Update MASTER

.dockerignore

@@ -0,0 +1,10 @@
+*.yml
+*.md
+*.Dockerfile
+Makefile
+.all-contributorsrc
+.env.example
+infra/kubernetes
+infra/terraform
+.github/
+scripts/

.env.example

@@ -0,0 +1,4 @@
+SENTRY_DSN=**
+SENTRY_TRACES_SAMPLE_RATE=1
+SENTRY_ENVIRONMENT=develop
+SENTRY_RELEASE=**

Makefile

@@ -1,7 +1,7 @@
 all: lint test imports build start
 
 start:
-	./bin/AppName
+	./bin/app_name
 
 dev: path
 	gowatch
@@ -29,10 +29,10 @@ clear:
 
 ## https://github.com/golang-standards/project-layout/issues/113#issuecomment-1336514449
 build: clear fmt
-	GOARCH=amd64 go build -o ./bin/AppName ./src/main.go
+	GOARCH=amd64 go build -o ./bin/app_name ./src/main.go
 
 build-arm: clear fmt
-	GOARCH=arm64 go build -o ./bin/AppName ./src/main.go
+	GOARCH=arm64 go build -o ./bin/app_name ./src/main.go
 
 test:
 	go test -v ./tests
@@ -56,7 +56,7 @@ pods:
 	kubectl get pods -A
 
 compose-up:
-	docker compose -f ./infra/docker/docker-compose.yml up -d --build
+	docker compose -f ./compose.yaml up -d --build
 
 compose-down:
-	docker compose -f ./infra/docker/docker-compose.yml down
+	docker compose -f ./compose.yaml down

app.Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:1.23-alpine AS base
+WORKDIR /build
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN GOARCH=amd64 go build -o ./app_name ./src/main.go
+
+FROM alpine:latest AS runner
+
+RUN addgroup -S app_user && adduser -S app_user -G app_user
+
+WORKDIR /app
+COPY --from=base /build/app_name .
+USER app_user:app_user
+ENTRYPOINT ["./app_name"]

infra/docker/compose.yaml → compose.yaml

@@ -2,9 +2,8 @@ services:
   app_name:
     user: 1000:1000
     build:
-      context: ../../
+      context: .
       dockerfile: app.Dockerfile
-      network: host
     restart: always
     security_opt:
       - no-new-privileges

go.mod

@@ -1,3 +1,10 @@
 module jd-golang
 
 go 1.23.0
+
+require (
+	github.com/getsentry/sentry-go v0.31.1 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+)

go.sum

@@ -0,0 +1,8 @@
+github.com/getsentry/sentry-go v0.31.1 h1:ELVc0h7gwyhnXHDouXkhqTFSO5oslsRDk0++eyE0KJ4=
+github.com/getsentry/sentry-go v0.31.1/go.mod h1:CYNcMMz73YigoHljQRG+qPF+eMq8gG72XcGN/p71BAY=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=

gowatch.yml

@@ -0,0 +1,54 @@
+
+# gowatch.yml configuration example
+
+# The name of the executable file generated under the current directory execution. The default is the current directory name.
+appname: "app_name"
+
+# Specify the command to run after builds done
+# run_cmd: "./run.sh"
+
+# Specify the directory where the compiled object files are stored
+output: bin/app_name
+
+# The file name suffix that needs to be monitored. By default, there is only a '.go' file.
+watch_exts:
+   - .go
+
+# The directory that needs to listen for file changes. By default, only the current directory.
+watch_paths:
+   - ./src
+
+# Additional parameters that need to be added when running the application
+cmd_args:
+   - GOARCH=amd64
+
+# Additional parameters that need to be added when building the application
+build_args:
+  - ./src/main.go
+
+# Need to increase environment variables, the current environment variables are loaded by default
+# envs:
+#   - env1=val1
+
+# Whether to listen to file changes in the 'vendor' folder
+vendor_watch: false
+
+# Directory that do not need to listen for file changes
+# excluded_paths:
+#   - path
+
+# main package path, can also be a single file, multiple files separated by commas
+build_pkg: ""
+
+# build tags
+build_tags: ""
+
+# Commands that can be executed before build the app
+# prev_build_cmds:
+#   - swag init
+
+# Whether to prohibit automatic operation
+disable_run: false
+
+# log level, support debug, info, warn, error, fatal
+log_level: "debug"

