initial gitlab CI!

.gitlab-ci.yml

+image: golang:latest
+
+variables:
+  # this must be the same value as the first line of go.mod
+  REPO_NAME: nogweii.net/go/my-certificate-alert
+
+# The problem is that to be able to use go get, one needs to put
+# the repository in the $GOPATH. Making a symbolic link to the
+# go module name (from go.mod) allows this.
+before_script:
+  - mkdir -p $GOPATH/src/$(dirname $REPO_NAME)
+  - ln -svf $CI_PROJECT_DIR $GOPATH/src/$REPO_NAME
+  - cd $GOPATH/src/$REPO_NAME
+
+stages:
+  - test
+  - build
+  - deploy
+
+format:
+  stage: test
+  script:
+    - go fmt src/
+    - go vet src/
+    #- go test -race src/ # TODO: get unit tests
+
+lint:
+  image: golangci/golangci-lint:v1.42.0
+  stage: test
+  script:
+    - apt update -q
+    - apt install -q -y jq
+    - golangci-lint run --issues-exit-code 0 --out-format code-climate | tee gl-code-quality-report.json | jq -r '.[] | "\(.location.path):\(.location.lines.begin) \(.description)"'
+  artifacts:
+    reports:
+      codequality: gl-code-quality-report.json
+    paths:
+      - gl-code-quality-report.json
+
+compile:
+  stage: build
+  script:
+    - go build -race -o $CI_PROJECT_DIR/my-certificate-alert
+  artifacts:
+    paths:
+      - my-certificate-alert
+
+manpage:
+  image:
+    name: pandoc/core:2.14.1
+    entrypoint: ["/bin/sh", "-c"]
+  stage: build
+  before_script: []
+  script:
+    - pandoc --standalone --to man $CI_PROJECT_DIR/my-certificate-alert.1.md -o $CI_PROJECT_DIR/my-certificate-alert.1
+  artifacts:
+    paths:
+      - my-certificate-alert.1