From 643559cfdb0918eb7966b2016522d50e8da1aef4 Mon Sep 17 00:00:00 2001
From: tkmru <taichi.kotake@sterrasec.com>
Date: Sat, 27 Jul 2024 12:32:44 +0900
Subject: [PATCH] CentOS7 EOL was 2024-06-30, so mirrorlist.centos.org is
 unavailable now.

---
 containers/bind/Dockerfile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/containers/bind/Dockerfile b/containers/bind/Dockerfile
index 6ea9d5c..1a34d6a 100644
--- a/containers/bind/Dockerfile
+++ b/containers/bind/Dockerfile
@@ -1,8 +1,14 @@
 # Forking https://github.com/knqyf263/CVE-2020-8617
 FROM centos:7
 
+# CentOS7 EOL was 2024-06-30, so mirrorlist.centos.org is unavailable now.
+# Thanks to https://zenn.dev/potyama/articles/83f1d7fc82202e
+RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* && \
+    sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
+
 # Install necessary packages
 RUN yum -y update \
+    && yum clean all \
     && yum -y groupinstall "Development Tools" \
     && yum install -y epel-release \
     && yum -y install kernel-devel kernel-headers openssl-devel perl-Net-DNS bind-utils vim tar python-pip \