我在服务器上首次安装 discourse 时遇到错误
Ubuntu 22.04 LTS
Discourse 最新 GitHub 版本
2GB 内存
2GB 交换空间
错误
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
原因
这是我在服务器上的第一次安装，但我因为其他错误（如 https://meta.discourse.org/t/my-server-can-access-github-but-docker-cant/267470/2）多次重建应用失败。
我不知道何时创建了数据库，也不知道如何修复它。
我的 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#