New minimal Alpine images

.buildkite/pipeline.yml

@@ -1,24 +1,11 @@
 steps:
-  - command: scripts/download.sh
-    name: "Download :buildkite: assets"
-    agents:
-      queue: docker-builder
-
   - wait
-  - command: scripts/build.sh
-    name: "Build :docker: images"
-    agents:
-      queue: docker-builder
 
-  - wait
-  - command: scripts/test_all_images.sh
-    name: "Test :allthethings:"
-    agents:
-      queue: docker-builder
+  - command: .buildkite/steps/test.sh
+    name: ":hammer: Test"
 
   - wait
-  - command: scripts/release.sh
-    name: "Push images to DockerHub :rocket:"
+
+  - command: .buildkite/steps/release.sh
+    name: ":rocket: Push to DockerHub"
     branches: master
-    agents:
-      queue: docker-builder

.dockerignore

@@ -0,0 +1,2 @@
+.git
+.buildkite

experimental/Dockerfile

@@ -0,0 +1,27 @@
+FROM alpine:3.4
+
+RUN apk add --no-cache \
+      tini \
+      bash \
+      git \
+      perl \
+      openssh-client
+
+ENV BUILDKITE_AGENT_VERSION 3.0-beta.10.1323
+
+ADD https://download.buildkite.com/agent/experimental/$BUILDKITE_AGENT_VERSION/buildkite-agent-linux-amd64 /usr/local/bin/buildkite-agent
+RUN chmod +x /usr/local/bin/buildkite-agent
+
+RUN mkdir -p \
+      /buildkite/builds \
+      /buildkite/hooks \
+      /buildkite/plugins
+
+ENV BUILDKITE_BUILD_PATH=/buildkite/builds \
+    BUILDKITE_HOOKS_PATH=/buildkite/hooks \
+    BUILDKITE_PLUGINS_PATH=/buildkite/plugins
+
+ADD https://raw.githubusercontent.com/buildkite/docker-ssh-env-config/master/ssh-env-config.sh /usr/local/bin/ssh-env-config.sh
+RUN chmod +x /usr/local/bin/ssh-env-config.sh
+
+ENTRYPOINT ["/sbin/tini", "-g", "--", "ssh-env-config.sh", "buildkite-agent"]