diff --git a/LICENSE b/LICENSE
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+++ b/LICENSE
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+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
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+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
diff --git a/cmd/root.go b/cmd/root.go
new file mode 100644
index 0000000..61c6d05
--- /dev/null
+++ b/cmd/root.go
@@ -0,0 +1,70 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package cmd
+
+import (
+	"os"
+	"os/signal"
+
+	"github.com/spf13/cobra"
+
+	"git.kle.li/tools/go-import-redirector/pkg/configuration"
+	"git.kle.li/tools/go-import-redirector/pkg/server"
+)
+
+var cfgFile string
+var bind string
+var hotReload bool
+var cfg *configuration.Configuration
+var srv *server.Server
+var startupDone bool
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "go-import-redirector",
+	Short: "run a webserver serving html documents with the meta annotation for golang imports",
+	Long:  ``,
+	Run:   rootRun,
+}
+
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	rootCmd.Flags().StringVarP(&cfgFile, "config", "c", "", "config file (default order is $HOME/go-import-redirector.yaml, /etc/go-import-redirector.yaml, ./go-import-redirector.yaml)")
+	rootCmd.Flags().StringVarP(&bind, "bind", "b", ":3000", "the address and port on which to serve the webserver (default :3000)")
+	rootCmd.Flags().BoolVarP(&hotReload, "hotreload", "r", true, "Change hot reloading (default true)")
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	startupDone = false
+	srv = server.New(bind)
+	cfg = configuration.New(cfgFile, hotReload, reloadConfig)
+}
+
+func rootRun(cmd *cobra.Command, args []string) {
+	// spew.Dump(cfg.GetPackageList())
+	startupDone = true
+	srv.Start(cfg.GetPackageList())
+
+	stop := make(chan os.Signal, 1)
+	signal.Notify(stop, os.Interrupt)
+
+	// Waiting for SIGINT (kill -2)
+	<-stop
+
+}
+
+func reloadConfig() {
+	if startupDone {
+		srv.Restart(cfg.GetPackageList())
+	}
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..27b3e14
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,24 @@
+module git.kle.li/tools/go-import-redirector
+
+go 1.20
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/spf13/afero v1.9.3 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/cobra v1.7.0 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.15.0 // indirect
+	github.com/subosito/gotenv v1.4.2 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..22fe57d
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,475 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.75.0/go.mod h1:VGuuCn7PG0dwsd5XPVm2Mm3wlh3EL55/79EKB6hlPTY=
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+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
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+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
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+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..e879928
--- /dev/null
+++ b/main.go
@@ -0,0 +1,10 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package main
+
+import "git.kle.li/tools/go-import-redirector/cmd"
+
+func main() {
+	cmd.Execute()
+}
diff --git a/pkg/configuration/configuration.go b/pkg/configuration/configuration.go
new file mode 100644
index 0000000..d970442
--- /dev/null
+++ b/pkg/configuration/configuration.go
@@ -0,0 +1,106 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package configuration
+
+import (
+	"fmt"
+	"os"
+
+	"git.kle.li/tools/go-import-redirector/pkg/configuration/file"
+	"git.kle.li/tools/go-import-redirector/pkg/packageList"
+	"github.com/fsnotify/fsnotify"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+type Configuration struct {
+	v           *viper.Viper
+	r           func()
+	packageList *packageList.PackageList
+}
+
+func New(cfgFile string, hotReload bool, reloadFunction func()) *Configuration {
+
+	c := Configuration{
+		v: viper.New(),
+	}
+
+	c.v.Debug()
+
+	if cfgFile != "" {
+		// Use Configurationfile from the flag.
+		c.v.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := os.UserHomeDir()
+		cobra.CheckErr(err)
+
+		c.v.AddConfigPath(home)
+		c.v.AddConfigPath("/etc/")
+		c.v.AddConfigPath(".")
+		c.v.SetConfigType("yaml")
+		c.v.SetConfigName("go-import-redirector")
+	}
+
+	// If a Configurationfile is found, read it in.
