Bump golang image (#16314)

* Fix images

* Add golangci-lint also

* Bump golang image

* Replace tag

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

build/Jenkinsfile.branch

@@ -9,7 +9,7 @@ def platformStages = new org.mattermost.PlatformStages()
 
 def rndEE = UUID.randomUUID().toString()
 def rndTE = UUID.randomUUID().toString()
-def mmBuilderServer = 'mattermost/mattermost-build-server:20200731_golang-1.14.6'
+def mmBuilderServer = 'mattermost/mattermost-build-server:20201119_golang-1.15.5'
 def mmBuilderWebapp = 'mattermost/mattermost-build-webapp:oct-2-2018'
 
 pipeline {

build/README.md

@@ -16,4 +16,4 @@ In our Docker Hub Repository we have the following images:
 - `mattermost/mattermost-build-server:feb-28-2019` which is based on Go 1.12 you can use for MM versions >= `5.9.0` <= `5.15.0`
 - `mattermost/mattermost-build-server:sep-17-2019` which is based on Go 1.12.9 you can use for MM versions >= `5.16.0`
 - `mattermost/mattermost-build-server:20200322_golang-1.14.1` which is based on Go 1.14.1 you can use for MM versions >= `5.24.0`
-- `mattermost/mattermost-build-server:20200731_golang-1.14.6` which is based on Go 1.14.6 you can use for MM versions >= `5.26.0`
+- `mattermost/mattermost-build-server:20201119_golang-1.15.5` which is based on Go 1.14.6 you can use for MM versions >= `5.26.0`

build/local-test-env.sh

@@ -32,7 +32,7 @@ up()
         -e GOPATH="/go" \
         -e MM_SQLSETTINGS_DATASOURCE="postgres://mmuser:mostest@postgres:5432/mattermost_test?sslmode=disable&connect_timeout=10" \
         -e MM_SQLSETTINGS_DRIVERNAME=postgres
-        mattermost/mattermost-build-server:20200731_golang-1.14.6 bash
+        mattermost/mattermost-build-server:20201119_golang-1.15.5 bash
 }
 
 down()