Add upx compression to Dockerfile

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 20.10.17+incompatible to 20.10.24+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Commits](https://github.com/docker/docker/compare/v20.10.17...v20.10.24)

---
updated-dependencies:
- dependency-name: github.com/docker/docker
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/codeql-analysis.yml

@@ -36,7 +36,12 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v3
 
-    # Initializes the CodeQL tools for scanning.
+    - name: install go
+      uses: actions/setup-go@v3
+      with:
+        go-version-file: go.mod
+        cache: true
+
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:

.github/workflows/main.yml

@@ -37,6 +37,11 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      - name: install go
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+          cache: true
 
       - name: Set env
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
@@ -57,7 +62,7 @@ jobs:
           sha256sum whatismyip-$RELEASE_VERSION-${{matrix.goosarch}}.tar.gz > whatismyip-$RELEASE_VERSION-${{matrix.goosarch}}.tar.gz.sha256
 
       - name: Release
-        uses: softprops/action-gh-release@v0.1.14
+        uses: softprops/action-gh-release@v1
         with:
           body_path: changelog.txt
           files: |

Dockerfile

@@ -7,7 +7,8 @@ WORKDIR /app
 
 COPY . .
 
-RUN apk add make git && make build VERSION=$VERSION
+RUN apk add make git upx && make build VERSION=$VERSION \
+    && upx --best --lzma whatismyip
 
 # Build final image
 FROM scratch

README.md

@@ -7,18 +7,19 @@
 [![License Apache 2.0](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](./LICENSE)
 
 - [What is my IP address](#what-is-my-ip-address)
-  - [Features](#features)
+    - [Features](#features)
-  - [Endpoints](#endpoints)
+    - [Endpoints](#endpoints)
-  - [Build](#build)
+    - [Build](#build)
-  - [Usage](#usage)
+    - [Usage](#usage)
-  - [Examples](#examples)
+    - [Examples](#examples)
-    - [Run a default TCP server](#run-a-default-tcp-server)
+        - [Run a default TCP server](#run-a-default-tcp-server)
-    - [Run a TLS (HTTP/2) server only](#run-a-tls-http2-server-only)
+        - [Run a TLS (HTTP/2) server only](#run-a-tls-http2-server-only)
-    - [Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy](#run-a-default-tcp-server-with-a-custom-template-and-trust-a-pair-of-custom-headers-set-by-an-upstream-proxy)
+        - [Run an HTTP/3 server](#run-an-http3-server)
-  - [Download](#download)
+        - [Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy](#run-a-default-tcp-server-with-a-custom-template-and-trust-a-pair-of-custom-headers-set-by-an-upstream-proxy)
-  - [Docker](#docker)
+    - [Download](#download)
-    - [Run a container locally using test databases](#run-a-container-locally-using-test-databases)
+    - [Docker](#docker)
-    - [From Docker Hub](#from-docker-hub)
+        - [Run a container locally using test databases](#run-a-container-locally-using-test-databases)
+        - [From Docker Hub](#from-docker-hub)
 
 Just another "what is my IP address" service, including geolocation and headers information, written in go with high performance in mind, it uses [gin](https://github.com/gin-gonic/gin) which uses [httprouter](https://github.com/julienschmidt/httprouter) a lightweight high performance HTTP multiplexer.
 
@@ -37,11 +38,12 @@ curl -6 ifconfig.es
 ## Features
 
 - TLS and HTTP/2.
+- Experimental HTTP/3 support. HTTP/3 requires a TLS server running (`-tls-bind`), as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.
 - Can run behind a proxy by trusting a custom header (usually `X-Real-IP`) to figure out the source IP address. It also supports a custom header to resolve the client port, if the proxy can only add a header for the IP (for example a fixed header from CDNs) the client port is shown as unknown.
 - IPv4 and IPv6.
 - Geolocation info including ASN. This feature is possible thanks to [maxmind](https://dev.maxmind.com/geoip/geolite2-free-geolocation-data?lang=en) GeoLite2 databases. In order to use these databases, a license key is needed. Please visit Maxmind site for further instructions and get a free license.
 - High performance.
-- Self-contained server what can reload GeoLite2 databases and/or SSL certificates without stop/start. The `hup` signal is honored.
+- Self-contained server that can reload GeoLite2 databases and/or SSL certificates without stop/start. The `hup` signal is honored.
 - HTML templates for the landing page.
 - Text plain and JSON output.
 
