Use docker image of linter in linting step

Author: Marton6

.circleci/config.yml

@@ -2,10 +2,10 @@ version: 2
 jobs:
   lint:
     docker:
-      - image: circleci/golang:1.13
+      - image: golangci/golangci-lint:v1.23.8-alpine
     steps:
       - checkout
-      - run: make lint-ci
+      - run: make lint
   test:
     docker:
       - image: circleci/golang:1.13

Makefile

@@ -19,12 +19,6 @@ GOLANGCI_VERSION=v1.23.8
 lint-tools:
 	@curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_VERSION}
 
-lint-ci:
-	@echo "==> Installing linter"
-	@wget -O - -q https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s ${GOLANGCI_VERSION}
-	@echo "==> Linting"
-	@./bin/golangci-lint run ./...
-
 COMMIT=`git rev-parse --short HEAD`
 VERSION=`git describe --always`
 BUILD_FLAGS=-ldflags "-s -w -X "github.com/secrethub/secrethub-cli/internals/secrethub.Commit=${COMMIT}" -X "github.com/secrethub/secrethub-cli/internals/secrethub.Version=${VERSION}"" -tags=production