Add CI configuration

.gitlab-ci.yml

@@ -0,0 +1,60 @@
+image: golang:latest
+
+stages:
+  - test
+  - build
+  - release
+
+variables:
+  GOPATH: "${CI_PROJECT_DIR}/.gocache"
+  GOLANGCI_LINT_CACHE: "${GOPATH}/golangci-lint_cache"
+  GOCACHE: "${GOPATH}/go-build"
+
+.cache: &depscache
+  key: $CI_COMMIT_REF_SLUG
+  paths:
+    - $CI_PROJECT_DIR/.gocache
+
+lint:
+  stage: test
+  image: golangci/golangci-lint:latest
+  script:
+  - golangci-lint cache status
+  - golangci-lint run --timeout 5m --out-format junit-xml > lint.junit.xml
+  cache:
+    <<: *depscache
+    policy: pull-push
+  artifacts:
+    reports:
+      junit: lint.junit.xml
+
+tests:
+  stage: test
+  script:
+    - go install gotest.tools/gotestsum@latest
+    - gotestsum --junitfile tests.junit.xml -- -coverprofile=coverage.txt -covermode atomic -race ./...
+  after_script:
+    - export PATH="$PATH:$GOPATH/bin"
+    - go install github.com/boumenot/gocover-cobertura@latest
+    - gocover-cobertura < coverage.txt > coverage.xml
+    - go tool cover -func=coverage.txt | grep "total:"
+  coverage: '/total:\s+\(statements\)\s+(\d+.\d+\%)/'
+  cache:
+    <<: *depscache
+    policy: pull-push
+  artifacts:
+    reports:
+      cobertura: coverage.xml
+      junit: tests.junit.xml
+
+release:
+  stage: release
+  image: registry.gitlab.com/gitlab-org/release-cli:latest
+  rules:
+    - if: $CI_COMMIT_TAG
+  script:
+    - |
+      release-cli create \
+        --name "${CI_COMMIT_TAG}" \
+        --tag-name "${CI_COMMIT_TAG}" \
+        --milestone "${CI_COMMIT_TAG}"