@@ -67,7 +69,7 @@ curl -6 ifconfig.es
 
 ## Build
 
-Golang >= 1.17 is required. Previous versions may work.
+Golang >= 1.19 is required.
 
 `make build`
 
@@ -77,6 +79,8 @@ Golang >= 1.17 is required. Previous versions may work.
 Usage of whatismyip:
   -bind string
         Listening address (see https://pkg.go.dev/net?#Listen) (default ":8080")
+  -enable-http3
+        Enable HTTP/3 protocol. HTTP/3 requires --tls-bind set, as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.
   -enable-secure-headers
         Add sane security-related headers to every response
   -geoip2-asn string
@@ -114,6 +118,13 @@ Usage of whatismyip:
              -bind "" -tls-bind :8081 -tls-crt ./test/server.pem -tls-key ./test/server.key
 ```
 
+### Run an HTTP/3 server
+
+```bash
+./whatismyip -geoip2-city ./test/GeoIP2-City-Test.mmdb -geoip2-asn ./test/GeoLite2-ASN-Test.mmdb \
+             -bind "" -tls-bind :8081 -tls-crt ./test/server.pem -tls-key ./test/server.key -enable-http3
+```
+
 ### Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy
 
 ```bash
@@ -123,11 +134,11 @@ Usage of whatismyip:
 
 ## Download
 
-Download latest version from https://github.com/dcarrillo/whatismyip/releases
+Download the latest version from https://github.com/dcarrillo/whatismyip/releases
 
 ## Docker
 
-An ultra-light (~10MB) image is available at [docker hub](https://hub.docker.com/r/dcarrillo/whatismyip).
+An ultra-light (~4MB) image is available on [docker hub](https://hub.docker.com/r/dcarrillo/whatismyip). Since version `2.1.2`, the binary is compressed using [upx](https://github.com/upx/upx).
 
 ### Run a container locally using test databases
 

cmd/whatismyip.go

@@ -2,142 +2,45 @@ package main
 
 import (
 	"context"
-	"errors"
 	"flag"
 	"fmt"
-	"log"
-	"net/http"
 	"os"
-	"os/signal"
-	"syscall"
 
 	"github.com/dcarrillo/whatismyip/internal/httputils"
 	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/dcarrillo/whatismyip/server"
 	"github.com/gin-contrib/secure"
 
 	"github.com/dcarrillo/whatismyip/models"
 	"github.com/dcarrillo/whatismyip/router"
-
 	"github.com/gin-gonic/gin"
 )
 
-var (
-	tcpServer *http.Server
-	tlsServer *http.Server
-	engine    *gin.Engine
-)
-
 func main() {
 	o, err := setting.Setup(os.Args[1:])
 	if err == flag.ErrHelp || err == setting.ErrVersion {
 		fmt.Print(o)
 		os.Exit(0)
 	} else if err != nil {
-		fmt.Print(err)
+		fmt.Println(err)
 		os.Exit(1)
 	}
 
 	models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
-	setupEngine()
+	engine := setupEngine()
 	router.SetupTemplate(engine)
 	router.Setup(engine)
 
-	if setting.App.BindAddress != "" {
+	whatismyip := server.Setup(context.Background(), engine.Handler())
-		runTCPServer()
+	whatismyip.Run()
-	}
-
-	if setting.App.TLSAddress != "" {
-		runTLSServer()
-	}
-
-	runHandler()
 }
 
