chore(deps): update docker/setup-buildx-action action to v4

Reviewed-on: #33

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26.2-alpine AS go_builder
+FROM golang:1.26.4-alpine AS go_builder
 
 ARG VERSION=dev
 ARG BUILD_DATE=unknown

go.mod

@@ -4,11 +4,11 @@ go 1.26.0
 
 require (
 	git.fossy.my.id/bagas/tunnel-please-grpc v1.5.0
-	github.com/jackc/pgx/v5 v5.9.2
+	github.com/jackc/pgx/v5 v5.10.0
 	github.com/joho/godotenv v1.5.1
-	github.com/lestrrat-go/httprc/v3 v3.0.5
-	github.com/lestrrat-go/jwx/v3 v3.1.0
-	google.golang.org/grpc v1.80.0
+	github.com/lestrrat-go/httprc/v3 v3.0.6
+	github.com/lestrrat-go/jwx/v3 v3.1.1
+	google.golang.org/grpc v1.81.1
 )
 
 require (
@@ -27,6 +27,6 @@ require (
 	golang.org/x/net v0.52.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect
 	golang.org/x/text v0.36.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 )

go.sum

@@ -37,6 +37,8 @@ github.com/jackc/pgx/v5 v5.9.1 h1:uwrxJXBnx76nyISkhr33kQLlUqjv7et7b9FjCen/tdc=
 github.com/jackc/pgx/v5 v5.9.1/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
 github.com/jackc/pgx/v5 v5.9.2 h1:3ZhOzMWnR4yJ+RW1XImIPsD1aNSz4T4fyP7zlQb56hw=
 github.com/jackc/pgx/v5 v5.9.2/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
+github.com/jackc/pgx/v5 v5.10.0 h1:VhSvgU2jSli8o3AqIEOTJr7rZwAEUVo4E4XhR94Zfr0=
+github.com/jackc/pgx/v5 v5.10.0/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
 github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
@@ -57,12 +59,16 @@ github.com/lestrrat-go/httprc/v3 v3.0.4 h1:pXyH2ppK8GYYggygxJ3TvxpCZnbEUWc9qSwRT
 github.com/lestrrat-go/httprc/v3 v3.0.4/go.mod h1:mSMtkZW92Z98M5YoNNztbRGxbXHql7tSitCvaxvo9l0=
 github.com/lestrrat-go/httprc/v3 v3.0.5 h1:S+Mb4L2I+bM6JGTibLmxExhyTOqnXjqx+zi9MoXw/TM=
 github.com/lestrrat-go/httprc/v3 v3.0.5/go.mod h1:mSMtkZW92Z98M5YoNNztbRGxbXHql7tSitCvaxvo9l0=
+github.com/lestrrat-go/httprc/v3 v3.0.6 h1:4FpLQ18KK/ypPbVU3NLWJNRvH3kcYiqKqWfKGqNWxxI=
+github.com/lestrrat-go/httprc/v3 v3.0.6/go.mod h1:mSMtkZW92Z98M5YoNNztbRGxbXHql7tSitCvaxvo9l0=
 github.com/lestrrat-go/jwx/v3 v3.0.12 h1:p25r68Y4KrbBdYjIsQweYxq794CtGCzcrc5dGzJIRjg=
 github.com/lestrrat-go/jwx/v3 v3.0.12/go.mod h1:HiUSaNmMLXgZ08OmGBaPVvoZQgJVOQphSrGr5zMamS8=
 github.com/lestrrat-go/jwx/v3 v3.0.13 h1:AdHKiPIYeCSnOJtvdpipPg/0SuFh9rdkN+HF3O0VdSk=
 github.com/lestrrat-go/jwx/v3 v3.0.13/go.mod h1:2m0PV1A9tM4b/jVLMx8rh6rBl7F6WGb3EG2hufN9OQU=
 github.com/lestrrat-go/jwx/v3 v3.1.0 h1:AyyLtxc0QM75F75JroWgt1phwC7X+wOb3XKhH7XBZWw=
 github.com/lestrrat-go/jwx/v3 v3.1.0/go.mod h1:uw/MN2M/Xiu4FhwcIwH11Zsh9JWx9SWzgALl7/uIEkU=
+github.com/lestrrat-go/jwx/v3 v3.1.1 h1:yd9AdPmZ4INnQ7k42IrzXYpnEG803+SrQ6hdMvzHJzw=
+github.com/lestrrat-go/jwx/v3 v3.1.1/go.mod h1:uw/MN2M/Xiu4FhwcIwH11Zsh9JWx9SWzgALl7/uIEkU=
 github.com/lestrrat-go/option/v2 v2.0.0 h1:XxrcaJESE1fokHy3FpaQ/cXW8ZsIdWcdFzzLOcID3Ss=
 github.com/lestrrat-go/option/v2 v2.0.0/go.mod h1:oSySsmzMoR0iRzCDCaUfsCzxQHUEuhOViQObyy7S6Vg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -123,6 +129,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 h1:sNrWoksmOyF5bvJUcnmbeAmQi8baNhqg5IWaI3llQqU=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 h1:ggcbiqK8WWh6l1dnltU4BgWGIGo+EVYxCaAPih/zQXQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
 google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
 google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
 google.golang.org/grpc v1.79.0 h1:6/+EFlxsMyoSbHbBoEDx94n/Ycx/bi0IhJ5Qh7b7LaA=
@@ -135,6 +143,10 @@ google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
 google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
 google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
+google.golang.org/grpc v1.81.0 h1:W3G9N3KQf3BU+YuCtGKJk0CmxQNbAISICD/9AORxLIw=
+google.golang.org/grpc v1.81.0/go.mod h1:xGH9GfzOyMTGIOXBJmXt+BX/V0kcdQbdcuwQ/zNw42I=
+google.golang.org/grpc v1.81.1 h1:VnnIIZ88UzOOKLukQi+ImGz8O1Wdp8nAGGnvOfEIWQQ=
+google.golang.org/grpc v1.81.1/go.mod h1:xGH9GfzOyMTGIOXBJmXt+BX/V0kcdQbdcuwQ/zNw42I=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/bootstrap/bootstrap.go

