diff --git a/.builds/docker.yml b/.builds/docker.yml
new file mode 100644
index 0000000..c6f0947
--- /dev/null
+++ b/.builds/docker.yml
@@ -0,0 +1,9 @@
+image: alpine/edge
+packages:
+  - docker
+sources:
+  - https://git.sr.ht/~shu/docker_alpine_s6
+tasks:
+  - build: |
+      cd docker_alpine_s6
+      docker build -t alpine-s6 .