-func runHandler() {
+func setupEngine() *gin.Engine {
-	signalChan := make(chan os.Signal, 3)
-	signal.Notify(signalChan, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
-	ctx := context.Background()
-	var s os.Signal
-
-	for {
-		s = <-signalChan
-
-		if s == syscall.SIGHUP {
-			models.CloseDBs()
-			models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
-			router.SetupTemplate(engine)
-
-			if setting.App.BindAddress != "" {
-				if err := tcpServer.Shutdown(ctx); err != nil {
-					log.Printf("TCP server forced to shutdown: %s", err)
-				}
-				runTCPServer()
-			}
-			if setting.App.TLSAddress != "" {
-				if err := tlsServer.Shutdown(ctx); err != nil {
-					log.Printf("TLS server forced to shutdown: %s", err)
-				}
-				runTLSServer()
-			}
-		} else {
-			log.Printf("Shutting down...")
-			if setting.App.BindAddress != "" {
-				if err := tcpServer.Shutdown(ctx); err != nil {
-					log.Printf("TCP server forced to shutdown: %s", err)
-				}
-			}
-			if setting.App.TLSAddress != "" {
-				if err := tlsServer.Shutdown(ctx); err != nil {
-					log.Printf("TLS server forced to shutdown: %s", err)
-				}
-			}
-			models.CloseDBs()
-			break
-		}
-	}
-}
-
-func runTCPServer() {
-	tcpServer = &http.Server{
-		Addr:         setting.App.BindAddress,
-		Handler:      engine,
-		ReadTimeout:  setting.App.Server.ReadTimeout,
-		WriteTimeout: setting.App.Server.WriteTimeout,
-	}
-
-	go func() {
-		log.Printf("Starting TCP server listening on %s", setting.App.BindAddress)
-		if err := tcpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
-			log.Fatal(err)
-		}
-		log.Printf("Stopping TCP server...")
-	}()
-}
-
-func runTLSServer() {
-	tlsServer = &http.Server{
-		Addr:         setting.App.TLSAddress,
-		Handler:      engine,
-		ReadTimeout:  setting.App.Server.ReadTimeout,
-		WriteTimeout: setting.App.Server.WriteTimeout,
-	}
-
-	go func() {
-		log.Printf("Starting TLS server listening on %s", setting.App.TLSAddress)
-		if err := tlsServer.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
-			!errors.Is(err, http.ErrServerClosed) {
-			log.Fatal(err)
-		}
-		log.Printf("Stopping TLS server...")
-	}()
-}
-
-func setupEngine() {
 	gin.DisableConsoleColor()
 	if os.Getenv(gin.EnvGinMode) == "" {
 		gin.SetMode(gin.ReleaseMode)
 	}
-	engine = gin.New()
+	engine := gin.New()
 	engine.Use(gin.LoggerWithFormatter(httputils.GetLogFormatter))
 	engine.Use(gin.Recovery())
 	if setting.App.EnableSecureHeaders {
@@ -149,4 +52,6 @@ func setupEngine() {
 	}
 	_ = engine.SetTrustedProxies(nil)
 	engine.TrustedPlatform = setting.App.TrustedHeader
+
+	return engine
 }

go.mod

@@ -6,61 +6,72 @@ require (
 	github.com/gin-contrib/secure v0.0.1
 	github.com/gin-gonic/gin v1.9.0
 	github.com/oschwald/maxminddb-golang v1.10.0
+	github.com/quic-go/quic-go v0.34.0
 	github.com/stretchr/testify v1.8.2
 	github.com/testcontainers/testcontainers-go v0.13.0
+	golang.org/x/net v0.9.0
 )
 
