diff --git a/images/barbican/Dockerfile b/images/barbican/Dockerfile
index f6c0f13..500cc4d 100644
--- a/images/barbican/Dockerfile
+++ b/images/barbican/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG BARBICAN_GIT_REF=ca57ef5436e20e90cf6cd6853efe3c89a9afd986
 ADD --keep-git-dir=true https://opendev.org/openstack/barbican.git#${BARBICAN_GIT_REF} /src/barbican
 RUN git -C /src/barbican fetch --unshallow
@@ -15,5 +13,5 @@
         pykmip
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 COPY --from=build --link /var/lib/openstack /var/lib/openstack
diff --git a/images/cinder/Dockerfile b/images/cinder/Dockerfile
index 1cbd002..24db11a 100644
--- a/images/cinder/Dockerfile
+++ b/images/cinder/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG CINDER_GIT_REF=b0f0b9015b9dfa228dff98eeee5116d8eca1c3cc
 ADD --keep-git-dir=true https://opendev.org/openstack/cinder.git#${CINDER_GIT_REF} /src/cinder
 RUN git -C /src/cinder fetch --unshallow
@@ -26,7 +24,7 @@
     https://github.com/storpool/storpool-openstack-integration/raw/master/drivers/os_brick/openstack/bobcat/storpool.py \
     /var/lib/openstack/lib/python3.10/site-packages/os_brick/initiator/connectors/storpool.py
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/designate/Dockerfile b/images/designate/Dockerfile
index e31e43e..83e737d 100644
--- a/images/designate/Dockerfile
+++ b/images/designate/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG DESIGNATE_GIT_REF=097ffc6df181290eba1bcd7c492b1b505bc15434
 ADD --keep-git-dir=true https://opendev.org/openstack/designate.git#${DESIGNATE_GIT_REF} /src/designate
 RUN git -C /src/designate fetch --unshallow
@@ -16,7 +14,7 @@
         /src/designate
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/glance/Dockerfile b/images/glance/Dockerfile
index 6690bc2..62509ec 100644
--- a/images/glance/Dockerfile
+++ b/images/glance/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG GLANCE_GIT_REF=0bcd6cd71c09917c6734421374fd598d73e8d0cc
 ADD --keep-git-dir=true https://opendev.org/openstack/glance.git#${GLANCE_GIT_REF} /src/glance
 RUN git -C /src/glance fetch --unshallow
@@ -22,7 +20,7 @@
     https://github.com/storpool/storpool-openstack-integration/raw/master/drivers/os_brick/openstack/bobcat/storpool.py \
     /var/lib/openstack/lib/python3.10/site-packages/os_brick/initiator/connectors/storpool.py
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/heat/Dockerfile b/images/heat/Dockerfile
index 6d37b52..318c06f 100644
--- a/images/heat/Dockerfile
+++ b/images/heat/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG HEAT_GIT_REF=80eea85194825773d1b60ecc4386b2d5ba52a066
 ADD --keep-git-dir=true https://opendev.org/openstack/heat.git#${HEAT_GIT_REF} /src/heat
 RUN git -C /src/heat fetch --unshallow
@@ -14,7 +12,7 @@
         /src/heat
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/horizon/Dockerfile b/images/horizon/Dockerfile
index c51a3f7..2b7b0a0 100644
--- a/images/horizon/Dockerfile
+++ b/images/horizon/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG HORIZON_GIT_REF=14212342cf8f7eb987e50de112958af31063e02e
 ADD --keep-git-dir=true https://opendev.org/openstack/horizon.git#${HORIZON_GIT_REF} /src/horizon
 RUN git -C /src/horizon fetch --unshallow
@@ -41,7 +39,7 @@
         pymemcache
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/ironic/Dockerfile b/images/ironic/Dockerfile
index 2f93674..967437e 100644
--- a/images/ironic/Dockerfile
+++ b/images/ironic/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG IRONIC_GIT_REF=22aa29b864eecd00bfb7c67cc2075030da1eb1d0
 ADD --keep-git-dir=true https://opendev.org/openstack/ironic.git#${IRONIC_GIT_REF} /src/ironic
 RUN git -C /src/ironic fetch --unshallow
@@ -16,7 +14,7 @@
         sushy
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/keepalived/Dockerfile b/images/keepalived/Dockerfile
index 4ccd572..4ad3e04 100644
--- a/images/keepalived/Dockerfile
+++ b/images/keepalived/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/ubuntu:${RELEASE}
+FROM ubuntu
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/keystone/Dockerfile b/images/keystone/Dockerfile
index 12df545..ba76495 100644
--- a/images/keystone/Dockerfile
+++ b/images/keystone/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG KEYSTONE_GIT_REF=8ca73f758bb613a57815fbe4ae78e3d2afa4af49
 ADD --keep-git-dir=true https://opendev.org/openstack/keystone.git#${KEYSTONE_GIT_REF} /src/keystone
 RUN git -C /src/keystone fetch --unshallow
@@ -15,7 +13,7 @@
         keystone-keycloak-backend==0.1.8
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
@@ -26,6 +24,11 @@
 ARG MOD_AUTH_OPENIDC_VERSION=2.4.12.1
 ARG TARGETARCH
 RUN <<EOF bash -xe
+# TODO(mnaser): mod_auth_openidc does not have aarch64 builds
+if [ "${TARGETARCH}" = "arm64" ]; then
+    exit 0
+fi
+
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
     curl
diff --git a/images/kubernetes-entrypoint/Dockerfile b/images/kubernetes-entrypoint/Dockerfile
index ecdceb3..67250af 100644
--- a/images/kubernetes-entrypoint/Dockerfile
+++ b/images/kubernetes-entrypoint/Dockerfile
@@ -1,7 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-FROM harbor.atmosphere.dev/docker.io/library/golang:1.21 AS build
+FROM golang AS build
 ARG KUBERNETES_ENTRYPOINT_GIT_REF=4fbcf7ce324dc66e78480f73035e31434cfea1e8
 ADD https://opendev.org/airship/kubernetes-entrypoint.git#${KUBERNETES_ENTRYPOINT_GIT_REF} /src
 WORKDIR /src
diff --git a/images/libvirtd/Dockerfile b/images/libvirtd/Dockerfile
index a025102..2e78633 100644
--- a/images/libvirtd/Dockerfile
+++ b/images/libvirtd/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2025-01-15T02:05:46Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-runtime:${RELEASE}
+FROM openstack-runtime
 ADD --chmod=644 https://download.ceph.com/keys/release.gpg /etc/apt/trusted.gpg.d/ceph.gpg
 COPY <<EOF /etc/apt/sources.list.d/ceph.list
 deb http://download.ceph.com/debian-reef/ jammy main
diff --git a/images/magnum/Dockerfile b/images/magnum/Dockerfile
index bee9388..a8a63c6 100644
--- a/images/magnum/Dockerfile
+++ b/images/magnum/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/ubuntu:${RELEASE} AS helm
+FROM ubuntu AS helm
 ARG TARGETOS
 ARG TARGETARCH
 ARG HELM_VERSION=3.14.0
@@ -12,7 +10,7 @@
 RUN tar -xzf /helm.tar.gz
 RUN mv /${TARGETOS}-${TARGETARCH}/helm /usr/bin/helm
 
