[VOL-2876]

Update grpc-gateway to a version with improved generation of swagger docs
Bump the golang and alpine image patch versions

Change-Id: Id8c772dd782b29586615d585a4cf6c756da0098c
diff --git a/Makefile b/Makefile
index e639bf9..412df42 100644
--- a/Makefile
+++ b/Makefile
@@ -19,13 +19,13 @@
 VERSION                         ?= $(shell cat ./VERSION)
 GO_JUNIT_REPORT_VERSION         ?= "0.9.1"
 GOCOVER_COBERTURA_VERSION       ?= "v0.0.0-20180217150009-aaee18c8195c"
-GOLANG_VERSION                  ?= "1.13.8"
+GOLANG_VERSION                  ?= "1.13.9"
 GOLANGCI_LINT_VERSION           ?= "1.23.6"
 HADOLINT_VERSION                ?= "1.17.5"
 PROTOC_VERSION                  ?= "3.7.0"
 PROTOC_SHA256SUM                ?= "a1b8ed22d6dc53c5b8680a6f1760a305b33ef471bece482e92728f00ba2a2969"
 PROTOC_GEN_GO_VERSION           ?= "1.3.2"
-PROTOC_GEN_GRPC_GATEWAY_VERSION ?= "1.12.2"
+PROTOC_GEN_GRPC_GATEWAY_VERSION ?= "1.14.3"
 
 # Docker related
 DOCKER_LABEL_VCS_DIRTY     = false
diff --git a/VERSION b/VERSION
index 7ec1d6d..ccbccc3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.0
+2.2.0
diff --git a/docker/go-junit-report.Dockerfile b/docker/go-junit-report.Dockerfile
index 59aff65..7104498 100644
--- a/docker/go-junit-report.Dockerfile
+++ b/docker/go-junit-report.Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.13.8-alpine as build
+FROM golang:1.13.9-alpine as build
 
 RUN apk add --no-cache build-base=0.5-r1
 
diff --git a/docker/gocover-cobertura.Dockerfile b/docker/gocover-cobertura.Dockerfile
index 1ceaaa1..f0ced49 100644
--- a/docker/gocover-cobertura.Dockerfile
+++ b/docker/gocover-cobertura.Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.13.8-alpine as build
+FROM golang:1.13.9-alpine as build
 
 RUN apk add --no-cache build-base=0.5-r1
 
diff --git a/docker/protoc.Dockerfile b/docker/protoc.Dockerfile
index 4edf72c..a4ba885 100644
--- a/docker/protoc.Dockerfile
+++ b/docker/protoc.Dockerfile
@@ -12,14 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.13.8-alpine as build
+FROM golang:1.13.9-alpine as build
 
 ARG PROTOC_VERSION
 ARG PROTOC_SHA256SUM
 ARG PROTOC_GEN_GO_VERSION
 ARG PROTOC_GEN_GRPC_GATEWAY_VERSION
 
-RUN apk add --no-cache libatomic=9.2.0-r3 musl=1.1.24-r0
+RUN apk add --no-cache libatomic=9.2.0-r4 musl=1.1.24-r2
 
 # download & compile this specific version of protoc-gen-go
 RUN GO111MODULE=on CGO_ENABLED=0 go get -u \