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/Microsoft/hcsshim v0.9.6 // indirect
-	github.com/bytedance/sonic v1.8.3 // indirect
+	github.com/bytedance/sonic v1.8.8 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/containerd/cgroups v1.0.4 // indirect
 	github.com/containerd/containerd v1.6.18 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/distribution v2.8.1+incompatible // indirect
-	github.com/docker/docker v20.10.17+incompatible // indirect
+	github.com/docker/docker v20.10.24+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.11.2 // indirect
+	github.com/go-playground/validator/v10 v10.12.0 // indirect
-	github.com/goccy/go-json v0.10.0 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/pprof v0.0.0-20230426061923-93006964c1fc // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
-	github.com/leodido/go-urn v1.2.2 // indirect
+	github.com/leodido/go-urn v1.2.3 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
 	github.com/moby/sys/mount v0.3.3 // indirect
 	github.com/moby/sys/mountinfo v0.6.2 // indirect
 	github.com/moby/term v0.0.0-20220808134915-39b0c02b01ae // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/onsi/ginkgo/v2 v2.9.2 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
-	github.com/opencontainers/runc v1.1.3 // indirect
+	github.com/opencontainers/runc v1.1.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.2 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.2 // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	go.opencensus.io v0.23.0 // indirect
 	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/crypto v0.8.0 // indirect
-	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53 // indirect
-	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/mod v0.10.0 // indirect
-	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/sys v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/tools v0.8.0 // indirect
 	google.golang.org/genproto v0.0.0-20220810155839-1856144b1d9c // indirect
 	google.golang.org/grpc v1.48.0 // indirect
-	google.golang.org/protobuf v1.29.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -94,8 +94,10 @@ github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd/go.mod h1:2oa8n
 github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b/go.mod h1:obH5gd0BsqsP2LwDJ9aOkm/6J86V6lyAXCoQWGw3K50=
 github.com/bugsnag/panicwrap v0.0.0-20151223152923-e2c28503fcd0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
-github.com/bytedance/sonic v1.8.3 h1:pf6fGl5eqWYKkx1RcD4qpuX+BIUaduv/wTm5ekWJ80M=
+github.com/bytedance/sonic v1.8.5 h1:kjX0/vo5acEQ/sinD/18SkA/lDDUk23F0RcaHvI7omc=
-github.com/bytedance/sonic v1.8.3/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
+github.com/bytedance/sonic v1.8.5/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
+github.com/bytedance/sonic v1.8.8 h1:Kj4AYbZSeENfyXicsYppYKO0K2YWab+i2UTSY7Ukz9Q=
+github.com/bytedance/sonic v1.8.8/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
 github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/cenkalti/backoff/v4 v4.1.2/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/cenkalti/backoff/v4 v4.1.3 h1:cFAlzYUlVYDysBEH2T5hyJZMh3+5+WCBvSnK6Q8UtC4=
@@ -263,8 +265,8 @@ github.com/docker/distribution v2.8.1+incompatible h1:Q50tZOPR6T/hjNsyc9g8/syEs6
 github.com/docker/distribution v2.8.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/docker v1.4.2-0.20190924003213-a8608b5b67c7/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker v20.10.11+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
-github.com/docker/docker v20.10.17+incompatible h1:JYCuMrWaVNophQTOrMMoSwudOVEfcegoZZrleKc1xwE=
+github.com/docker/docker v20.10.24+incompatible h1:Ugvxm7a8+Gz6vqQYQQ2W7GYq5EUPaAiuPgIfVyI3dYE=
-github.com/docker/docker v20.10.17+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v20.10.24+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker-credential-helpers v0.6.3/go.mod h1:WRaJzqw3CTB9bk10avuGsjVBZsD05qeibJ1/TYlvc0Y=
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
@@ -317,6 +319,7 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
 github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
 github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
@@ -337,13 +340,21 @@ github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJn
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
 github.com/go-playground/validator/v10 v10.11.2 h1:q3SHpufmypg+erIExEKUmsgmhDTyhcJ38oeKGACXohU=
 github.com/go-playground/validator/v10 v10.11.2/go.mod h1:NieE624vt4SCTJtD87arVLvdmjPAeV8BQlHtMnw9D7s=
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@@ -373,6 +384,7 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
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@@ -389,8 +401,9 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -403,8 +416,8 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -415,6 +428,10 @@ github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hf
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@@ -495,6 +512,8 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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@@ -512,6 +531,8 @@ github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2y
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@@ -566,6 +587,10 @@ github.com/onsi/ginkgo v1.10.3/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
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@@ -573,6 +598,7 @@ github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa
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@@ -590,8 +616,8 @@ github.com/opencontainers/runc v1.0.0-rc8.0.20190926000215-3e425f80a8c9/go.mod h
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@@ -607,6 +633,7 @@ github.com/oschwald/maxminddb-golang v1.10.0 h1:Xp1u0ZhqkSuopaKmk1WwHtjF0H9Hd918
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@@ -647,6 +674,20 @@ github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4O
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+github.com/quic-go/qtls-go1-20 v0.2.2/go.mod h1:JKtK6mjbAVcUTN/9jZpvLbGxvdWIKS8uT7EiStoU1SM=
+github.com/quic-go/quic-go v0.33.0 h1:ItNoTDN/Fm/zBlq769lLJc8ECe9gYaW40veHCCco7y0=
+github.com/quic-go/quic-go v0.33.0/go.mod h1:YMuhaAV9/jIu0XclDXwZPAsP/2Kgr5yMYhe9oxhhOFA=
+github.com/quic-go/quic-go v0.34.0 h1:OvOJ9LFjTySgwOTYUZmNoq0FzVicP8YujpV0kB7m2lU=
+github.com/quic-go/quic-go v0.34.0/go.mod h1:+4CVgVppm0FNjpG3UcX8Joi/frKOH7/ciD5yGcwOO1g=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
@@ -778,6 +819,8 @@ golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
+golang.org/x/crypto v0.8.0 h1:pd9TJtTueMTVQXzk8E2XESSMQDj/U7OUu0PqJqPXQjQ=
+golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -788,6 +831,10 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 h1:pVgRXcIictcr+lBQIFeiwuwtDIs4eL21OuM9nyAADmo=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
+golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53 h1:5llv2sWeaMSnA3w2kS57ouQQ4pudlXrR0dCgw51QK9o=
+golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -809,6 +856,10 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
+golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
+golang.org/x/mod v0.10.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -851,6 +902,8 @@ golang.org/x/net v0.0.0-20210825183410-e898025ed96a/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20211108170745-6635138e15ea/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
+golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -949,6 +1002,8 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -959,6 +1014,8 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1011,10 +1068,13 @@ golang.org/x/tools v0.0.0-20200916195026-c9a70fc28ce3/go.mod h1:z6u4i615ZeAfBE4X
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
+golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
+golang.org/x/tools v0.8.0 h1:vSDcovVPld282ceKgDimkRSC8kpaH1dgyc9UMzlt84Y=
+golang.org/x/tools v0.8.0/go.mod h1:JxBZ99ISMI5ViVkT1tr6tdNmXeTrcpVSD3vZ1RsRdN4=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.0.0-20160322025152-9bf6e6e569ff/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
@@ -1095,8 +1155,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.29.0 h1:44S3JjaKmLEE4YIkjzexaP+NzZsudE3Zin5Njn/pYX0=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.29.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

