createdb: 오류: 데이터베이스 생성 실패: 오류: 데이터베이스 "discourse"가 이미 존재합니다

서버에 처음 Discourse를 설치하는 과정에서 오류가 발생했습니다.
Ubuntu 22.04LTS
Discourse 최신 GitHub 버전
2GB 메모리
2GB 스왑

오류


2023-06-08 01:19:04.972 UTC [55] postgres@template1 ERROR:  database "discourse" already exists
2023-06-08 01:19:04.972 UTC [55] postgres@template1 STATEMENT:  CREATE DATABASE discourse;
createdb: error: database creation failed: ERROR:  database "discourse" already exists
I, [2023-06-08T01:19:04.977485 #1]  INFO -- : 
I, [2023-06-08T01:19:04.978414 #1]  INFO -- : > su postgres -c 'psql discourse -c "create user discourse;"' || true
2023-06-08 01:19:05.654 UTC [59] postgres@discourse ERROR:  role "discourse" already exists
2023-06-08 01:19:05.654 UTC [59] postgres@discourse STATEMENT:  create user discourse;
ERROR:  role "discourse" already exists

원인

서버에서의 첫 설치인데, My server can access github, but docker can't - #2 by whitewaterdeu 와 같은 다른 오류들로 인해 여러 번 애플리케이션 재빌드를 시도했습니다.

데이터베이스를 언제 생성했는지 모르겠으며, 어떻게 수정해야 할지 막막합니다.

제 app.yml

root@cvm-3k8ngdw25i225:/var/discourse# cat containers/app.yml
## this is the all-in-one, standalone Discourse Docker container template
##
## After making changes to this file, you MUST rebuild
## /var/discourse/launcher rebuild app
##
## BE *VERY* CAREFUL WHEN EDITING!
## YAML FILES ARE SUPER SUPER SENSITIVE TO MISTAKES IN WHITESPACE OR ALIGNMENT!
## visit http://www.yamllint.com/ to validate this file as needed

templates:
  - "templates/postgres.template.yml"
  - "templates/redis.template.yml"
  # - "templates/web.china.template.yml"
  - "templates/web.template.yml"
  ## Uncomment the next line to enable the IPv6 listener
  #- "templates/web.ipv6.template.yml"
  - "templates/web.ratelimited.template.yml"
  ## Uncomment these two lines if you wish to add Lets Encrypt (https)
  - "templates/web.ssl.template.yml"
  - "templates/web.letsencrypt.ssl.template.yml"

## which TCP/IP ports should this container expose?
## If you want Discourse to share a port with another webserver like Apache or nginx,
## see https://meta.discourse.org/t/17247 for details
expose:
  - "80:80"   # http
  - "443:443" # https

params:
  db_default_text_search_config: "pg_catalog.english"

  ## Set db_shared_buffers to a max of 25% of the total memory.
  ## will be set automatically by bootstrap based on detected RAM, or you can override
  db_shared_buffers: "256MB"

  ## can improve sorting performance, but adds memory usage per-connection
  #db_work_mem: "40MB"

  ## Which Git revision should this container use? (default: tests-passed)
  #version: tests-passed

env:
  LC_ALL: en_US.UTF-8
  LANG: en_US.UTF-8
  LANGUAGE: en_US.UTF-8
  # DISCOURSE_DEFAULT_LOCALE: en

  ## How many concurrent web requests are supported? Depends on memory and CPU cores.
  ## will be set automatically by bootstrap based on detected CPUs, or you can override
  UNICORN_WORKERS: 4

  ## TODO: The domain name this Discourse instance will respond to
  ## Required. Discourse will not work with a bare IP number.
  DISCOURSE_HOSTNAME: discuss.beginner.center

  ## Uncomment if you want the container to be started with the same
  ## hostname (-h option) as specified above (default "$hostname-$config")
  #DOCKER_USE_HOSTNAME: true

  ## TODO: List of comma delimited emails that will be made admin and developer
  ## on initial signup example 'user1@example.com,user2@example.com'
  DISCOURSE_DEVELOPER_EMAILS: 'whitewatercn@outlook.com'

  ## TODO: The SMTP mail server used to validate new accounts and send notifications
  # SMTP ADDRESS, username, and password are required
  # WARNING the char '#' in SMTP password can cause problems!
  DISCOURSE_SMTP_ADDRESS: smtp.mailgun.org
  DISCOURSE_SMTP_PORT: 587
  DISCOURSE_SMTP_USER_NAME: notification@mg.beinner.center
  DISCOURSE_SMTP_PASSWORD: "my smtp password"
  #DISCOURSE_SMTP_ENABLE_START_TLS: true           # (optional, default true)
  DISCOURSE_SMTP_DOMAIN: mg.beinner.center
  DISCOURSE_NOTIFICATION_EMAIL: notification@mg.beinner.center

