diff --git a/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-Base.repo b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-Base.repo
new file mode 100644
index 0000000..c748288
--- /dev/null
+++ b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-Base.repo
@@ -0,0 +1,40 @@
+# CentOS-Base.repo
+#
+# The mirror system uses the connecting IP address of the client and the
+# update status of each mirror to pick mirrors that are updated to and
+# geographically close to the client.  You should use this for CentOS updates
+# unless you are manually picking other mirrors.
+#
+# If the mirrorlist= does not work for you, as a fall back you can try the 
+# remarked out baseurl= line instead.
+#
+#
+
+# base packages for reinstall
+[base]
+name=CentOS-$releasever - Base
+baseurl=https://archive.kernel.org/centos-vault/7.9.2009/os/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+#released updates 
+[updates]
+name=CentOS-$releasever - Updates
+baseurl=https://archive.kernel.org/centos-vault/7.9.2009/updates/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+#additional packages that may be useful
+[extras]
+name=CentOS-$releasever - Extras
+baseurl=https://archive.kernel.org/centos-vault/7.9.2009/extras/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+#additional packages that extend functionality of existing packages
+[centosplus]
+name=CentOS-$releasever - Plus
+baseurl=https://archive.kernel.org/centos-vault/7.9.2009/centosplus/$basearch/
+gpgcheck=1
+enabled=0
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
diff --git a/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-SCL.repo b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-SCL.repo
new file mode 100644
index 0000000..9ae0f53
--- /dev/null
+++ b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/CentOS-SCL.repo
@@ -0,0 +1,6 @@
+[C7.9.2009-sclo]
+name=CentOS-7.9.2009 - SCLO
+baseurl=https://vault.centos.org/7.9.2009/sclo/$basearch/rh/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
+enabled=1
diff --git a/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/Dockerfile b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/Dockerfile
new file mode 100644
index 0000000..66fad61
--- /dev/null
+++ b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/Dockerfile
@@ -0,0 +1,59 @@
+FROM centos:7.9.2009
+
+COPY CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo
+
+RUN yum update -y \
+ && yum install -y \
+    bzip2 \
+    file \
+    git \
+    patch \
+    python3 \
+    vim \
+    gettext
+
+COPY CentOS-SCL.repo /etc/yum.repos.d/CentOS-SCL.repo
+
+RUN yum install -y centos-release-scl \
+ && rm -f rm /etc/yum.repos.d/CentOS-SCLo*.repo \
+ && yum install -y devtoolset-10
+
+RUN rm -rf rm -f /lib64/libcrypt.so \
+ && ldconfig -v
+
+RUN python3 -m pip install boto3
+
+ENV BOOTSTRAP_DIR=/usr/local/spack-tools
+
+COPY /spack.yaml /spack.yaml.pre
+
+RUN envsubst < spack.yaml.pre > spack.yaml \
+ && rm spack.yaml.pre
+
+RUN export S=/tmp/spack \
+ && git clone https://github.com/spack/spack $S \
+ && (cd $S && git checkout 4f9aa6004b4324bc819fcb25f4ed9acaa6cf11bc) \
+ && . $S/share/spack/setup-env.sh \
+ && export SPACK_DISABLE_LOCAL_CONFIG=1 \
+ && spack config add 'config:build_stage:$spack/build_stage' \
+ && spack config add "config:db_lock_timeout:360" \
+ && spack config add "config:connect_timeout:60" \
+ && spack mirror add bootstrap https://cache.e4s.io/spack-bootstrap/centos7-glibc2.17-libcrypt1/2024.11.20/pad256 \
+ && spack buildcache keys -it \
+ && spack -e . concretize -f | tee concretize.log \
+ && spack -e . install --cache-only \ 
+ && spack clean -a \
+ && mv spack.yaml spack.lock concretize.log $BOOTSTRAP_DIR/ \
+ && rm -rf $S .spack-env Makefile ~/.spack
+
+RUN cd /tmp \
+ && curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" \
+ && unzip awscliv2.zip \
+ && ./aws/install \
+ && rm -rf awscliv2.zip aws
+
+RUN echo source scl_source enable devtoolset-10 >> /etc/bashrc \
+ && echo export PATH=$BOOTSTRAP_DIR/view/bin:'${PATH}' >> /etc/bashrc
+
+ENV PATH=$BOOTSTRAP_DIR/view/bin:$PATH
+ENV LC_ALL=en_US.UTF-8
diff --git a/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/build.sh b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/build.sh
new file mode 100755
index 0000000..e5aa75e
--- /dev/null
+++ b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/build.sh
@@ -0,0 +1,12 @@
+#!/bin/bash -e
+
+BUILD_DATE=$(printf '%(%Y.%m.%d)T' -1)
+BUILD_TAG=${BUILD_TAG:-${BUILD_DATE}}
+BUILD_NAME=centos7-builder-amd64-gcc10.2.1-glibc2.17-libcrypt1
+
+REGISTRY=${REGISTRY:-ghcr.io/spack/spack}
+OUTPUT_IMAGE="${REGISTRY}/${BUILD_NAME}:${BUILD_TAG}"
+
+docker build \
+ -t "${OUTPUT_IMAGE}" \
+ .
diff --git a/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/spack.yaml b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/spack.yaml
new file mode 100644
index 0000000..2df3c2e
--- /dev/null
+++ b/Dockerfiles/centos7-builder-amd64-gcc-10.2.1-glibc2.17-libcrypt1/spack.yaml
@@ -0,0 +1,24 @@
+spack:
+  view: 
+    default:
+      root: $BOOTSTRAP_DIR/view
+      link: roots
+
+  config:
+    install_tree:
+      root: $BOOTSTRAP_DIR/install
+
+  concretizer:
+    reuse: true
+    unify: when_possible
+
+  packages:
+    all:
+      require: '%gcc target=x86_64'
+
+  specs:
+  - gmake
+  - gnupg
+  - libtree
+  - patchelf
+  - git