diff --git a/utils/docker/Dockerfile.el.8 b/utils/docker/Dockerfile.el.8
index 4af7c0fc997..b67d7a94a1b 100644
--- a/utils/docker/Dockerfile.el.8
+++ b/utils/docker/Dockerfile.el.8
@@ -1,5 +1,5 @@
 # Copyright 2018-2024 Intel Corporation
-# Copyright 2025 Hewlett Packard Enterprise Development LP
+# Copyright 2025-2026 Hewlett Packard Enterprise Development LP
 # All rights reserved.
 #
 # 'recipe' for Docker to build an image of EL 8 based
@@ -17,6 +17,17 @@ ARG BASE_DISTRO
 # Intermittent cache-bust.  Used to reduce load on the actual CB1 later.
 ARG CB0
 
+# Accept DAOS_NO_PROXY at build time
+ARG DAOS_NO_PROXY
+# Propagate into the build environment
+ENV no_proxy=${DAOS_NO_PROXY}
+ENV NO_PROXY=${DAOS_NO_PROXY}
+# Persist into /etc/environment for use by shells and services
+RUN cat <<EOF >> /etc/environment
+"no_proxy=${DAOS_NO_PROXY}"
+"NO_PROXY=${DAOS_NO_PROXY}"
+EOF
+
 ARG REPO_FILE_URL
 ARG JENKINS_URL
 ARG REPOS
diff --git a/utils/docker/Dockerfile.el.9 b/utils/docker/Dockerfile.el.9
index e78bd286943..49eecb8b4c9 100644
--- a/utils/docker/Dockerfile.el.9
+++ b/utils/docker/Dockerfile.el.9
@@ -1,5 +1,5 @@
 # Copyright 2022-2024 Intel Corporation
-# Copyright 2025 Hewlett Packard Enterprise Development LP
+# Copyright 2025-2026 Hewlett Packard Enterprise Development LP
 # All rights reserved.
 #
 # 'recipe' for Docker to build an image of EL 9 based
@@ -17,6 +17,17 @@ ARG BASE_DISTRO
 # Intermittent cache-bust.  Used to reduce load on the actual CB1 later.
 ARG CB0
 
+# Accept DAOS_NO_PROXY at build time
+ARG DAOS_NO_PROXY
+# Propagate into the build environment
+ENV no_proxy=${DAOS_NO_PROXY}
+ENV NO_PROXY=${DAOS_NO_PROXY}
+# Persist into /etc/environment for use by shells and services
+RUN cat <<EOF >> /etc/environment
+"no_proxy=${DAOS_NO_PROXY}"
+"NO_PROXY=${DAOS_NO_PROXY}"
+EOF
+
 ARG REPO_FILE_URL
 ARG JENKINS_URL
 ARG REPOS
diff --git a/utils/docker/Dockerfile.leap.15 b/utils/docker/Dockerfile.leap.15
index 64449aa3efd..5bc352bfd94 100644
--- a/utils/docker/Dockerfile.leap.15
+++ b/utils/docker/Dockerfile.leap.15
@@ -18,6 +18,17 @@ ARG BASE_DISTRO
 # Intermittent cache-bust.  Used to reduce load on the actual CB1 later.
 ARG CB0
 
+# Accept DAOS_NO_PROXY at build time
+ARG DAOS_NO_PROXY
+# Propagate into the build environment
+ENV no_proxy=${DAOS_NO_PROXY}
+ENV NO_PROXY=${DAOS_NO_PROXY}
+# Persist into /etc/environment for use by shells and services
+RUN cat <<EOF >> /etc/environment
+"no_proxy=${DAOS_NO_PROXY}"
+"NO_PROXY=${DAOS_NO_PROXY}"
+EOF
+
 ARG REPO_FILE_URL
 ARG JENKINS_URL
 ARG REPOS
diff --git a/utils/scripts/helpers/repo-helper-el8.sh b/utils/scripts/helpers/repo-helper-el8.sh
index 88bcf6654aa..c935e867abb 100755
--- a/utils/scripts/helpers/repo-helper-el8.sh
+++ b/utils/scripts/helpers/repo-helper-el8.sh
@@ -130,10 +130,12 @@ disable_repos /etc/yum.repos.d/ "${save_repos[@]}"
 if [ -n "$REPO_FILE_URL" ]; then
     trusted_host="${REPO_FILE_URL##*//}"
     trusted_host="${trusted_host%%/*}"; \
-    {
-        echo "[global]"
-        echo "trusted-host = ${trusted_host}"
-        echo "index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple"
-        echo "proxy = \"\""
-    } > /etc/pip.conf
+    cat <<EOF > /etc/pip.conf
+[global]
+    trusted-host = ${trusted_host}
+    index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple
+    progress_bar = off
+    no_color = true
+    quiet = 1
+EOF
 fi
diff --git a/utils/scripts/helpers/repo-helper-el9.sh b/utils/scripts/helpers/repo-helper-el9.sh
index f96a144b674..ece81cf786f 100644
--- a/utils/scripts/helpers/repo-helper-el9.sh
+++ b/utils/scripts/helpers/repo-helper-el9.sh
@@ -126,10 +126,12 @@ disable_repos /etc/yum.repos.d/ "${save_repos[@]}"
 if [ -n "$REPO_FILE_URL" ]; then
     trusted_host="${REPO_FILE_URL##*//}"
     trusted_host="${trusted_host%%/*}"; \
-    {
-        echo "[global]"
-        echo "trusted-host = ${trusted_host}"
-        echo "index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple"
-        echo "proxy = "
-    } > /etc/pip.conf
+    cat <<EOF > /etc/pip.conf
+[global]
+    trusted-host = ${trusted_host}
+    index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple
+    progress_bar = off
+    no_color = true
+    quiet = 1
+EOF
 fi
diff --git a/utils/scripts/helpers/repo-helper-leap15.sh b/utils/scripts/helpers/repo-helper-leap15.sh
index 86251a6d7e2..2f5046332b6 100755
--- a/utils/scripts/helpers/repo-helper-leap15.sh
+++ b/utils/scripts/helpers/repo-helper-leap15.sh
@@ -172,10 +172,12 @@ update-ca-certificates
 if [ -n "$REPO_FILE_URL" ]; then
     trusted_host="${REPO_FILE_URL##*//}"
     trusted_host="${trusted_host%%/*}"; \
-    {
-        echo "[global]"
-        echo "trusted-host = ${trusted_host}"
-        echo "index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple"
-        echo "proxy = \"\""
-     } > /etc/pip.conf
+    cat <<EOF > /etc/pip.conf
+[global]
+    trusted-host = ${trusted_host}
+    index-url = https://${trusted_host}/artifactory/api/pypi/pypi-proxy/simple
+    progress_bar = off
+    no_color = true
+    quiet = 1
+EOF
 fi