+	if err := c.v.ReadInConfig(); err == nil {
+		fmt.Fprintln(os.Stderr, "Using Configurationfile:", c.v.ConfigFileUsed())
+	} else {
+		fmt.Fprintf(os.Stderr, "Failed to load any configs %v", err.Error())
+		os.Exit(1)
+	}
+
+	if hotReload {
+		c.r = reloadFunction
+		fmt.Fprintln(os.Stderr, "Hot reloading enabled")
+		c.v.OnConfigChange(c.updateConfig)
+		c.v.WatchConfig()
+	} else {
+		fmt.Fprintln(os.Stderr, "Hot reloading disabled")
+	}
+
+	c.loadCfgFile()
+
+	return &c
+}
+
+func (c *Configuration) updateConfig(in fsnotify.Event) {
+	c.loadCfgFile()
+
+	if c.r != nil {
+		c.r()
+	}
+}
+
+func (c *Configuration) GetPackageList() *packageList.PackageList {
+	return c.packageList
+}
+
+func (c *Configuration) loadCfgFile() {
+	cfgFile := &file.CfgFile{}
+	if err := c.v.Unmarshal(&cfgFile); err != nil {
+		fmt.Fprintf(os.Stderr, "Failed to unmarshal config %v", err.Error())
+		os.Exit(1)
+	}
+
+	// fmt.Printf("\n\n\n" + time.Now().String() + "\n")
+	// fmt.Println(c.v.ConfigFileUsed())
+	// spew.Dump(c.v.AllSettings())
+	// spew.Dump(cfgFile)
+	// fmt.Printf("\n\n\n")
+
+	if c.v.GetString("host") == "" {
+		fmt.Fprintln(os.Stderr, "Host not set in config")
+		os.Exit(1)
+	}
+
+	if cfgFile.Modules == nil || len(cfgFile.Modules) == 0 {
+		fmt.Fprintln(os.Stderr, "No modules in config")
+		os.Exit(1)
+	}
+
+	cfgFile.UpdateCfgWithDefaults()
+
+	c.packageList = packageList.NewPackageList(cfgFile.Host, cfgFile.Modules)
+}
diff --git a/pkg/configuration/file/file.go b/pkg/configuration/file/file.go
new file mode 100644
index 0000000..efaf44d
--- /dev/null
+++ b/pkg/configuration/file/file.go
@@ -0,0 +1,72 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package file
+
+import "git.kle.li/tools/go-import-redirector/pkg/constants"
+
+type CfgFile struct {
+	Host     string
+	Defaults *Defaults
+	Modules  []*Module
+}
+
+type Defaults struct {
+	SourceType string
+	VcsType    string
+	Branch     string
+}
+
+type Module struct {
+	Path       string
+	Repo       string
+	VcsType    string
+	SourceType string
+	// Branch is used to build the file and directory URLs for the automated modes
+	Branch string
+	// see https://github.com/golang/gddo/wiki/Source-Code-Links for home, direcory and file
+	HomeURL      string
+	DirectoryURL string
+	FileURL      string
+	Title        string
+}
+
+func (d *Defaults) applyGlobalDefaults() {
+	if d.Branch == "" {
+		d.Branch = constants.DefaultBranch
+	}
+
+	if d.SourceType == "" {
+		d.SourceType = constants.DefaultSourceType
+	}
+
+	if d.VcsType == "" {
+		d.VcsType = constants.DefaultVcs
+	}
+}
+
+func (m *Module) applyDefaults(d *Defaults) {
+	if m.Branch == "" {
+		m.Branch = d.Branch
+	}
+
+	if m.VcsType == "" {
+		m.VcsType = d.VcsType
+	}
+
+	if m.SourceType == "" {
+		m.SourceType = d.SourceType
+	}
+}
+
+func (c *CfgFile) UpdateCfgWithDefaults() {
+	if c.Defaults == nil {
+		c.Defaults = &Defaults{}
+	}
+
+	c.Defaults.applyGlobalDefaults()
+
+	for _, m := range c.Modules {
+		m.applyDefaults(c.Defaults)
+	}
+}
diff --git a/pkg/constants/constants.go b/pkg/constants/constants.go
new file mode 100644
index 0000000..541e9c9
--- /dev/null
+++ b/pkg/constants/constants.go
@@ -0,0 +1,8 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package constants
+
+const DefaultBranch string = "main"
+const DefaultVcs string = "git"
+const DefaultSourceType string = "manual"
diff --git a/pkg/packageList/packageList.go b/pkg/packageList/packageList.go
new file mode 100644
index 0000000..5fae556
--- /dev/null
