---
title: "Discussion on \"postgres의 user, password 변경 후 \ndocker-compose up 발생한 인증 에러\" | Hashnode"
description: "Discussion on \"postgres의 user, password 변경 후 \ndocker-compose up 발생한 인증 에러\". 문제 상황\n\n.env 파일에서 POSTGRES_USER, POSTGRES_PASSWORD 값을 수정함\n\ndocker-compose build, docker-compose up으로 컨테이너 재시작 했더니 아래의 에러 발생\n\n\npsycopg2.OperationalError: connection to server at \"db\" (----), port 5432 failed: FATAL:  password authentication failed for ..."
url: "https://hashnode.com/posts/postgres-user-password-docker-compose-up/6790db590bd704159fb7352a"
---

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# [postgres의 user, password 변경 후  docker-compose up 발생한 인증 에러](https://yeonnan.hashnode.dev/postgres-user-password-docker-compose-up?utm_source=hashnode&utm_medium=feed)

문제 상황 .env 파일에서 POSTGRES\_USER, POSTGRES\_PASSWORD 값을 수정함 docker-compose build, docker-compose up으로 컨테이너 재시작 했더니 아래의 에러 발생 psycopg2.OperationalError: connection to server at "db" (----), port 5432 failed: FATAL: password authentication failed for ...

Jan 22, 2025 · 1 min read · yeonnan.hashnode.dev  
Updated Mar 14, 2025  
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[Dayeon](https://hashnode.com/@yeonan)

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