Add golangci-lint v1.37.0 (#3)

Reviewed-on: https://gitea.com/gitea/test-env/pulls/3
Reviewed-by: 6543 <6543@obermui.de>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: a1012112796 <1012112796@qq.com>
Co-committed-by: a1012112796 <1012112796@qq.com>

Dockerfile

@@ -10,4 +10,7 @@ RUN curl -SL https://github.com/git/git/archive/v2.30.1.tar.gz \
     && rm -rf /go/git-2.30.1 \
 # install git-lfs
     && curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash \
-    && apt-get install -y git-lfs
+    && apt-get install -y git-lfs \
+# install golangci-lint
+    export BINARY="golangci-lint"; \
+    curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.37.0

README.md

@@ -5,3 +5,4 @@ a docker imamge for gitea ci test
 - From golang:1.15
 - upgrade git to v2.30.1
 - install git-lfs
+- install [golangci-lint](https://github.com/golangci/golangci-lint) v1.37.0