+++ b/pkg/packageList/packageList.go
@@ -0,0 +1,175 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package packageList
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"git.kle.li/tools/go-import-redirector/pkg/configuration/file"
+)
+
+type PackageList struct {
+	packages map[string]*Package
+	host     string
+}
+
+func NewPackageList(host string, modules []*file.Module) *PackageList {
+	pl := &PackageList{
+		packages: map[string]*Package{},
+		host:     host,
+	}
+	for _, m := range modules {
+		pl.addNewPackage(m)
+	}
+
+	return pl
+}
+
+type Package struct {
+	Path, Import, Source, Repo, Home, Title string
+}
+
+func newPackage(m *file.Module, host string) *Package {
+	p := &Package{
+		Path: m.Path,
+		Repo: m.Repo,
+	}
+
+	p.genValues(m, host)
+
+	return p
+}
+
+func (pl *PackageList) addNewPackage(m *file.Module) {
+	p := newPackage(m, pl.host)
+	pl.packages[p.Path] = p
+}
+
+func (p *Package) genValues(m *file.Module, host string) {
+
+	p.Import = host + m.Path + " " + m.VcsType + " " + m.Repo
+
+	if m.Title == "" {
+		p.Title = "Package " + host + p.Path
+	} else {
+		p.Title = m.Title
+	}
+
+	switch strings.ToLower(m.SourceType) {
+	case "forgejo":
+		m.DirectoryURL = m.Repo + "/src/branch/" + m.Branch + "{/dir}"
+		m.FileURL = m.DirectoryURL + "/{file}#L{line}"
+	case "github":
+		m.DirectoryURL = m.Repo + "/tree/" + m.Branch + "{/dir}"
+		m.FileURL = m.DirectoryURL + "/{file}#L{line}"
+	case "gitlab":
+		m.DirectoryURL = m.Repo + "/-/tree/" + m.Branch + "{/dir}"
+		m.FileURL = m.Repo + "/-/blob/" + m.Branch + "{/dir}" + "/{file}#L{line}"
+	case "manual":
+		p.Home = m.HomeURL
+		p.buildSourceString(m, host)
+		return
+	default:
+		return
+	}
+
+	// handle generic auto settings...
+	if m.HomeURL == "" {
+		m.HomeURL = m.Repo
+	}
+	p.Home = m.HomeURL
+	p.buildSourceString(m, host)
+}
+
+func (p *Package) buildSourceString(m *file.Module, host string) {
+	if isNonValue(m.HomeURL) && isNonValue(m.DirectoryURL) && isNonValue(m.FileURL) {
+		return
+	}
+
+	if m.HomeURL == "" {
+		m.HomeURL = "_"
+	}
+
+	if m.DirectoryURL == "" {
+		m.DirectoryURL = "_"
+	}
+
+	if m.FileURL == "" {
+		m.FileURL = "_"
+	}
+
+	p.Source = host + m.Path + " " + m.HomeURL + " " + m.DirectoryURL + " " + m.FileURL
+}
+
+func isNonValue(s string) bool {
+	s = strings.TrimSpace(s)
+	if s == "" || s == "_" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func (p *Package) String() string {
+	return fmt.Sprintf("\nPath: %v\nTitle: %v\nRepo: %v\nHome: %v\nImport: %v\nSource: %v\n", p.Path, p.Title, p.Repo, p.Home, p.Import, p.Source)
+}
+
+func (pl *PackageList) GetPackages() map[string]*Package {
+	return pl.packages
+}
+
+func (pl *PackageList) GetHost() string {
+	return pl.host
+}
+
+func (pl *PackageList) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.Host != pl.host {
+		http.NotFound(w, r)
+		return
+	}
+
+	if r.URL.Path == "/" {
+		if pkg, ok := pl.GetMostSpecificPackage(""); ok {
+			indexTmpl.Execute(w, map[string]interface{}{
+				"host": pl.host,
+				"pkgs": pl.packages,
+				"pkg":  pkg,
+			})
+			return
+		} else {
+			indexTmpl.Execute(w, map[string]interface{}{
+				"host": pl.host,
+				"pkgs": pl.packages,
+			})
+			return
+		}
+	} else {
+		fmt.Println("Path is " + r.URL.Path)
+		if pkg, ok := pl.GetMostSpecificPackage(r.URL.Path); ok {
+			pkgTmpl.Execute(w, map[string]interface{}{
+				"pkg": pkg,
+			})
+			return
+		} else {
+			http.NotFound(w, r)
+			return
+		}
+	}
+}
+
+func (pl *PackageList) GetMostSpecificPackage(path string) (*Package, bool) {
