create hooks for docker hub

build.sh → hooks/build

@@ -6,11 +6,9 @@ DOCKER_USERNAME="${DOCKERHUB_REGISTRY_USERNAME:-turgon37}"
 # image name
 DOCKER_IMAGE="${DOCKER_USERNAME}/${DOCKER_IMAGE:-smtp-relay}"
 # "production" branch
-MASTER_BRANCH=${MASTER_BRANCH:-master}
+PRODUCTION_BRANCH=${PRODUCTION_BRANCH:-master}
 
 ## Local settings
-build_tags_file="${PWD}/build.sh~tags"
-docker_tag_prefix=
 alpine_version=`cat Dockerfile | grep --perl-regexp --only-matching '(?<=FROM alpine:)[0-9.]+'`
 arch=`uname --machine`
 
@@ -21,9 +19,6 @@ set -x
 # If empty version, fetch the latest from repository
 if [ -z "$POSTFIX_VERSION" ]; then
   POSTFIX_VERSION=`curl -s "https://pkgs.alpinelinux.org/packages?name=postfix&branch=v${alpine_version}&repo=main&arch=${arch}" | grep --perl-regexp --only-matching '(?<=<td class="version">)[a-z0-9.-]+' | uniq`
-  if [ -z "$DOCKER_IMAGE_TAGS" ]; then
-    DOCKER_IMAGE_TAGS="${DOCKER_IMAGE_TAGS} latest"
-  fi
 fi
 echo "-> selected Postfix version ${POSTFIX_VERSION}"
 
@@ -34,42 +29,20 @@ fi
 echo "-> selected Rsyslog version ${RSYSLOG_VERSION}"
 
 # If empty version, fetch the latest from repository
-if [ -z "$VCS_REF" ]; then
+if [ -n "$SOURCE_COMMIT" ]; then
+  VCS_REF=$SOURCE_COMMIT
+else
   VCS_REF=`git rev-parse --short HEAD`
 fi
 echo "-> current vcs reference ${VCS_REF}"
 
-# Set the docker image tag prefix
-if [ "${VCS_BRANCH}" != "${MASTER_BRANCH}" ]; then
-  docker_tag_prefix="${VCS_BRANCH}-"
+# set the docker image version
+if [ -n "${SOURCE_BRANCH}" ]; then
+  DOCKER_IMAGE_VERSION="${SOURCE_BRANCH}"
+else
+  DOCKER_IMAGE_VERSION="`git rev-parse --abbrev-ref HEAD`"
 fi
-echo "-> working with tags prefix ${docker_tag_prefix}"
-
-echo "-> working with tags ${DOCKER_IMAGE_TAGS}"
+echo "-> use image version ${DOCKER_IMAGE_VERSION}"
 
 image_version=`cat VERSION`
 echo "-> building ${DOCKER_IMAGE} with image version: ${image_version}"
-
-## Build image
-docker build --build-arg VCS_REF="${VCS_REF}" \
-             --build-arg IMAGE_VERSION="$image_version" \
-             --build-arg POSTFIX_VERSION="$POSTFIX_VERSION" \
-             --build-arg RSYSLOG_VERSION="$RSYSLOG_VERSION" \
-             --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
-             --tag "${DOCKER_IMAGE}:${docker_tag_prefix}${POSTFIX_VERSION}" \
-             --file Dockerfile \
-             .
-
-## Image taaging
-echo "${DOCKER_IMAGE}:${docker_tag_prefix}${POSTFIX_VERSION}" > ${build_tags_file}
-
-# Tag images
-for tag in $DOCKER_IMAGE_TAGS; do
-  if [ -n "$tag" ]; then
-    docker tag "${DOCKER_IMAGE}:${docker_tag_prefix}${POSTFIX_VERSION}" "${DOCKER_IMAGE}:${docker_tag_prefix}${tag}"
-    echo "${DOCKER_IMAGE}:${docker_tag_prefix}${tag}" >> ${build_tags_file}
-  fi
-done
-
-echo "-> produced following image names"
-cat "${build_tags_file}"