN apk --no-cache add \
+    unzip \
+    php83-ldap \
+    php83-xmlwriter \
+    php83-xsl \
+    php83-pcntl \
+    php83-posix \
+    php83-sockets \
+    php83-bcmath \
+    && rm -rf /var/cache/apk/*
+
+RUN echo "Europe/Berlin" > /etc/timezone
+
+RUN rm -r /etc/service/nginx \
+    && rm -r /etc/service/php
+
+RUN wget https://github.com/H2-invent/jitsi-admin/releases/download/${VERSION}/application.zip -O artifact.zip \
+    && unzip artifact.zip \
+    && chown -R nobody public \
+    && chown -R nobody theme \
+    && chown -R nobody var \
+    && chmod -R 700 public \
+    && chmod -R 700 theme \
+    && chmod -R 700 var \
+    && rm artifact.zip \
+    && rm -r var/cache
+
+USER nobody
+
+ENV nginx_root_directory=/var/www/html/public \
+    memory_limit=1024M \
+    post_max_size=20M \
+    upload_max_filesize=10M \
+    date_timezone=Europe/Berlin
+
+HEALTHCHECK --interval=60s CMD exit 0
+
+CMD ["php -d memory_limit=-1 /var/www/html/bin/console messenger:consume async --memory-limit=512m --env=prod"]