integration-tests/integration_test.go

@@ -9,9 +9,12 @@ import (
 	"net/http"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"testing"
 
 	"github.com/dcarrillo/whatismyip/router"
+	"github.com/quic-go/quic-go"
+	"github.com/quic-go/quic-go/http3"
 	"github.com/stretchr/testify/assert"
 	"github.com/testcontainers/testcontainers-go"
 	"github.com/testcontainers/testcontainers-go/wait"
@@ -35,9 +38,12 @@ func buildContainer() testcontainers.ContainerRequest {
 			"-tls-key", "/tmp/server.key",
 			"-trusted-header", "X-Real-IP",
 			"-enable-secure-headers",
+			"-enable-http3",
 		},
-		ExposedPorts: []string{"8000:8000", "8001:8001"},
+		ExposedPorts: []string{"8000:8000", "8001:8001", "8001:8001/udp"},
-		WaitingFor:   wait.ForLog("Starting TLS server listening on :8001"),
+		WaitingFor: wait.ForHTTP("/geo").
+			WithTLS(true, &tls.Config{InsecureSkipVerify: true}).
+			WithPort("8001"),
 		Mounts: testcontainers.Mounts(
 			testcontainers.BindMount(
 				filepath.Join(dir, "/../test/GeoIP2-City-Test.mmdb"),
@@ -69,28 +75,84 @@ func TestContainerIntegration(t *testing.T) {
 		log.Fatal(err)
 	}
 	defer func() {
-		err := container.Terminate(ctx)
+		err = container.Terminate(ctx)
 		if err != nil {
 			log.Fatal(err)
 		}
 	}()
 
