From 0bd192feec4271e260c589c04f9fdb257345f93a Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Fri, 9 Mar 2018 14:01:09 +0100
Subject: [PATCH] feat: official Dockerfile (#1619)

Adds a Dockerfile for building with Docker Hub
---
 docker/Dockerfile      | 16 ++++++++++++++++
 docker/hooks/post_push | 20 ++++++++++++++++++++
 docker/hooks/readme.md |  5 +++++
 3 files changed, 41 insertions(+)
 create mode 100644 docker/Dockerfile
 create mode 100644 docker/hooks/post_push
 create mode 100644 docker/hooks/readme.md

diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000000..c3791795d4
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,16 @@
+FROM node:8.10.0-alpine
+
+LABEL maintainer="Rhys Arkins <rhys@arkins.net>"
+LABEL name="renovate"
+
+WORKDIR /src
+
+COPY package.json .
+COPY yarn.lock .
+RUN yarn install --production && yarn cache clean
+COPY lib ./lib
+RUN chown -R node:node /src
+USER node
+
+ENTRYPOINT ["node", "/src/lib/renovate.js"]
+CMD ["--help"]
diff --git a/docker/hooks/post_push b/docker/hooks/post_push
new file mode 100644
index 0000000000..22b6fe195f
--- /dev/null
+++ b/docker/hooks/post_push
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+SEMVER_REGEX="^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$"
+
+if ! [[ "$CACHE_TAG" =~ $SEMVER_REGEX ]]; then
+  echo Not a semver tag - skipping
+  exit
+fi
+
+major=${BASH_REMATCH[1]}
+minor=${BASH_REMATCH[2]}
+
+# Tag and push image for each additional tag
+for tag in {"$major","${major}.${minor}"}; do
+  echo "Tagging ${DOCKER_REPO}:${tag}"
+  docker tag $IMAGE_NAME ${DOCKER_REPO}:${tag}
+  docker push ${DOCKER_REPO}:${tag}
+done
diff --git a/docker/hooks/readme.md b/docker/hooks/readme.md
new file mode 100644
index 0000000000..2454928072
--- /dev/null
+++ b/docker/hooks/readme.md
@@ -0,0 +1,5 @@
+# Docker Hub hooks
+
+This directory is required in order to provide a post-push hook to Docker Hub Autobuild.
+
+See https://docs.docker.com/docker-cloud/builds/advanced/#custom-build-phase-hooks for details.