@@ -0,0 +1,97 @@
+package bootstrap
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/config"
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/db/sqlc/repository"
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/server"
+	"github.com/jackc/pgx/v5"
+	"github.com/lestrrat-go/httprc/v3"
+	"github.com/lestrrat-go/jwx/v3/jwk"
+)
+
+type bootstrap struct {
+	config     config.Config
+	errChan    chan error
+	signalChan chan os.Signal
+}
+
+type Bootstrap interface {
+	Run() error
+}
+
+func New(config config.Config) Bootstrap {
+	errChan := make(chan error, 5)
+	signalChan := make(chan os.Signal, 1)
+	return &bootstrap{
+		config:     config,
+		errChan:    errChan,
+		signalChan: signalChan,
+	}
+}
+
+func (b *bootstrap) Run() error {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	signal.Notify(b.signalChan, os.Interrupt, syscall.SIGTERM)
+
+	dbURL := b.config.DatabaseURL()
+	repo, err := startDatabase(ctx, dbURL)
+	if err != nil {
+		return err
+	}
+
+	client := httprc.NewClient()
+	jwkCache, err := jwk.NewCache(ctx, client)
+	if err != nil {
+		return err
+	}
+	s := server.New(repo, jwkCache, b.config)
+
+	b.errChan = make(chan error, 2)
+
+	go func() {
+		if err = s.StartAPI(ctx, b.config.ApiAddr()); err != nil && !errors.Is(err, context.Canceled) {
+			b.errChan <- err
+		}
+	}()
+
+	go func() {
+		if err = s.StartController(ctx, b.config.ControllerAddr()); err != nil && !errors.Is(err, context.Canceled) {
+			b.errChan <- err
+		}
+	}()
+
+	select {
+	case err = <-b.errChan:
+		return fmt.Errorf("service error: %w", err)
+	case sig := <-b.signalChan:
+		log.Printf("Received signal %s, initiating graceful shutdown", sig)
+		cancel()
+		return nil
+	}
+}
+
+func startDatabase(ctx context.Context, dbURL string) (*repository.Queries, error) {
+	connect, err := pgx.Connect(ctx, dbURL)
+	if err != nil {
+		return nil, err
+	}
+
+	defer func(connect *pgx.Conn, ctx context.Context) {
+		err = connect.Close(ctx)
+		if err != nil {
+			panic(err)
+		}
+	}(connect, ctx)
+
+	return repository.New(connect), nil
+}

internal/config/config.go

@@ -1,8 +1,81 @@
 package config
 
-import "os"
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"errors"
+	"log"
+	"os"
 