+	if p, ok := pl.packages[path]; ok {
+		return p, ok
+	}
+
+	for segment := path; segment != ""; segment = segment[:strings.LastIndex(segment, "/")] {
+		if p, ok := pl.packages[segment]; ok {
+			return p, ok
+		}
+	}
+
+	return nil, false
+}
diff --git a/pkg/packageList/templates.go b/pkg/packageList/templates.go
new file mode 100644
index 0000000..213fcf4
--- /dev/null
+++ b/pkg/packageList/templates.go
@@ -0,0 +1,62 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package packageList
+
+import "html/template"
+
+var (
+	indexTmpl = template.Must(template.New("index").Parse(indexView))
+	pkgTmpl   = template.Must(template.New("pkg").Parse(pkgView))
+)
+
+const indexView = `
+<html>
+	<head>
+		{{if .pkg}}
+			<meta name="go-import" content="{{.pkg.Import}}">
+			{{if .pkg.Source}}
+			<meta name="go-source" content="{{.pkg.Source}}">
+			{{end}}
+		{{end}}
+		<title>Go Import Redirector - Packages</title>
+	</head>
+	<body>
+		{{if .pkg}}
+			<h1>{{.pkg.Title}}</h1>
+			<span style="font-weight: bold">Repo-Root:</span> {{.pkg.Repo}}<br>
+			{{if .pkg.Home}}
+			<span style="font-weight: bold">Home / Docs:</span> <a href="{{.pkg.Home}}">{{.pkg.Home}}</a><br>
+			{{end}}
+			<h2>Other Packages</h2>
+		{{else}}
+			<h1>Packages</h1>
+		{{end}}
+		<ul>
+			{{$host := .host}}
+			{{range .pkgs}}
+				<li><a href="{{.Path}}">{{$host}}{{.Path}}</a></li>
+			{{end}}
+		</ul>
+	</body>
+</html>
+`
+
+const pkgView = `
+<html>
+	<head>
+		<meta name="go-import" content="{{.pkg.Import}}">
+        {{if .pkg.Source}}
+        <meta name="go-source" content="{{.pkg.Source}}">
+        {{end}}
+		<title>{{.pkg.Title}}</title>
+	</head>
+	<body>
+		<h1>{{.pkg.Title}}</h1>
+		<span style="font-weight: bold">Repo-Root:</span> {{.pkg.Repo}}<br>
+        {{if .pkg.Home}}
+        <span style="font-weight: bold">Home / Docs:</span> <a href="{{.pkg.Home}}">{{.pkg.Home}}</a><br>
+        {{end}}
+	</body>
+</html>
+`
diff --git a/pkg/server/server.go b/pkg/server/server.go
new file mode 100644
index 0000000..1338208
--- /dev/null
+++ b/pkg/server/server.go
@@ -0,0 +1,64 @@
+// Copyright 2023 Michael Amann and contributors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+package server
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"sync"
+	"time"
+
+	"git.kle.li/tools/go-import-redirector/pkg/packageList"
+)
+
+type Server struct {
+	srv  *http.Server
+	wg   *sync.WaitGroup
+	bind string
+	pkgs *packageList.PackageList
+}
+
+func New(bind string) *Server {
+	s := &Server{
+		wg:   &sync.WaitGroup{},
+		bind: bind,
+	}
+	return s
+}
+
+func (s *Server) startHttpServer() {
+	s.srv = &http.Server{Addr: s.bind}
+	http.DefaultServeMux = new(http.ServeMux)
+	http.HandleFunc("/", s.pkgs.ServeHTTP)
+	go func() {
+		defer s.wg.Done() // let main know we are done cleaning up
+
+		// always returns error. ErrServerClosed on graceful close
+		if err := s.srv.ListenAndServe(); err != http.ErrServerClosed {
+			// unexpected error. port in use?
+			log.Fatalf("ListenAndServe(): %v", err)
+		}
+	}()
+}
+
+func (s *Server) Restart(pkgs *packageList.PackageList) {
+	s.Shutdown()
+	s.Start(pkgs)
+}
+
+func (s *Server) Start(pkgs *packageList.PackageList) {
+	s.pkgs = pkgs
+	s.wg.Add(1)
+	s.startHttpServer()
+}
+
+func (s *Server) Shutdown() {
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	if err := s.srv.Shutdown(ctx); err != nil {
+		panic(err) // failure/timeout shutting down the server gracefully
+	}
+	s.wg.Wait()
+}