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG MAGNUM_GIT_REF=c613ea4e419edc0086116da07e93cf19206746e1
 ADD --keep-git-dir=true https://opendev.org/openstack/magnum.git#${MAGNUM_GIT_REF} /src/magnum
 RUN git -C /src/magnum fetch --unshallow
@@ -26,7 +24,7 @@
         magnum-cluster-api==0.24.2
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/manila/Dockerfile b/images/manila/Dockerfile
index 698659b..f9caa61 100644
--- a/images/manila/Dockerfile
+++ b/images/manila/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG MANILA_GIT_REF=d8987589ae88ae9b2769fbe6f26d5b6994098038
 ADD --keep-git-dir=true https://opendev.org/openstack/manila.git#${MANILA_GIT_REF} /src/manila
 RUN git -C /src/manila fetch --unshallow
@@ -14,7 +12,7 @@
         /src/manila
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/netoffload/Dockerfile b/images/netoffload/Dockerfile
index b39553b..3fc7550 100644
--- a/images/netoffload/Dockerfile
+++ b/images/netoffload/Dockerfile
@@ -1,16 +1,14 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM harbor.atmosphere.dev/docker.io/library/golang:1.20 AS build
+FROM golang AS build
 ARG NETOFFLOAD_GIT_REF=94b8c0fdb0b83bd1b7e14b9a58077a047c78a800
 ADD https://github.com/vexxhost/netoffload.git#${NETOFFLOAD_GIT_REF} /src
 WORKDIR /src
 RUN go build -v -o offloadctl ./cmd/offloadctl/main.go
 
