chore: update Go build workflow and Makefile, improve CI

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Go
+name: Continuous Integration
 
 env:
   GO_VERSION: "1.23"
@@ -59,6 +59,14 @@ jobs:
           name: code-coverage
           path: coverage.txt
 
+      - name: check test coverage
+        uses: vladopajic/go-test-coverage@v2
+        with:
+          profile: coverage.txt
+          threshold-file: 0
+          threshold-package: 0
+          threshold-total: 30
+
   coverage:
     name: "Code coverage report"
     if: github.event_name == 'pull_request'

Makefile

@@ -8,5 +8,5 @@ lint:
 	golangci-lint run ./...
 
 test:
-	go test -race -coverprofile=coverage.txt ./...
+	go test -covermode=atomic -race -coverprofile=coverage.txt ./...
 

README.md

@@ -1 +1,12 @@
-# go-ci
+# Golang CI/CD with Github Actions
+
+[![coverage](https://raw.githubusercontent.com/edmarfelipe/go-ci/badges/.badges/main/coverage.svg)](/.github/.testcoverage.yml)
+
+This repository is a simple example of how to use Github Actions to build and test a Golang application.
+
+## Features
+
+- Build with Cache to speed up the process
+- Run tests with coverage
+- Push code coverage to PR comments
+- Push linting errors to PR code review