diff --git a/docker-images/Dockerfile.dev-gcc-centos6 b/docker-images/Dockerfile.dev-gcc-centos6
new file mode 100644
index 0000000..7dcd7f6
--- /dev/null
+++ b/docker-images/Dockerfile.dev-gcc-centos6
@@ -0,0 +1,11 @@
+## centos6 image to use for building hawk
+
+FROM docker.io/centos:6
+
+COPY vault-centos6.repo /etc/yum.repos.d/CentOS-Base.repo
+
+RUN groupadd -g 1000 rockstar && useradd -u 1000 -g 1000 -m rockstar && groupmems -g wheel -a rockstar
+
+RUN ulimit -n 1024 && yum -y install mysql-devel libffi-devel rpm-build gcc gcc-c++ sudo readline-devel ncurses-devel
+
+RUN echo -e '%wheel        ALL=(ALL)       NOPASSWD: ALL\nrockstar ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/99-wheel
diff --git a/docker-images/Makefile b/docker-images/Makefile
index 1c2ca18..96549be 100644
--- a/docker-images/Makefile
+++ b/docker-images/Makefile
@@ -2,7 +2,6 @@ build: dev-go-centos7
 
 publish: publish-dev-go-centos7
 
-
 dev-go-centos7:
 	docker build -t dev:go1.20.6.centos7 -f Dockerfile.$@ .
 
@@ -30,3 +29,7 @@ dev-gcc-rocky9:
 publish-dev-gcc-rocky9:
 	docker tag dev:gcc.rocky9 docker.io/hyunghwan/dev:gcc.rocky9
 	docker push docker.io/hyunghwan/dev:gcc.rocky9
+
+dev-gcc-centos6:
+	docker build -t dev:gcc.centos6 -f Dockerfile.$@ .
+
diff --git a/docker-images/vault-centos6.repo b/docker-images/vault-centos6.repo
new file mode 100644
index 0000000..7d14e2a
--- /dev/null
+++ b/docker-images/vault-centos6.repo
@@ -0,0 +1,19 @@
+[base]
+name=CentOS-$releasever - Base
+baseurl=http://vault.centos.org/$releasever.10/os/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
+
+#released updates
+[updates]
+name=CentOS-$releasever - Updates
+baseurl=http://vault.centos.org/$releasever.10/updates/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
+
+#additional packages that may be useful
+[extras]
+name=CentOS-$releasever - Extras
+baseurl=http://vault.centos.org/$releasever.10/extras/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6