-FROM ${REGISTRY}/ubuntu:${RELEASE}
+FROM ubuntu
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/neutron/Dockerfile b/images/neutron/Dockerfile
index 53bb7fb..db5b52a 100644
--- a/images/neutron/Dockerfile
+++ b/images/neutron/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2025-01-24T11:51:19Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG NEUTRON_GIT_REF=019294c71d94b788c14b23dc1da3c21f51bcdb0b
 ADD --keep-git-dir=true https://opendev.org/openstack/neutron.git#${NEUTRON_GIT_REF} /src/neutron
 RUN git -C /src/neutron fetch --unshallow
@@ -30,7 +28,7 @@
         /src/neutron-ovn-network-logging-parser
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/nova-ssh/Dockerfile b/images/nova-ssh/Dockerfile
index 2a1980d..3279f4f 100644
--- a/images/nova-ssh/Dockerfile
+++ b/images/nova-ssh/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-runtime:${RELEASE}
+FROM openstack-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/nova/Dockerfile b/images/nova/Dockerfile
index 1ce9eb0..378b95a 100644
--- a/images/nova/Dockerfile
+++ b/images/nova/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-12-17T01:27:44Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG NOVA_GIT_REF=c199becf52267ba37c5191f6f82e29bb5232b607
 ADD --keep-git-dir=true https://opendev.org/openstack/nova.git#${NOVA_GIT_REF} /src/nova
 RUN git -C /src/nova fetch --unshallow
@@ -26,7 +24,7 @@
     https://github.com/storpool/storpool-openstack-integration/raw/master/drivers/os_brick/openstack/bobcat/storpool.py \
     /var/lib/openstack/lib/python3.10/site-packages/os_brick/initiator/connectors/storpool.py
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 ADD https://github.com/novnc/noVNC.git#v1.4.0 /usr/share/novnc
 RUN <<EOF bash -xe
 apt-get update -qq
diff --git a/images/octavia/Dockerfile b/images/octavia/Dockerfile
index 109035d..14c7db2 100644
--- a/images/octavia/Dockerfile
+++ b/images/octavia/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG OCTAVIA_GIT_REF=824b51a1dad80292b7a8ad5d61bf3ce706b1fb29
 ADD --keep-git-dir=true https://opendev.org/openstack/octavia.git#${OCTAVIA_GIT_REF} /src/octavia
 RUN git -C /src/octavia fetch --unshallow
@@ -17,7 +15,7 @@
         /src/ovn-octavia-provider
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/openstack-runtime/Dockerfile b/images/openstack-runtime/Dockerfile
index 5c17a3c..2fd0d00 100644
--- a/images/openstack-runtime/Dockerfile
+++ b/images/openstack-runtime/Dockerfile
@@ -1,11 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-ARG FROM=${REGISTRY}/ubuntu-cloud-archive:${RELEASE}
-FROM ${FROM}
+FROM base
 ONBUILD ARG PROJECT
 ONBUILD ARG SHELL=/usr/sbin/nologin
 ONBUILD RUN \
diff --git a/images/openstack-venv-builder/Dockerfile b/images/openstack-venv-builder/Dockerfile
index e58a776..a1346a5 100644
--- a/images/openstack-venv-builder/Dockerfile
+++ b/images/openstack-venv-builder/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/ubuntu-cloud-archive:${RELEASE} AS requirements
+FROM ubuntu-cloud-archive AS requirements
 ARG REQUIREMENTS_GIT_REF=18098b9abacbd8d7257bebc1b302294f634441ab
 ADD --keep-git-dir=true https://opendev.org/openstack/requirements.git#${REQUIREMENTS_GIT_REF} /src/requirements
 RUN cp /src/requirements/upper-constraints.txt /upper-constraints.txt
@@ -13,7 +11,7 @@
 sed -i '/horizon/d' /upper-constraints.txt
 EOF
 
