[Ejabberd] Add new Dockerfile

data/Dockerfiles/ejabberd/Dockerfile

@@ -0,0 +1,33 @@
+FROM ejabberd/ecs:21.01
+
+LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
+
+ENV GOSU_VERSION 1.11
+
+# We need to copy cert files, dropping rights at a later point
+USER root
+
+RUN apk add --update --no-cache su-exec \
+  bash \
+  tini \
+  jq \
+  mariadb-client \
+  redis \
+  tzdata \
+  curl \
+  openssl \
+  bind-tools \
+  composer \
+  php7-pdo \
+  php7-pdo_mysql \
+  php7-ctype
+
+RUN mkdir -p /var/www/authentication && \
+  cd /var/www/authentication && \
+  composer require leesherwood/ejabberd-php-auth monolog/monolog
+
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+COPY authenticator /var/www/authentication/authenticator
+COPY mailcowCommandExecutor.php /var/www/authentication/vendor/leesherwood/ejabberd-php-auth/src/CommandExecutors/mailcowCommandExecutor.php
+
+ENTRYPOINT ["/docker-entrypoint.sh"]