 	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
-	for _, url := range []string{"http://localhost:8000", "https://localhost:8001"} {
-		client := &http.Client{}
-		req, _ := http.NewRequest("GET", url, nil)
-		req.Header.Set("Accept", "application/json")
-		resp, _ := client.Do(req)
-		assert.Equal(t, 200, resp.StatusCode)
 
-		body, err := io.ReadAll(resp.Body)
+	tests := []struct {
-		if err != nil {
+		name string
-			log.Fatal(err)
+		url  string
-		}
+		quic bool
+	}{
+		{
+			name: "RequestOverHTTP",
+			url:  "http://localhost:8000",
+			quic: false,
+		},
+		{
+			name: "RequestOverHTTPs",
+			url:  "https://localhost:8001",
+			quic: false,
+		},
+		{
+			name: "RequestOverUDPWithQuic",
+			url:  "https://localhost:8001",
+			quic: true,
+		},
+	}
 
-		assert.NoError(t, json.Unmarshal(body, &router.JSONResponse{}))
+	for _, tt := range tests {
-		assert.Equal(t, "DENY", resp.Header.Get("X-Frame-Options"))
+		t.Run(tt.name, func(t *testing.T) {
-		assert.Equal(t, "nosniff", resp.Header.Get("X-Content-Type-Options"))
+			req, _ := http.NewRequest("GET", tt.url, nil)
-		assert.Equal(t, "1; mode=block", resp.Header.Get("X-Xss-Protection"))
+			req.Header.Set("Accept", "application/json")
+
+			var resp *http.Response
+			var body []byte
+			if tt.quic {
+				resp, body, err = doQuicRequest(req)
+			} else {
+				client := &http.Client{}
+				resp, _ = client.Do(req)
+				body, err = io.ReadAll(resp.Body)
+				if strings.Contains(tt.url, "https://") {
+					assert.Equal(t, `h3=":8001"; ma=2592000,h3-29=":8001"; ma=2592000`, resp.Header.Get("Alt-Svc"))
+				}
+			}
+			assert.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
+			assert.NoError(t, json.Unmarshal(body, &router.JSONResponse{}))
+			assert.Equal(t, "DENY", resp.Header.Get("X-Frame-Options"))
+			assert.Equal(t, "nosniff", resp.Header.Get("X-Content-Type-Options"))
+			assert.Equal(t, "1; mode=block", resp.Header.Get("X-Xss-Protection"))
+		})
 	}
 }
+
+func doQuicRequest(req *http.Request) (*http.Response, []byte, error) {
+	roundTripper := &http3.RoundTripper{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true,
+		},
+		QuicConfig: &quic.Config{},
+	}
+	defer roundTripper.Close()
+
+	client := &http.Client{
+		Transport: roundTripper,
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(resp.Body)
+
+	return resp, body, nil
+}

internal/setting/app.go

@@ -29,6 +29,7 @@ type settings struct {
 	TrustedHeader       string
 	TrustedPortHeader   string
 	EnableSecureHeaders bool
+	EnableHTTP3         bool
 	Server              serverSettings
 	version             bool
 }
@@ -89,6 +90,12 @@ func Setup(args []string) (output string, err error) {
 		false,
 		"Add sane security-related headers to every response",
 	)
+	flags.BoolVar(
+		&App.EnableHTTP3,
+		"enable-http3",
+		false,
+		"Enable HTTP/3 protocol. HTTP/3 requires --tls-bind set, as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.",
+	)
 
 	err = flags.Parse(args)
 	if err != nil {
@@ -100,24 +107,28 @@ func Setup(args []string) (output string, err error) {
 	}
 