  ## If you added the Lets Encrypt template, uncomment below to get a free SSL certificate
  LETSENCRYPT_ACCOUNT_EMAIL: notification@mg.beinner.center

  ## The http or https CDN address for this Discourse instance (configured to pull)
  ## see https://meta.discourse.org/t/14857 for details
  #DISCOURSE_CDN_URL: https://discourse-cdn.example.com
  
  ## The maxmind geolocation IP address key for IP address lookup
  ## see https://meta.discourse.org/t/-/137387/23 for details
  #DISCOURSE_MAXMIND_LICENSE_KEY: 1234567890123456

## The Docker container is stateless; all data is stored in /shared
volumes:
  - volume:
      host: /var/discourse/shared/standalone
      guest: /shared
  - volume:
      host: /var/discourse/shared/standalone/log/var-log
      guest: /var/log

## Plugins go here
## see https://meta.discourse.org/t/19157 for details
hooks:
  after_code:
    - exec:
        cd: $home/plugins
        cmd:
          - git clone https://github.com/discourse/docker_manager.git

## Any custom commands to run after building
run:
  - exec: echo "Beginning of custom commands"
  ## If you want to set the 'From' email address for your first registration, uncomment and change:
  ## After getting the first signup email, re-comment the line. It only needs to run once.
  - exec: rails r "SiteSetting.notification_email='notification@mg.beinner.center'"
  - exec: echo "End of custom commands"
root@cvm-3k8ngdw25i225:/var/discourse# 

전체 로그

이상하네요. 그런 일이 일어날 수 있다고 보기 어렵습니다. 해당 오류는 코드가 커밋될 때 이미 잡혔어야 하니까요. 일단 다시 빌드를 시도해 보세요.

unsupported-install 태그가 선택되어 있는 것을 봤는데, 제 눈에는 표준 설치 환경으로 보입니다.

답장 감사합니다, jay

로그 전체에서 오류 줄을 검색해 봤는데, 아마도 아래 내용 때문에 생긴 것 같습니다.

2023-06-08 01:19:04.972 UTC [55] postgres@template1 ERROR:  database "discourse" already exists
2023-06-08 01:19:04.972 UTC [55] postgres@template1 STATEMENT:  CREATE DATABASE discourse;
createdb: error: database creation failed: ERROR:  database "discourse" already exists
I, [2023-06-08T01:19:04.977485 #1]  INFO -- : 
I, [2023-06-08T01:19:04.978414 #1]  INFO -- : > su postgres -c 'psql discourse -c "create user discourse;"' || true
2023-06-08 01:19:05.654 UTC [59] postgres@discourse ERROR:  role "discourse" already exists
2023-06-08 01:19:05.654 UTC [59] postgres@discourse STATEMENT:  create user discourse;
ERROR:  role "discourse" already exists

서버에서 처음 설치하는 건데, 다른 오류들(예: My server can access github, but docker can’t - #2 by whitewaterdeu) 때문에 여러 번 앱을 재빌드했습니다.

데이터베이스를 언제 생성했는지 모르겠고, 어떻게 수정해야 할지도 모르겠습니다.

처음부터 새로 시작하는 경우라면 다음을 실행할 수 있습니다.

rm -rf shared/standalone

또한 Let’s Encrypt의 요청 제한(rate limit) 문제에 직면할 가능성이 높습니다. 가장 쉬운 해결 방법은 다른 문제를 해결한 후 새로운 서브도메인을 선택하는 것입니다.

아, 이제 웹 중국 템플릿이 주석 처리되어 있는 것을 확인했습니다. 그걸 사용해야 하지 않나요?

이 문제를 해결할 수 있었나요? 비슷한 오류가 발생했습니다.


I, [2023-07-12T20:27:26.203859 #1]  INFO -- : > su postgres -c 'createdb discourse' || true
2023-07-12 20:27:26.398 UTC [55] postgres@postgres ERROR:  database "discourse" already exists
2023-07-12 20:27:26.398 UTC [55] postgres@postgres STATEMENT:  CREATE DATABASE discourse;
createdb: error: database creation failed: ERROR:  database "discourse" already exists
I, [2023-07-12T20:27:26.423480 #1]  INFO -- : 
I, [2023-07-12T20:27:26.423858 #1]  INFO -- : > su postgres -c 'psql discourse -c "create user discourse;"' || true
2023-07-12 20:27:26.599 UTC [59] postgres@discourse ERROR:  role "discourse" already exists
2023-07-12 20:27:26.599 UTC [59] postgres@discourse STATEMENT:  create user discourse;
ERROR:  role "discourse" already exists

우리의 스크립트는 정상적으로 작동하고 있었습니다…

이 오류는 문제가 아니므로 무시하셔도 됩니다.