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.git | ||
.DS_Store |
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# Build stage | ||
# 최신 버전으로 수정 ****** | ||
FROM golang:1.23.1 AS deploy-builder | ||
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WORKDIR /app | ||
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# go.mod, go.sum 파일 복사 및 의존성 다운로드 | ||
COPY go.mod go.sum ./ | ||
RUN go mod download | ||
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COPY . . | ||
# 바이너리 빌드 | ||
RUN go build -trimpath -ldflags "-w -s" -o app | ||
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#-------------------------------- | ||
# Deployment stage | ||
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FROM debian:bullseye-slim as deploy | ||
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RUN apt-get update | ||
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# 빌드된 바이너리를 복사 | ||
COPY --from=deploy-builder /app/app . | ||
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# 실행 명령 | ||
CMD ["./app"] | ||
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#-------------------------------- | ||
# Development stage with Air for live reloading | ||
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# ******** 최신 버전으로 수정 *********** | ||
FROM golang:1.23.1 as dev | ||
WORKDIR /app | ||
RUN go install github.com/air-verse/air@latest | ||
CMD ["air"] |
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.PHONY: help build build-local up down logs ps test | ||
.DEFAULT_GOAL := help | ||
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DOCKER_TAG := latest | ||
build: ## 배포용 도커 이미지 빌드 + 내 모듈 이름에 맞게 수정 ********** | ||
docker build -t myeunee/golangstudy-chapter16-section61:${DOCKER_TAG} --target deploy ./ | ||
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build-local: ## 로컬 환경용 도커 이미지 빌드 | ||
docker compose build --no-cache | ||
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up: ## 자동 새로고침을 사용한 도커 컴포즈 실행 | ||
docker compose up -d | ||
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down: ## 도커 컴포즈 종료 | ||
docker compose down | ||
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logs: ## 도커 컴포즈 로그 출력 | ||
docker compose logs -f | ||
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ps: ## 컨테이너 상태 확인 | ||
docker compose ps | ||
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test: ## 테스트 실행 | ||
go test -race -shuffle=on ./... | ||
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help: ## 옵션 보기 | ||
@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \ | ||
awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' |
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root = "." | ||
tmp_dir = "tmp" | ||
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[build] | ||
cmd = "go build -o ./tmp/main ." | ||
# 'cmd'에서 바이너리 파일 지정 | ||
bin = "tmp/main" | ||
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# 80번 포트를 사용하도록 실행 시 인수를 지정 | ||
full_bin = "APP_ENV=dev APP_USER=air ./tmp/main 80" | ||
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include_ext = ["go", "tpl", "tmpl", "html"] | ||
exclude_dir = ["assets", "tmp", "vendor"] | ||
exclude_regex = ["_test.go"] | ||
exclude_unchanged = true | ||
follow_symlink = true | ||
log = "air.log" | ||
delay = 1000 | ||
stop_on_error = true | ||
send_interrupt = false | ||
kill_delay = 500 | ||
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[log] | ||
time = false | ||
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[color] | ||
main = "magenta" | ||
watcher = "cyan" | ||
build = "yellow" | ||
runner = "green" | ||
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[misc] | ||
clean_on_exit = true |
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package config | ||
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import ( | ||
"github.com/caarlos0/env/v6" | ||
) | ||
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type Config struct { | ||
Env string `env:"TODO_ENV" envDefault:"dev"` | ||
Port int `env:"PORT" envDefault:"80"` | ||
} | ||
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func New() (*Config, error) { | ||
cfg := &Config{} | ||
if err := env.Parse(cfg); err != nil { | ||
return nil, err | ||
} | ||
return cfg, nil | ||
} |
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package config | ||
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import ( | ||
"fmt" | ||
"testing" | ||
) | ||
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func TestNew(t *testing.T) { | ||
wantPort := 3333 | ||
t.Setenv("PORT", fmt.Sprint(wantPort)) | ||
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got, err := New() | ||
if err != nil { | ||