-FROM ${REGISTRY}/python-base:${RELEASE}
+FROM python-base
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/openvswitch/Dockerfile b/images/openvswitch/Dockerfile
index 5299c47..3ee23da 100644
--- a/images/openvswitch/Dockerfile
+++ b/images/openvswitch/Dockerfile
@@ -1,7 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-FROM quay.io/centos/centos:stream9
+FROM centos
 ADD --chmod=755 https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
 ARG OVS_SERIES=3.2
 ARG OVS_VERSION=${OVS_SERIES}.0-80
diff --git a/images/ovn/Dockerfile b/images/ovn/Dockerfile
index 19cbcd0..d628380 100644
--- a/images/ovn/Dockerfile
+++ b/images/ovn/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-10-31T12:56:04Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM harbor.atmosphere.dev/docker.io/library/golang:1.20 AS ovn-kubernetes
+FROM golang AS ovn-kubernetes
 ARG OVN_KUBERNETES_REF=5359e7d7f872058b6e5bf884c9f19d1922451f29
 ADD https://github.com/ovn-org/ovn-kubernetes.git#${OVN_KUBERNETES_REF} /src
 COPY patches/ovn-kubernetes /patches/ovn-kubernetes
@@ -14,7 +12,7 @@
 go build -o /usr/bin/ovn-kube-util ./cmd/ovn-kube-util
 EOF
 
-FROM ${REGISTRY}/openvswitch:${RELEASE}
+FROM openvswitch
 ENV OVS_USER_ID=42424
 ARG TARGETPLATFORM
 ADD --chmod=755 https://dl.k8s.io/release/v1.29.3/bin/${TARGETPLATFORM}/kubectl /usr/local/bin/kubectl
diff --git a/images/placement/Dockerfile b/images/placement/Dockerfile
index b5be5e8..958b35f 100644
--- a/images/placement/Dockerfile
+++ b/images/placement/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG PLACEMENT_GIT_REF=96a9aeb3b4a6ffff5bbf247b213409395239fc7a
 ADD --keep-git-dir=true https://opendev.org/openstack/placement.git#${PLACEMENT_GIT_REF} /src/placement
 RUN git -C /src/placement fetch --unshallow
@@ -14,5 +12,5 @@
         /src/placement
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 COPY --from=build --link /var/lib/openstack /var/lib/openstack
diff --git a/images/python-base/Dockerfile b/images/python-base/Dockerfile
index 0a7be4b..35acbc1 100644
--- a/images/python-base/Dockerfile
+++ b/images/python-base/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/ubuntu-cloud-archive:${RELEASE}
+FROM ubuntu-cloud-archive
 ENV PATH=/var/lib/openstack/bin:$PATH
 RUN \
     apt-get update -qq && \
diff --git a/images/python-openstackclient/Dockerfile b/images/python-openstackclient/Dockerfile
index 1dfa764..abafa29 100644
--- a/images/python-openstackclient/Dockerfile
+++ b/images/python-openstackclient/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 RUN --mount=type=cache,mode=0755,target=/root/.cache/pip,sharing=private <<EOF bash -xe
 pip3 install \
     --constraint /upper-constraints.txt \
@@ -22,7 +20,7 @@
         python-swiftclient
 EOF
 
