Update to go 1.13

.semaphoreci/setup.sh

@@ -18,10 +18,9 @@ echo ${SHOULD_TEST}
 #if [ -n "$SHOULD_TEST" ]; then sudo -E apt-get -yq update; fi
 #if [ -n "$SHOULD_TEST" ]; then sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install docker-ce=${DOCKER_VERSION}*; fi
 if [ -n "$SHOULD_TEST" ]; then docker version; fi
-
-export GO_VERSION=1.12
+export GO_VERSION=1.13
 if [ -f "./go.mod" ]; then GO_VERSION="$(grep '^go .*' go.mod | awk '{print $2}')"; export GO_VERSION; fi
-if [ "${GO_VERSION}" == '1.13' ]; then export GO_VERSION=1.13rc2; fi
+#if [ "${GO_VERSION}" == '1.13' ]; then export GO_VERSION=1.13rc2; fi
 echo "Selected Go version: ${GO_VERSION}"
 
 if [ -f "./.semaphoreci/golang.sh" ]; then ./.semaphoreci/golang.sh; fi
@@ -34,5 +33,3 @@ if [ -f "./go.mod" ]; then export GOPROXY=https://proxy.golang.org; fi
 if [ -f "./go.mod" ]; then go mod download; fi
 
 df
-
-

build.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13rc2-alpine
+FROM golang:1.13-alpine
 
 RUN apk --update upgrade \
     && apk --no-cache --no-progress add git mercurial bash gcc musl-dev curl tar ca-certificates tzdata \

docs/content/contributing/building-testing.md

@@ -28,7 +28,7 @@ Successfully tagged traefik-webui:latest
 [...]
 docker build  -t "traefik-dev:4475--feature-documentation" -f build.Dockerfile .
 Sending build context to Docker daemon    279MB
-Step 1/10 : FROM golang:1.13rc2-alpine
+Step 1/10 : FROM golang:1.13-alpine
  ---> f4bfb3d22bda
 [...]
 Successfully built 5c3c1a911277

exp.Dockerfile

@@ -12,7 +12,7 @@ RUN yarn install
 RUN npm run build
 
 # BUILD
-FROM golang:1.13rc2-alpine as gobuild
+FROM golang:1.13-alpine as gobuild
 
 RUN apk --update upgrade \
     && apk --no-cache --no-progress add git mercurial bash gcc musl-dev curl tar ca-certificates tzdata \