Adding alpine Docker image variant

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

2 files changed, 18 insertions, 1 deletions

diff --git a/hooks/build b/hooks/build
index a01a27ff..977090ae 100755
--- a/hooks/build
+++ b/hooks/build
@@ -29,3 +29,14 @@ docker build --build-arg BUILD_DATE \
              --build-arg VCS_REF \
              --target gomplate-slim \
              -t ${DOCKER_REPO}:${SLIM_TAG} .
+
+if [ "$DOCKER_TAG" == "latest" ]; then
+  export ALPINE_TAG="alpine"
+else
+  export ALPINE_TAG="${DOCKER_TAG}-alpine"
+fi
+echo "======== Building ${DOCKER_REPO}:${ALPINE_TAG}"
+docker build --build-arg BUILD_DATE \
+             --build-arg VCS_REF \
+             --target gomplate-alpine \
+             -t ${DOCKER_REPO}:${ALPINE_TAG} .
diff --git a/hooks/post_push b/hooks/post_push
index 2a0457b7..03e88cac 100755
--- a/hooks/post_push
+++ b/hooks/post_push
@@ -9,11 +9,15 @@ docker push ${DOCKER_REPO}:artifacts
 
 if [ "$DOCKER_TAG" == "latest" ]; then
   export SLIM_TAG="slim"
+  export ALPINE_TAG="alpine"
 else
   export SLIM_TAG="${DOCKER_TAG}-slim"
+  export ALPINE_TAG="${DOCKER_TAG}-alpine"
 fi
-# Need to push the slim image too
+
+# Need to push the other images too
 docker push $DOCKER_REPO:${SLIM_TAG}
+docker push $DOCKER_REPO:${ALPINE_TAG}
 
 # This magic figures out if we're currently on a tag (i.e. a release).
 # We only want to have special tags for releases.
@@ -21,6 +25,8 @@ if (git describe --abbrev=0 --exact-match &>/dev/null); then
   tag=$(git describe --abbrev=0 --exact-match)
   docker tag $IMAGE_NAME $DOCKER_REPO:$tag
   docker tag $DOCKER_REPO:${SLIM_TAG} $DOCKER_REPO:${tag}-slim
+  docker tag $DOCKER_REPO:${ALPINE_TAG} $DOCKER_REPO:${tag}-alpine
   docker push $DOCKER_REPO:$tag
   docker push $DOCKER_REPO:${tag}-slim
+  docker push $DOCKER_REPO:${tag}-alpine
 fi