diff --git a/Dockerfile b/Dockerfile
index 8951487..2bed43d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,6 +40,9 @@ RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-noarch.tar.xz
 ADD https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-arch.tar.xz /tmp
 RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-arch.tar.xz
 
+# copy ci-checks
+COPY ci-check/ /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-rc/sources/top/contents.d
+
 # patch cont-init for docker-mods
 COPY patch/ /tmp/patch
 RUN  patch -u /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-linux-init/skel/rc.init -i /tmp/patch/package/admin/s6-overlay-@VERSION@/etc/s6-linux-init/skel/rc.init.patch
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 52bec93..c73127c 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -40,6 +40,9 @@ RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-noarch.tar.xz
 ADD https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-arch.tar.xz /tmp
 RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-arch.tar.xz
 
+# copy ci-checks
+COPY ci-check/ /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-rc/sources/top/contents.d
+
 # patch cont-init for docker-mods
 COPY patch/ /tmp/patch
 RUN  patch -u /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-linux-init/skel/rc.init -i /tmp/patch/package/admin/s6-overlay-@VERSION@/etc/s6-linux-init/skel/rc.init.patch
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 3b54adc..a56a523 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -40,6 +40,9 @@ RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-noarch.tar.xz
 ADD https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-arch.tar.xz /tmp
 RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-arch.tar.xz
 
+# copy ci-checks
+COPY ci-check/ /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-rc/sources/top/contents.d
+
 # patch cont-init for docker-mods
 COPY patch/ /tmp/patch
 RUN  patch -u /root-out/package/admin/s6-overlay-${S6_OVERLAY_VERSION}/etc/s6-linux-init/skel/rc.init -i /tmp/patch/package/admin/s6-overlay-@VERSION@/etc/s6-linux-init/skel/rc.init.patch
diff --git a/ci-check/99-ci-service-check b/ci-check/99-ci-service-check
new file mode 100644
index 0000000..e69de29
diff --git a/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/base b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/base
new file mode 100644
index 0000000..e69de29
diff --git a/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/legacy-services b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/legacy-services
new file mode 100644
index 0000000..e69de29
diff --git a/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/user b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/dependencies.d/user
new file mode 100644
index 0000000..e69de29
diff --git a/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/type b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/type
new file mode 100644
index 0000000..bdd22a1
--- /dev/null
+++ b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/type
@@ -0,0 +1 @@
+oneshot
diff --git a/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/up b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/up
new file mode 100644
index 0000000..06ccdf9
--- /dev/null
+++ b/root/etc/s6-overlay/s6-rc.d/99-ci-service-check/up
@@ -0,0 +1 @@
+echo "[services.d] done."
\ No newline at end of file