 	if App.TrustedPortHeader != "" && App.TrustedHeader == "" {
-		return "", fmt.Errorf("truster-header is mandatory when truster-port-header is set\n")
+		return "", fmt.Errorf("truster-header is mandatory when truster-port-header is set")
 	}
 
 	if App.GeodbPath.City == "" || App.GeodbPath.ASN == "" {
-		return "", fmt.Errorf("geoip2-city and geoip2-asn parameters are mandatory\n")
+		return "", fmt.Errorf("geoip2-city and geoip2-asn parameters are mandatory")
 	}
 
 	if (App.TLSAddress != "") && (App.TLSCrtPath == "" || App.TLSKeyPath == "") {
-		return "", fmt.Errorf("In order to use TLS -tls-crt and -tls-key flags are mandatory\n")
+		return "", fmt.Errorf("in order to use TLS, the -tls-crt and -tls-key flags are mandatory")
+	}
+
+	if App.EnableHTTP3 && App.TLSAddress == "" {
+		return "", fmt.Errorf("in order to use HTTP3, the -tls-bind is mandatory")
 	}
 
 	if App.TemplatePath != "" {
 		info, err := os.Stat(App.TemplatePath)
 		if os.IsNotExist(err) {
-			return "", fmt.Errorf("%s no such file or directory\n", App.TemplatePath)
+			return "", fmt.Errorf("%s no such file or directory", App.TemplatePath)
 		}
 		if info.IsDir() {
-			return "", fmt.Errorf("%s must be a file\n", App.TemplatePath)
+			return "", fmt.Errorf("%s must be a file", App.TemplatePath)
 		}
 	}
 

internal/setting/app_test.go

@@ -41,6 +41,11 @@ func TestParseMandatoryFlags(t *testing.T) {
 				"-tls-key", "/key-path",
 			},
 		},
+		{
+			[]string{
+				"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-enable-http3",
+			},
+		},
 		{
 			[]string{
 				"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-bind", ":8000",

server/quic_server.go

@@ -0,0 +1,54 @@
+package server
+
+import (
+	"context"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/quic-go/quic-go/http3"
+)
+
+type QuicServer struct {
+	server    *http3.Server
+	tlsServer *TLSServer
+	ctx       context.Context
+}
+
+func NewQuicServer(ctx context.Context, tlsServer *TLSServer) *QuicServer {
+	return &QuicServer{
+		tlsServer: tlsServer,
+		ctx:       ctx,
+	}
+}
+
+func (q *QuicServer) Start() {
+	q.server = &http3.Server{
+		Addr:    setting.App.TLSAddress,
+		Handler: q.tlsServer.server.Handler,
+	}
+
+	parentHandler := q.tlsServer.server.Handler
+	q.tlsServer.server.Handler = http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+		if err := q.server.SetQuicHeaders(rw.Header()); err != nil {
+			log.Fatal(err)
+		}
+
+		parentHandler.ServeHTTP(rw, req)
+	})
+
+	log.Printf("Starting QUIC server listening on %s (udp)", setting.App.TLSAddress)
+	go func() {
+		if err := q.server.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
+			err.Error() != "quic: Server closed" {
+			log.Fatal(err)
+		}
+	}()
+}
+
+func (q *QuicServer) Stop() {
+	log.Printf("Stopping QUIC server...")
+	if err := q.server.Close(); err != nil {
+		log.Printf("QUIC server forced to shutdown")
+	}
+}