-func Getenv(key, defaultValue string) string {
+	"github.com/joho/godotenv"
+)
+
+type config struct {
+	databaseUrl    string
+	controllerAddr string
+	apiAddr        string
+	authToken      string
+	jwksUrl        string
+}
+
+type Config interface {
+	DatabaseURL() string
+	ControllerAddr() string
+	ApiAddr() string
+	AuthToken() string
+	JwksURL() string
+}
+
+func (c *config) DatabaseURL() string    { return c.databaseUrl }
+func (c *config) ControllerAddr() string { return c.controllerAddr }
+func (c *config) ApiAddr() string        { return c.apiAddr }
+func (c *config) AuthToken() string      { return c.authToken }
+func (c *config) JwksURL() string        { return c.jwksUrl }
+
+func MustLoad() (Config, error) {
+	if err := loadEnvFile(); err != nil {
+		return nil, err
+	}
+
+	cfg, err := parse()
+	if err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}
+
+func loadEnvFile() error {
+	if _, err := os.Stat(".env"); err == nil {
+		return godotenv.Load(".env")
+	}
+	return nil
+}
+
+func parse() (*config, error) {
+	databaseUrl := getenv("DATABASE_URL", "")
+	if databaseUrl == "" {
+		return nil, errors.New("DATABASE_URL environment variable not set")
+	}
+	controllerAddr := getenv("CONTROLLER_ADDR", ":8080")
+	apiAddr := getenv("API_ADDR", ":8081")
+	authToken := getenv("AUTH_TOKEN", "")
+	if authToken == "" {
+		authToken = generateAuthToken()
+		log.Printf("No AUTH_TOKEN provided. Generated token: %s", authToken)
+	}
+	jwksUrl := getenv("JWKS_URL", "")
+
+	return &config{
+		databaseUrl:    databaseUrl,
+		controllerAddr: controllerAddr,
+		apiAddr:        apiAddr,
+		authToken:      authToken,
+		jwksUrl:        jwksUrl,
+	}, nil
+}
+
+func getenv(key, defaultValue string) string {
 	val := os.Getenv(key)
 	if val == "" {
 		val = defaultValue
@@ -10,3 +83,11 @@ func Getenv(key, defaultValue string) string {
 
 	return val
 }
+
+func generateAuthToken() string {
+	buf := make([]byte, 32)
+	if _, err := rand.Read(buf); err != nil {
+		panic(err)
+	}
+	return base64.StdEncoding.EncodeToString(buf)
+}

internal/server/server.go

@@ -12,8 +12,8 @@ import (
 	"sync"
 	"time"
 
-	"git.fossy.my.id/bagas/tunnel-please-controller/db/sqlc/repository"
 	"git.fossy.my.id/bagas/tunnel-please-controller/internal/config"
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/db/sqlc/repository"
 	proto "git.fossy.my.id/bagas/tunnel-please-grpc/gen"
 	"github.com/lestrrat-go/jwx/v3/jwk"
 	"github.com/lestrrat-go/jwx/v3/jwt"
@@ -42,19 +42,19 @@ type Server struct {
 	Database    *repository.Queries
 	Subscribers map[string]*Subscriber
 	mu          *sync.RWMutex
-	authToken   string
 	jwkCache    *jwk.Cache
+	config      config.Config
 	proto.UnimplementedEventServiceServer
 	proto.UnimplementedUserServiceServer
 }
 
-func New(database *repository.Queries, authToken string, jwkCache *jwk.Cache) *Server {
+func New(database *repository.Queries, jwkCache *jwk.Cache, config config.Config) *Server {
 	return &Server{
 		Database:    database,
 		Subscribers: make(map[string]*Subscriber),
 		mu:          new(sync.RWMutex),
-		authToken:   authToken,
 		jwkCache:    jwkCache,
+		config:      config,
 	}
 }
 
@@ -94,7 +94,7 @@ func (s *Server) Subscribe(event grpc.BidiStreamingServer[proto.Node, proto.Even
 		return status.Error(codes.InvalidArgument, "missing identity")
 	}
 	token := payload.AuthEvent.AuthToken
-	if token != s.authToken {
+	if token != s.config.AuthToken() {
 		return status.Error(codes.Unauthenticated, "invalid auth token")
 	}
 
@@ -332,7 +332,7 @@ func (s *Server) StartAPI(ctx context.Context, Addr string) error {
 		WriteTimeout: 15 * time.Second,
 		IdleTimeout:  60 * time.Second,
 	}
-	jwkURL := config.Getenv("JWKS_URL", "")
+	jwkURL := s.config.JwksURL()
 	if jwkURL != "" {
 		registerCtx, cancel := context.WithTimeout(ctx, jwkRegisterTimeout)
 		defer cancel()
@@ -629,6 +629,7 @@ func (s *Server) StartAPI(ctx context.Context, Addr string) error {
 
 	errCh := make(chan error, 1)
 	go func() {
+		log.Printf("Listening api on %s", httpServer.Addr)
 		errCh <- httpServer.ListenAndServe()
 	}()
 
