Build and push fluentd image on release; update chart to use that image (#462)

* build and push logger image during release
* Update chart to get the right fluentd image

hack/release.sh

@@ -111,6 +111,28 @@ push_builder_image() {
     docker push $tag
 }
 
+build_logger_image() {
+    version=$1
+    tag=fission/fluentd:$version
+
+    pushd $DIR/logger/fluentd
+
+    docker build -t $tag .
+
+    popd
+}
+
+push_logger_image() {
+    version=$1
+    tag=fission/fluentd:$version
+    docker push $tag
+}
+
+build_and_push_logger_image() {
+    build_logger_image $1
+    push_logger_image $1
+}
+
 build_and_push_env_image() {
     version=$1
     envdir=$2
@@ -191,6 +213,7 @@ build_all() {
     build_fission_bundle_image $version
     build_fetcher_image $version
     build_builder_image $version
+    build_logger_image $version
     build_all_cli
     build_charts $version
 }
@@ -199,6 +222,7 @@ push_all() {
     push_fission_bundle_image $version
     push_fetcher_image $version
     push_builder_image $version
+    push_logger_image $version
 }
 
 tag_and_release() {