drn61317
2019-07-08 13:52
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在heroku上部署golang应用程序,构建成功但应用程序错误

My golang app runs on port 9000 at my localhost. After deploying it at heroku using godep support, i was able to push and deploy at heroku. However when i try to access the endpoint e.g '/', it shows Application Error. You can see below my code and log while deploying at heroku

package main

import (
    "log"
    "fmt"
    "net/http"
    "os"

    "github.com/gorilla/mux"
    "github.com/gorilla/context"

    "gopkg.in/paytm/grace.v1"

    // utilhttp "bitbucket.org/michaelchandrag/chit/pkg/util/http"
    // util "bitbucket.org/michalechandrag/chit/pkg/util"
)

func main() {
    log.Println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ CHIT STARTED $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$")
    log.Println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$")

    muxRouter := mux.NewRouter()

    muxRouter.HandleFunc("/", Articles)
    http.Handle("/", muxRouter)

    // err = grace.Serve(":"+cfg.Server.Port, context.ClearHandler(http.DefaultServeMux))
    err := grace.Serve(":9000", context.ClearHandler(http.DefaultServeMux))
    if err != nil {
        log.Println("[ERROR GRACEFUL]", err)
        os.Exit(1)
    }

    os.Exit(0)
}

func Articles(w http.ResponseWriter, r *http.Request) {
    // vars := mux.Vars(r)
    w.WriteHeader(http.StatusOK)
    fmt.Fprintf(w, "Hello")
    // r.Close = true
    // w.Header().Set("Content-Type", "application/json")
    // w.Header().Set("Access-Control-Allow-Origin", "*")

    /*if r.Method == "OPTIONS" {
        w.WriteHeader(http.StatusOK)
        return
    }

    if err := fn(w, r); err != nil {
        log.Println(err)
        apiObject := ConstructAPIError(http.StatusInternalServerError, ErrGeneral, SysMsgErrGeneral, MsgErrGeneral)
        SendAPIObject(w, apiObject)
        return
    }*/
}

heroku logs while deploying

-----> Go app detected
-----> Fetching jq... done
-----> Fetching stdlib.sh.v8... done
-----> Checking Godeps/Godeps.json file.
-----> New Go Version, clearing old cache
-----> Installing go1.12.6
-----> Fetching go1.12.6.linux-amd64.tar.gz... done
-----> Running: go install -v -tags heroku ./... 
bitbucket.org/michaelchandrag/chit/pkg
bitbucket.org/michaelchandrag/chit/vendor/github.com/gorilla/context
bitbucket.org/michaelchandrag/chit/vendor/github.com/gorilla/mux
bitbucket.org/michaelchandrag/chit/vendor/gopkg.in/tylerb/graceful.v1
bitbucket.org/michaelchandrag/chit/vendor/gopkg.in/paytm/grace.v1
bitbucket.org/michaelchandrag/chit/pkg/util
bitbucket.org/michaelchandrag/chit

       Installed the following binaries:
            ./bin/chit
-----> Discovering process types
       Procfile declares types -> web
-----> Compressing...
       Done: 7.5M
-----> Launching...
       Released v3
       https://michaelchandrag-project.herokuapp.com/ deployed to Heroku

app logs before and after access endpoint

2:47.954106+00:00 heroku[web.1]: Starting process with command `chit`
2019-07-08T05:02:49.413453+00:00 app[web.1]: 2019/07/08 05:02:49 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ CHIT STARTED $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
2019-07-08T05:02:49.413476+00:00 app[web.1]: 2019/07/08 05:02:49 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
2019-07-08T05:02:49.413647+00:00 app[web.1]: 2019/07/08 05:02:49 starting serve on  :9000
2019-07-08T05:03:48.131507+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2019-07-08T05:03:48.131595+00:00 heroku[web.1]: Stopping process with SIGKILL
2019-07-08T05:03:48.214979+00:00 heroku[web.1]: State changed from starting to crashed
2019-07-08T05:03:48.193205+00:00 heroku[web.1]: Process exited with status 137
2019-07-08T10:38:59.721224+00:00 heroku[web.1]: State changed from crashed to starting
2019-07-08T10:39:00.359017+00:00 heroku[web.1]: Starting process with command `chit`
2019-07-08T10:39:02.232435+00:00 app[web.1]: 2019/07/08 10:39:02 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ CHIT STARTED $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
2019-07-08T10:39:02.232458+00:00 app[web.1]: 2019/07/08 10:39:02 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
2019-07-08T10:39:02.232583+00:00 app[web.1]: 2019/07/08 10:39:02 starting serve on  :9000
2019-07-08T10:40:00.462841+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2019-07-08T10:40:00.462974+00:00 heroku[web.1]: Stopping process with SIGKILL
2019-07-08T10:40:00.555959+00:00 heroku[web.1]: Process exited with status 137
2019-07-08T10:40:00.573427+00:00 heroku[web.1]: State changed from starting to crashed
2019-07-08T13:33:25.021835+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=michaelchandrag-project.herokuapp.com request_id=e6b5c93a-7177-4080-9858-ed925a20c513 fwd="36.74.35.162" dyno= connect= service= status=503 bytes= protocol=https
2019-07-08T13:33:25.566036+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=michaelchandrag-project.herokuapp.com request_id=35c741a9-be4d-48f6-ba99-ba24ddc58b9b fwd="36.74.35.162" dyno= connect= service= status=503 bytes= protocol=https
2019-07-08T13:48:38.294082+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=michaelchandrag-project.herokuapp.com request_id=57a3a243-58f4-4efe-b478-eb660d84fe1f fwd="36.74.35.162" dyno= connect= service= status=503 bytes= protocol=https
2019-07-08T13:48:38.616077+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=michaelchandrag-project.herokuapp.com request_id=0687b8a8-86ae-4c49-a37f-9cbf9e0f75de fwd="36.74.35.162" dyno= connect= service= status=503 bytes= protocol=https

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