-FROM ${REGISTRY}/python-base:${RELEASE}
+FROM python-base
 COPY --from=build --link /var/lib/openstack /var/lib/openstack
 
 # NOTE(mnaser): The Magnum client relies on the SHELL environment variable
diff --git a/images/staffeln/Dockerfile b/images/staffeln/Dockerfile
index d75fa37..0f63af1 100644
--- a/images/staffeln/Dockerfile
+++ b/images/staffeln/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG STAFFELN_GIT_REF=v2.2.3
 ADD --keep-git-dir=true https://github.com/vexxhost/staffeln.git#${STAFFELN_GIT_REF} /src/staffeln
 RUN git -C /src/staffeln fetch --unshallow
@@ -14,5 +12,5 @@
         /src/staffeln
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 COPY --from=build --link /var/lib/openstack /var/lib/openstack
diff --git a/images/tempest/Dockerfile b/images/tempest/Dockerfile
index 1545877..5cabb86 100644
--- a/images/tempest/Dockerfile
+++ b/images/tempest/Dockerfile
@@ -1,17 +1,15 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM harbor.atmosphere.dev/docker.io/library/golang:1.18 AS octavia-test-server
+FROM golang AS octavia-test-server
 ADD --keep-git-dir=true https://opendev.org/openstack/octavia-tempest-plugin.git#master /src
 RUN GO111MODULE=off CGO_ENABLED=0 GOOS=linux go build \
     -a -ldflags '-s -w -extldflags -static' \
     -o /build/test_server.bin \
     /src/octavia_tempest_plugin/contrib/test_server/test_server.go
 
-FROM ${REGISTRY}/openstack-venv-builder:${RELEASE} AS build
+FROM openstack-venv-builder AS build
 ARG TEMPEST_GIT_REF=c0da6e843a74c2392c8e87e8ff36d2fea12949c4
 ADD --keep-git-dir=true https://opendev.org/openstack/tempest.git#${TEMPEST_GIT_REF} /src/tempest
 RUN git -C /src/tempest fetch --unshallow
@@ -40,7 +38,7 @@
         /src/octavia-tempest-plugin
 EOF
 
-FROM ${REGISTRY}/openstack-python-runtime:${RELEASE}
+FROM openstack-python-runtime
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
diff --git a/images/ubuntu-cloud-archive/Dockerfile b/images/ubuntu-cloud-archive/Dockerfile
index 841542e..8531800 100644
--- a/images/ubuntu-cloud-archive/Dockerfile
+++ b/images/ubuntu-cloud-archive/Dockerfile
@@ -1,10 +1,8 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-ARG REGISTRY
-ARG RELEASE
-
-FROM ${REGISTRY}/ubuntu:${RELEASE}
+FROM ubuntu
 COPY trusted.gpg.d/ubuntu-cloud-keyring.gpg /etc/apt/trusted.gpg.d/ubuntu-cloud-keyring.gpg
 COPY <<EOF /etc/apt/sources.list.d/cloudarchive.list
 deb http://ubuntu-cloud.archive.canonical.com/ubuntu jammy-updates/caracal main
diff --git a/images/ubuntu/Dockerfile b/images/ubuntu/Dockerfile
index 89cae3d..c1c5af0 100644
--- a/images/ubuntu/Dockerfile
+++ b/images/ubuntu/Dockerfile
@@ -1,5 +1,6 @@
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
 
-FROM harbor.atmosphere.dev/docker.io/library/ubuntu:jammy-20240227
+FROM ubuntu
 LABEL org.opencontainers.image.source=https://github.com/vexxhost/atmosphere