Updates

nextcloud-aio/Containers/domaincheck/Dockerfile

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+# syntax=docker/dockerfile:latest
+FROM alpine:3.22.1
+RUN set -ex; \
+    apk upgrade --no-cache -a; \
+    apk add --no-cache bash lighttpd netcat-openbsd; \
+    adduser -S www-data -G www-data; \
+    rm -rf /etc/lighttpd/lighttpd.conf; \
+    chmod 777 -R /etc/lighttpd; \
+    mkdir -p /var/www/domaincheck; \
+    chown www-data:www-data -R /var/www; \
+    chmod 777 -R /var/www/domaincheck
+COPY --chown=www-data:www-data lighttpd.conf /lighttpd.conf
+
+COPY --chmod=775 start.sh /start.sh
+
+USER www-data
+ENTRYPOINT ["/start.sh"]
+
+HEALTHCHECK CMD nc -z 127.0.0.1 $APACHE_PORT || exit 1
+LABEL com.centurylinklabs.watchtower.enable="false" \
+    org.label-schema.vendor="Nextcloud"

nextcloud-aio/Containers/domaincheck/lighttpd.conf

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+server.document-root = "/var/www/domaincheck/" 
+
+server.port = env.APACHE_PORT
+
+server.username = "www-data" 
+server.groupname = "www-data" 
+
+mimetype.assign = (
+  ".html" => "text/html", 
+  ".txt" => "text/plain",
+  ".jpg" => "image/jpeg",
+  ".png" => "image/png" 
+)
+
+static-file.exclude-extensions = ( ".fcgi", ".php", ".rb", "~", ".inc" )
+index-file.names = ( "index.html" )
+
+$SERVER["socket"] == "ipv6-placeholder" {
+	server.document-root = "/var/www/domaincheck/" 
+}

nextcloud-aio/Containers/domaincheck/start.sh

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+#!/bin/bash
+
+if [ -z "$INSTANCE_ID" ]; then
+    echo "You need to provide an instance id."
+    exit 1
+fi
+
+echo "$INSTANCE_ID" > /var/www/domaincheck/index.html
+
+if [ -z "$APACHE_PORT" ]; then
+    export APACHE_PORT="443"
+fi
+
+CONF_FILE="$(sed "s|ipv6-placeholder|\[::\]:$APACHE_PORT|" /lighttpd.conf)"
+echo "$CONF_FILE" > /etc/lighttpd/lighttpd.conf
+
+# Check config file
+lighttpd -tt -f /etc/lighttpd/lighttpd.conf
+
+# Run server
+lighttpd -D -f /etc/lighttpd/lighttpd.conf
+
+exec "$@"