diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/backend/run b/docker/rootfs/etc/s6-overlay/s6-rc.d/backend/run
index e8ffa17..9fe0831 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/backend/run
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/backend/run
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 . /bin/common.sh
 
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/10-npmuser.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/10-npmuser.sh
index c5cf543..1f290de 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/10-npmuser.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/10-npmuser.sh
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 log_info 'Configuring npmuser ...'
 
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/20-paths.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/20-paths.sh
index 2f59ef4..12f6400 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/20-paths.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/20-paths.sh
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 log_info 'Checking paths ...'
 
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/30-ownership.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/30-ownership.sh
index 684166e..41da358 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/30-ownership.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/30-ownership.sh
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 log_info 'Setting ownership ...'
 
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/40-dynamic.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/40-dynamic.sh
index 0cb9f12..d13fae7 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/40-dynamic.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/40-dynamic.sh
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 log_info 'Dynamic resolvers ...'
 
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh
index bc27eb1..3e583bf 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh
@@ -1,8 +1,13 @@
-#!/bin/bash
+#!/command/with-contenv bash
+# shellcheck shell=bash
 
 # This command reads the `DISABLE_IPV6` env var and will either enable
 # or disable ipv6 in all nginx configs based on this setting.
 
+set -e
+# verbose
+set -x
+
 log_info 'IPv6 ...'
 
 # Lowercase
diff --git a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/60-secrets.sh b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/60-secrets.sh
index faa22ac..1a72438 100755
--- a/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/60-secrets.sh
+++ b/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/60-secrets.sh
@@ -2,6 +2,8 @@
 # shellcheck shell=bash
 
 set -e
+# verbose
+set -x
 
 # in s6, environmental variables are written as text files for s6 to monitor
 # search through full-path filenames for files ending in "__FILE"