Expose submissions in API
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parent
e29990a29a
commit
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177
main.go
177
main.go
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@ -3,6 +3,7 @@ package main
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import (
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"bufio"
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"encoding/csv"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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@ -11,6 +12,7 @@ import (
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"os"
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"path"
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"path/filepath"
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"strings"
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"time"
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)
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@ -29,39 +31,160 @@ func Serve(w http.ResponseWriter, r *http.Request) {
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<title>` + title + `</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
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<style>.table > tbody > tr > th, .table > tbody > tr > td { vertical-align: middle; }
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td.danger { text-align: center; }
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</style>
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<script type="text/javascript">
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function disp(rendus) {
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Object.keys(rendus).map(function(login) {
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student = rendus[login];
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var row = document.createElement("tr");
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var col = document.createElement("th");
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col.innerHTML = login;
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row.appendChild(col);
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Object.keys(student).map(function(wn) {
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work = student[wn];
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if (work) {
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var col = document.createElement("td");
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col.className = "success";
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col.innerHTML = work["date"] + "<br>" + work["hash"];
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row.appendChild(col);
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} else {
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var col = document.createElement("td");
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col.className = "danger";
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col.innerHTML = "<span class=\"glyphicon glyphicon-remove\" aria-hidden=\"true\"></span>";
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row.appendChild(col);
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}
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});
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document.getElementById("students").appendChild(row);
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});
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Object.keys(student).map(function(wn) {
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var col = document.createElement("th");
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col.innerHTML = wn;
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document.getElementById("head").appendChild(col);
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});
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}
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</script>
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</head>
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<body class="container">
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<h1>` + title + `</h1>
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<table class="table table-striped table-hover table-condensed">`))
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if dirs, err := ioutil.ReadDir(rendusDir); err == nil {
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w.Write([]byte(`<thead><tr><td></td>`))
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for _, dir := range dirs {
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if dir.IsDir() {
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w.Write([]byte(`<th>` + dir.Name() + `</th>`))
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}
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}
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w.Write([]byte(`</tr></thead><tbody>`))
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for _, student := range students {
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login := student[2]
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w.Write([]byte(`<tr><th>` + login + `</th>`))
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for _, dir := range dirs {
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if dir.IsDir() {
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if fi, err := os.Stat(path.Join(rendusDir, dir.Name(), login)); err == nil {
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w.Write([]byte(`<td class="success">` + fi.ModTime().Format(time.UnixDate) + `</td>`))
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} else {
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w.Write([]byte(`<td class="danger"><span class="glyphicon glyphicon-remove" aria-hidden="true"></span></td>`))
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}
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}
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}
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w.Write([]byte(`</tr>`))
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}
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}
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w.Write([]byte(` </tbody></table>
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<table class="table table-striped table-hover table-condensed">
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<thead>
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<tr id="head"><th></th></tr>
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</thead>
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<tbody id="students">
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</tbody>
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</table>
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<script src="rendus.json?func=disp"></script>
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</body>
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</html>
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`))
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}
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func genStudents() map[string]map[string]*Submission {
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ret := map[string]map[string]*Submission{}
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for _, student := range students {
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login := student[2]
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ret[login] = genStudent(login)
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}
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return ret
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}
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func ServeJSON(w http.ResponseWriter, r *http.Request) {
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log.Printf("Handling %s request from %s: %s [%s]\n", r.Method, r.RemoteAddr, r.URL.Path, r.UserAgent())
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q := r.URL.Query()
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varname := q.Get("var")
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funcname := q.Get("func")
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if funcname == "" && varname == "" {
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w.Header().Set("Content-Type", "application/json")
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} else {
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w.Header().Set("Content-Type", "application/javascript")
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}
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if j, err := json.Marshal(genStudents()); err != nil {
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http.Error(w, fmt.Sprintf("{errmsg:%q}", err), http.StatusInternalServerError)
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} else {
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w.WriteHeader(http.StatusOK)
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if varname != "" {
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w.Write([]byte("var "))
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w.Write([]byte(varname))
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w.Write([]byte(" = "))
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}
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if funcname != "" {
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w.Write([]byte(funcname))
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w.Write([]byte("("))
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}
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w.Write(j)
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if funcname != "" {
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w.Write([]byte(")"))
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} else if varname != "" {
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w.Write([]byte(";"))
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}
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}
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}
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type Submission struct {
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Date time.Time `json:"date"`
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Hash string `json:"hash"`
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}
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func genStudent(login string) map[string]*Submission {
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ret := map[string]*Submission{}
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if dirs, err := ioutil.ReadDir(rendusDir); err == nil {
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for _, dir := range dirs {
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if dir.IsDir() {
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p := path.Join(rendusDir, dir.Name(), login)
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if fi, err := os.Stat(p); err == nil {
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ret[dir.Name()] = new(Submission)
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ret[dir.Name()].Date = fi.ModTime()
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if lnk, err := os.Readlink(p); err == nil {
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ret[dir.Name()].Hash = strings.TrimPrefix(lnk, login + ".")
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}
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} else {
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ret[dir.Name()] = nil
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}
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}
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}
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}
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return ret
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}
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func ServeJSONStudent(w http.ResponseWriter, r *http.Request) {
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log.Printf("Handling %s request from %s: %s [%s]\n", r.Method, r.RemoteAddr, r.URL.Path, r.UserAgent())
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w.Header().Set("Content-Type", "application/json")
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login := strings.TrimSuffix(strings.TrimPrefix(r.URL.Path, "/"), ".json")
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q := r.URL.Query()
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varname := q.Get("var")
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if j, err := json.Marshal(genStudent(login)); err != nil {
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http.Error(w, fmt.Sprintf("{errmsg:%q}", err), http.StatusInternalServerError)
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} else {
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w.WriteHeader(http.StatusOK)
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if varname != "" {
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w.Write([]byte("var "))
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w.Write([]byte(varname))
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w.Write([]byte(" = "))
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}
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w.Write(j)
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if varname != "" {
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w.Write([]byte(";"))
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}
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}
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}
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func main() {
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var studentsFile string
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@ -105,6 +228,10 @@ func main() {
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log.Println("Registering handlers...")
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http.HandleFunc("/", Serve)
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http.HandleFunc("/rendus.json", ServeJSON)
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for _, student := range students {
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http.HandleFunc("/" + student[2] + ".json", ServeJSONStudent)
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}
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log.Println(fmt.Sprintf("Ready, listening on %s", *bind))
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if err := http.ListenAndServe(*bind, nil); err != nil {
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log.Fatal("Unable to listen and serve: ", err)
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