@@ -697,18 +698,19 @@ func (s *Server) StartController(ctx context.Context, Addr string) error {
 
 	serveErr := make(chan error, 1)
 	go func() {
+		log.Printf("Listening controller on %s", s.config.ControllerAddr())
 		serveErr <- grpcServer.Serve(listener)
 	}()
 
 	select {
 	case <-ctx.Done():
 		grpcServer.GracefulStop()
-		err := <-serveErr
+		err = <-serveErr
 		if err != nil {
 			return err
 		}
 		return ctx.Err()
-	case err := <-serveErr:
+	case err = <-serveErr:
 		return err
 	}
 }

main.go

@@ -1,104 +1,25 @@
 package main
 
 import (
-	"context"
-	"crypto/rand"
-	"encoding/base64"
-	"errors"
 	"log"
 	"os"
-	"os/signal"
-	"syscall"
 
-	"git.fossy.my.id/bagas/tunnel-please-controller/db/sqlc/repository"
-	"git.fossy.my.id/bagas/tunnel-please-controller/server"
-	"github.com/jackc/pgx/v5"
-	"github.com/joho/godotenv"
-	"github.com/lestrrat-go/httprc/v3"
-	"github.com/lestrrat-go/jwx/v3/jwk"
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/bootstrap"
+	"git.fossy.my.id/bagas/tunnel-please-controller/internal/config"
 )
 
 func main() {
-	if _, err := os.Stat(".env"); err == nil {
-		if err = godotenv.Load(".env"); err != nil {
-			log.Printf("Warning: Failed to load .env file: %s", err)
-		}
-	}
-
-	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
-	defer stop()
-
 	log.SetOutput(os.Stdout)
 	log.SetFlags(log.LstdFlags | log.Lshortfile)
 
-	dbURL := os.Getenv("DATABASE_URL")
-	if dbURL == "" {
-		log.Fatal("DATABASE_URL is required")
-	}
-
-	controllerAddr := getenv("CONTROLLER_ADDR", ":8080")
-	apiAddr := getenv("API_ADDR", ":8081")
-	authToken := getenv("AUTH_TOKEN", "")
-	if authToken == "" {
-		authToken = generateAuthToken()
-		log.Printf("No AUTH_TOKEN provided. Generated token: %s", authToken)
-	}
-
-	connect, err := pgx.Connect(ctx, dbURL)
+	conf, err := config.MustLoad()
 	if err != nil {
-		panic(err)
+		log.Fatalf("Config load error: %v", err)
 	}
-	defer func(connect *pgx.Conn, ctx context.Context) {
-		err = connect.Close(ctx)
-		if err != nil {
-			panic(err)
-		}
-	}(connect, ctx)
 
-	repo := repository.New(connect)
-	client := httprc.NewClient()
-	jwkCache, err := jwk.NewCache(ctx, client)
-	if err != nil {
-		log.Printf("failed to initialize jwk cache : %s", err)
-	}
-	s := server.New(repo, authToken, jwkCache)
+	boot := bootstrap.New(conf)
 
-	log.Printf("Listening controller on %s", controllerAddr)
-	log.Printf("Listening api on %s", apiAddr)
-
-	errCh := make(chan error, 2)
-
-	go func() {
-		if err = s.StartAPI(ctx, apiAddr); err != nil && !errors.Is(err, context.Canceled) {
-			errCh <- err
-		}
-	}()
-
-	go func() {
-		if err = s.StartController(ctx, controllerAddr); err != nil && !errors.Is(err, context.Canceled) {
-			errCh <- err
-		}
-	}()
-
-	select {
-	case <-ctx.Done():
-		log.Printf("shutting down: %v", ctx.Err())
-	case err = <-errCh:
-		log.Fatalf("server error: %v", err)
+	if err = boot.Run(); err != nil {
+		log.Fatalf("Application error: %v", err)
 	}
 }
-
-func getenv(key, def string) string {
-	if val := os.Getenv(key); val != "" {
-		return val
-	}
-	return def
-}
-
-func generateAuthToken() string {
-	buf := make([]byte, 32)
-	if _, err := rand.Read(buf); err != nil {
-		panic(err)
-	}
-	return base64.StdEncoding.EncodeToString(buf)
-}