diff --git a/base/alpine/Dockerfile b/base/alpine/Dockerfile
deleted file mode 100644
index ab4d301..0000000
--- a/base/alpine/Dockerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-FROM alpine:edge
-
-RUN apk add -U --no-cache tini
-
-ADD ./entrypoint.sh /
-ENTRYPOINT ["/entrypoint.sh"]
-
-# Add Backplane agent
-ENV BACKPLANE_AGENT_VERSION 1.2.2
-RUN apk add -U --no-cache wget ca-certificates \
- && wget https://bin.equinox.io/c/jWahGASjoRq/backplane-stable-linux-amd64.tgz \
- && tar xf backplane-stable-linux-amd64.tgz \
- && mv backplane /usr/bin/backplane \
- && rm backplane-stable-linux-amd64.tgz \
- && apk del wget
-
-# update to edge
-ADD repositories /etc/apk/repositories
-RUN apk add -U --no-cache runit
-ADD runit/ /etc/system
diff --git a/base/alpine/box.rb b/base/alpine/box.rb
new file mode 100644
index 0000000..3ab3c4b
--- /dev/null
+++ b/base/alpine/box.rb
@@ -0,0 +1,21 @@
+from "alpine:edge"
+
+copy "repositories", "/etc/apk/repositories"
+copy "runit/", "/etc/system"
+
+run "apk upgrade --no-cache"
+run "apk add --no-cache --virtual xe-alpine-base tini ca-certificates runit"
+
+env "BACKPLANE_AGENT_VERSION" => "1.2.2"
+run %q[ apk add -U --no-cache wget ca-certificates \
+     && wget https://bin.equinox.io/c/jWahGASjoRq/backplane-stable-linux-amd64.tgz \
+     && tar xf backplane-stable-linux-amd64.tgz \
+     && mv backplane /usr/bin/backplane \
+     && rm backplane-stable-linux-amd64.tgz \
+     && apk del wget ]
+
+copy "./entrypoint.sh", "/usr/sbin/entrypoint.sh"
+entrypoint "/usr/sbin/entrypoint.sh"
+
+flatten
+tag "xena/alpine"