server/server.go

@@ -0,0 +1,96 @@
+package server
+
+import (
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/dcarrillo/whatismyip/models"
+	"golang.org/x/net/context"
+)
+
+type Server interface {
+	Start()
+	Stop()
+}
+
+type Factory struct {
+	tcpServer  *TCPServer
+	tlsServer  *TLSServer
+	quicServer *QuicServer
+}
+
+func Setup(ctx context.Context, handler http.Handler) *Factory {
+	var tcpServer *TCPServer
+	var tlsServer *TLSServer
+	var quicServer *QuicServer
+
+	if setting.App.BindAddress != "" {
+		tcpServer = NewTCPServer(ctx, &handler)
+	}
+
+	if setting.App.TLSAddress != "" {
+		tlsServer = NewTLSServer(ctx, &handler)
+		if setting.App.EnableHTTP3 {
+			quicServer = NewQuicServer(ctx, tlsServer)
+		}
+	}
+
+	return &Factory{
+		tcpServer:  tcpServer,
+		tlsServer:  tlsServer,
+		quicServer: quicServer,
+	}
+}
+
+func (f *Factory) Run() {
+	f.start()
+
+	signalChan := make(chan os.Signal, 3)
+	signal.Notify(signalChan, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
+	var s os.Signal
+	for {
+		s = <-signalChan
+
+		if s == syscall.SIGHUP {
+			f.stop()
+			models.CloseDBs()
+			models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
+			f.start()
+		} else {
+			log.Printf("Shutting down...")
+			f.stop()
+			models.CloseDBs()
+			break
+		}
+	}
+}
+
+func (f *Factory) start() {
+	if f.tcpServer != nil {
+		f.tcpServer.Start()
+	}
+
+	if f.tlsServer != nil {
+		f.tlsServer.Start()
+		if f.quicServer != nil {
+			f.quicServer.Start()
+		}
+	}
+}
+
+func (f *Factory) stop() {
+	if f.tcpServer != nil {
+		f.tcpServer.Stop()
+	}
+
+	if f.tlsServer != nil {
+		if f.quicServer != nil {
+			f.quicServer.Stop()
+		}
+		f.tlsServer.Stop()
+	}
+}

server/tcp_server.go

@@ -0,0 +1,46 @@
+package server
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+)
+
+type TCPServer struct {
+	server  *http.Server
+	handler *http.Handler
+	ctx     context.Context
+}
+
+func NewTCPServer(ctx context.Context, handler *http.Handler) *TCPServer {
+	return &TCPServer{
+		handler: handler,
+		ctx:     ctx,
+	}
+}
+
+func (t *TCPServer) Start() {
+	t.server = &http.Server{
+		Addr:         setting.App.BindAddress,
+		Handler:      *t.handler,
+		ReadTimeout:  setting.App.Server.ReadTimeout,
+		WriteTimeout: setting.App.Server.WriteTimeout,
+	}
+
+	log.Printf("Starting TCP server listening on %s", setting.App.BindAddress)
+	go func() {
+		if err := t.server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			log.Fatal(err)
+		}
+	}()
+}
+
+func (t *TCPServer) Stop() {
+	log.Printf("Stopping TCP server...")
+	if err := t.server.Shutdown(t.ctx); err != nil {
+		log.Printf("TCP server forced to shutdown: %s", err)
+	}
+}

server/tls_server.go

@@ -0,0 +1,47 @@
+package server
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+)
+
+type TLSServer struct {
+	server  *http.Server
+	handler *http.Handler
+	ctx     context.Context
+}
+
+func NewTLSServer(ctx context.Context, handler *http.Handler) *TLSServer {
+	return &TLSServer{
+		handler: handler,
+		ctx:     ctx,
+	}
+}
+
+func (t *TLSServer) Start() {
+	t.server = &http.Server{
+		Addr:         setting.App.TLSAddress,
+		Handler:      *t.handler,
+		ReadTimeout:  setting.App.Server.ReadTimeout,
+		WriteTimeout: setting.App.Server.WriteTimeout,
+	}
+
+	log.Printf("Starting TLS server listening on %s", setting.App.TLSAddress)
+	go func() {
+		if err := t.server.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
+			!errors.Is(err, http.ErrServerClosed) {
+			log.Fatal(err)
+		}
+	}()
+}
+
+func (t *TLSServer) Stop() {
+	log.Printf("Stopping TLS server...")
+	if err := t.server.Shutdown(t.ctx); err != nil {
+		log.Printf("TLS server forced to shutdown: %s", err)
+	}
+}