src/config/environment.go

@@ -0,0 +1,36 @@
+package config
+
+import (
+	"os"
+	"strconv"
+	"strings"
+)
+
+type SentryConfig struct {
+	Dsn              string
+	TracesSampleRate float64
+	Release          string
+	Environment      string
+}
+
+type Config struct {
+	Sentry SentryConfig
+}
+
+// GetConfig retrieves the configuration for the application from environment variables.
+// It returns a Config struct containing Sentry configuration details such as DSN, release,
+// environment, and traces sample rate. If the environment variable for the traces sample
+// rate is not set or invalid, it defaults to zero.
+func GetConfig() Config {
+
+	parsedFloat, _ := strconv.ParseFloat(strings.TrimSpace(os.Getenv("SENTRY_TRACES_SAMPLE_RATE")), 64)
+
+	return Config{
+		Sentry: SentryConfig{
+			TracesSampleRate: parsedFloat,
+			Dsn:              os.Getenv("SENTRY_DSN"),
+			Release:          os.Getenv("SENTRY_RELEASE"),
+			Environment:      os.Getenv("SENTRY_ENVIRONMENT"),
+		},
+	}
+}

src/main.go

@@ -1,7 +1,32 @@
 package main
 
+import (
+	"log"
+
+	"jd-golang/src/config"
+
+	"github.com/getsentry/sentry-go"
+)
+
 func main() {
-	println("Hello, world!")
-	println("This is a template for my golang projects")
-	println("I hope you find it useful")
+
+	config := config.GetConfig()
+
+	if config.Sentry.Environment == "develop" {
+		config.Sentry.Release = "unreleased"
+	}
+
+	err := sentry.Init(sentry.ClientOptions{
+		Dsn:              config.Sentry.Dsn,
+		TracesSampleRate: config.Sentry.TracesSampleRate,
+		Release:          config.Sentry.Release,
+		Environment:      config.Sentry.Environment,
+	})
+
+	if err != nil {
+		log.Fatalf("sentry.Init: %s", err)
+	}
+
+	log.Println("Hello, world!")
+	sentry.CaptureMessage("Integration is working!!")
 }

tests/config_mock.go

@@ -0,0 +1,53 @@
+package tests
+
+import "jd-golang/src/config"
+
+var config_mock = []struct {
+	name           string
+	envVars        map[string]string
+	expectedConfig config.Config
+}{
+	{
+		name: "default values",
+		envVars: map[string]string{
+			"SENTRY_TRACES_SAMPLE_RATE": "0.5",
+			"SENTRY_DSN":                "https://[email protected]/0",
+			"SENTRY_RELEASE":            "1.0.0",
+			"SENTRY_ENVIRONMENT":        "production",
+		},
+		expectedConfig: config.Config{
+			Sentry: config.SentryConfig{
+				TracesSampleRate: 0.5,
+				Dsn:              "https://[email protected]/0",
+				Release:          "1.0.0",
+				Environment:      "production",
+			},
+		},
+	},
+	{
+		name:    "empty env vars",
+		envVars: map[string]string{},
+		expectedConfig: config.Config{
+			Sentry: config.SentryConfig{
+				TracesSampleRate: 0,
+				Dsn:              "",
+				Release:          "",
+				Environment:      "",
+			},
+		},
+	},
+	{
+		name: "invalid TracesSampleRate",
+		envVars: map[string]string{
+			"SENTRY_TRACES_SAMPLE_RATE": "abc",
+		},
+		expectedConfig: config.Config{
+			Sentry: config.SentryConfig{
+				TracesSampleRate: 0,
+				Dsn:              "",
+				Release:          "",
+				Environment:      "",
+			},
+		},
+	},
+}

tests/main_test.go

@@ -1,11 +1,30 @@
 package tests
 
 import (
+	"jd-golang/src/config"
+	"os"
+	"reflect"
 	"testing"
 )
 
-func TestMain(t *testing.T) {
-	t.Log("Hello, world!")
-	t.Log("This is a template for my golang projects")
-	t.Log("I hope you find it useful")
+func TestGetConfig(t *testing.T) {
+	for _, tt := range config_mock {
+		t.Run(tt.name, func(t *testing.T) {
+			for key, value := range tt.envVars {
+				os.Setenv(key, value)
+			}
+
+			defer func() {
+				for key := range tt.envVars {
+					os.Unsetenv(key)
+				}
+			}()
+
+			config := config.GetConfig()
+
+			if !reflect.DeepEqual(config, tt.expectedConfig) {
+				t.Errorf("GetConfig() = %+v, want %+v", config, tt.expectedConfig)
+			}
+		})
+	}
 }