t.Fatalf("cannot create config: %v", err) | ||
} | ||
if got.Port != wantPort { | ||
t.Errorf("want %d, but %d", wantPort, got.Port) | ||
} | ||
wantEnv := "dev" | ||
if got.Env != wantEnv { | ||
t.Errorf("want %s, but %s", wantEnv, got.Env) | ||
} | ||
} |
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version: "3.9" | ||
services: | ||
app: | ||
image: gotodo | ||
build: | ||
args: | ||
- target=dev | ||
environment: | ||
TODO_ENV: dev | ||
PORT: 8080 | ||
volumes: | ||
- .:/app | ||
ports: | ||
- "18000:8080" |
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module github.com/myeunee/GolangStudy/chapter16/section61 | ||
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go 1.23.1 | ||
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require ( | ||
github.com/caarlos0/env/v6 v6.10.1 | ||
golang.org/x/sync v0.8.0 | ||
) |
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github.com/caarlos0/env/v6 v6.10.1 h1:t1mPSxNpei6M5yAeu1qtRdPAK29Nbcf/n3G7x+b3/II= | ||
github.com/caarlos0/env/v6 v6.10.1/go.mod h1:hvp/ryKXKipEkcuYjs9mI4bBCg+UI0Yhgm5Zu0ddvwc= | ||
golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ= | ||
golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= |
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package main | ||
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import ( | ||
"context" | ||
"fmt" | ||
"log" | ||
"net" | ||
"net/http" | ||
"os" | ||
"os/signal" | ||
"syscall" | ||
"time" | ||
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"github.com/myeunee/GolangStudy/chapter16/section61/config" | ||
"golang.org/x/sync/errgroup" | ||
) | ||
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// run 함수만 호출하도록 | ||
func main() { | ||
if err := run(context.Background()); err != nil { | ||
log.Printf("failed to terminated server: %v", err) | ||
os.Exit(1) | ||
} | ||
} | ||
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func run(ctx context.Context) error { | ||
ctx, stop := signal.NotifyContext(ctx, os.Interrupt, syscall.SIGTERM) | ||
defer stop() | ||
cfg, err := config.New() | ||
if err != nil { | ||
return err | ||
} | ||
l, err := net.Listen("tcp", fmt.Sprintf(":%d", cfg.Port)) | ||
if err != nil { | ||
log.Fatalf("failed to listen port %d: %v", cfg.Port, err) | ||
} | ||
url := fmt.Sprintf("http://%s", l.Addr().String()) | ||
log.Printf("start with: %v", url) | ||
s := &http.Server{ | ||
// 인수로 받은 net.Listener를 이용 -> Addr 필드 지정 X | ||
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
// 명령줄에서 테스트하기 위한 로직 | ||
time.Sleep(5 * time.Second) | ||
fmt.Fprintf(w, "Hello, %s!", r.URL.Path[1:]) | ||
}), | ||
} | ||
eg, ctx := errgroup.WithContext(ctx) | ||
// 다른 고루틴에서 http 서버 실행 | ||
eg.Go(func() error { | ||
// ListenAndServe 가 아니라 Serve 메서드로 변경 | ||
if err := s.Serve(l); err != nil && | ||
// http.ErrServerClosed는 | ||
// http.Server.Shutdown()가 정상 종료되었다고 표시하므로 문제 X。 | ||
err != http.ErrServerClosed { | ||
log.Printf("failed to close: %+v", err) | ||
return err | ||
} | ||
return nil | ||
}) | ||
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// 채널로부터 알림(종료 알림)을 기다림 | ||
<-ctx.Done() | ||
if err := s.Shutdown(context.Background()); err != nil { | ||
log.Printf("failed to shutdown: %+v", err) | ||
} | ||
// Go메서드로 실행한 다른 고루틴의 종료를 기다림 | ||
return eg.Wait() | ||
} |
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package main | ||
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import ( | ||
"context" | ||
"fmt" | ||
"io" | ||
"net" | ||
"net/http" | ||
"testing" | ||
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"golang.org/x/sync/errgroup" | ||
) | ||
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func TestRun(t *testing.T) { | ||
t.Skip("리팩토링 중") | ||
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l, err := net.Listen("tcp", "localhost:0") | ||
if err != nil { | ||
t.Fatalf("failed to listen port %v", err) | ||
} | ||
ctx, cancel := context.WithCancel(context.Background()) | ||
eg, ctx := errgroup.WithContext(ctx) | ||
eg.Go(func() error { | ||
return run(ctx) | ||
}) | ||
in := "message" | ||
url := fmt.Sprintf("http://%s/%s", l.Addr().String(), in) | ||
// // 어떤 포트로 리슨하고 있는지 확인 | ||
t.Logf("try request to %q", url) | ||
rsp, err := http.Get(url) | ||
if err != nil { | ||
t.Errorf("failed to get: %+v", err) | ||
} | ||
defer rsp.Body.Close() | ||
got, err := io.ReadAll(rsp.Body) | ||
if err != nil { | ||
t.Fatalf("failed to read body: %v", err) | ||
} | ||
// http 서버의 반환값을 검증 | ||
want := fmt.Sprintf("Hello, %s!", in) | ||
if string(got) != want { | ||
t.Errorf("want %q, but got %q", want, got) | ||
} | ||
// run함수에 종료 알림을 전송 | ||
cancel() | ||
// run함수의 반환값을 검증 | ||
if err := eg.Wait(); err != nil { | ||
t.Fatal(err) | ||
} | ||
} |