[오류] AWS- Elastic Beanstalk 502 Bad Gatway 해결방법

🔍 ISSUE

AWS- Elastic Beanstalk 배포 방법 참조 링크

🔨 시도한 것들

• 나의 경우 파이써썬의 flask 프레임 워크를 사용해서 서버를 구축했다.
• EB환경 설정이 제대로 되지 않아 발생하는 문제 같았다.
• 배포 경로를 꼭 확인! (venv가상폴더)

from flask import Flask, render_template, request, jsonify
application = app = Flask(__name__)

from pymongo import MongoClient
import certifi
ca = certifi.where()
client = MongoClient('mongodb+srv://sparta:test@cluster0.p77xisx.mongodb.net/?retryWrites=true&w=majority', tlsCAFile=ca)
db = client.dbsparta


@app.route('/')
def home():
    return render_template('index.html')

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form['bucket_give']

    bucket_list = list(db.bucket.find({}, {'_id': False}))
    count = len(bucket_list) + 1

    doc = {
        'num': count,
        'bucket': bucket_receive,
        'done': 0
    }

    db.bucket.insert_one(doc)

    return jsonify({'msg': '버킷 기록 했음!!!'})




@app.route("/bucket/done", methods=["POST"])
def bucket_done():
    num_receive = request.form['num_give']

    db.bucket.update_one({'num': int(num_receive)}, {'$set': {'done': 1}})


    return jsonify({'msg': '버킷을 달성! ㅊㅊ'})





@app.route("/bucket", methods=["GET"])
def bucket_get():
    bucket_list = list(db.bucket.find({}, {'_id': False}))

    return jsonify({'buckets': bucket_list})




if __name__ == '__main__':
   app.run()

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
      integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

<link href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap" rel="stylesheet">

<title>버킷리스트</title>

<style>
    * {
        font-family: 'Gowun Dodum', sans-serif;
    }

    .mypic {
        width: 100%;
        height: 200px;

        background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1601024445121-e5b82f020549?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1189&q=80');
        background-position: center;
        background-size: cover;

        color: white;

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .mypic > h1 {
        font-size: 30px;
    }

    .mybox {
        width: 95%;
        max-width: 700px;
        padding: 20px;
        box-shadow: 0px 0px 10px 0px lightblue;
        margin: 20px auto;
    }

    .mybucket {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .mybucket > input {
        width: 70%;
    }

    .mybox > li {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;

        margin-bottom: 10px;
        min-height: 48px;
    }

    .mybox > li > h2 {
        max-width: 75%;
        font-size: 20px;
        font-weight: 500;
        margin-right: auto;
        margin-bottom: 0px;
    }
    #footer {
    background-color: #f8f9fa;
    padding: 20px;
    text-align: center;
}

#footer p {
    margin: 0;
    font-size: 14px;
    color: #777;
}
   
</style>

<li>
    <h2>✅ 탈주닌자🥷❌</h2>
    <!-- <button onclick="done_bucket(5)" type="button" class="btn btn-outline-primary">완료!</button>
</li>

💡 인사이트

• 사실 원인찾기가 어려워서 처음부터 배포 했다.
• 가장 유력한 이유는 배포 할 폴더의 경로에 문제가 생긴 것 같다.