こんにちは。
数週間前に phpbb をやめて discourse に移行しました。
Ubuntu 22.04 の Raspberry Pi にインストールしました。
Apache の後ろで動作させるのに数回試行錯誤した後、Nginx を使うことにしました。（サーバーで複数の小さなウェブサイトを実行する必要があるため…）
しかし、このチュートリアル Run other websites on the same machine as Discourse に従ったところ、Nginx のログに
connect() to unix:/var/discourse/shared/standalone/nginx.http.sock failed (2: No such file or directory)
というエラーが出て、Bad gateway エラーが発生しました。
この問題に直面したのは私が初めてではありません。古いスレッドもいくつかありますが、 Nginx.http.sock never created のようなスレッドは適切な回答を得られていません。
Nginx（と Docker）を数回再起動しましたが、どこかで DOCKER_USE_HOSTNAME: true を設定する必要があるという情報を見て、/var/discourse/shared/standalone に対して chmod -R 777 を実行しました。
私はこの分野の専門家ではありませんが、過去25年間、サーバーで様々なプログラムを実行してきました（Docker はかなり新しいです）。どなたか手助けしていただければ幸いです。
よろしくお願いします。
PS. 私の yml ファイルです。
## 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.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:
#- "8080:80" # 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: 3
## TODO: The domain name this Discourse instance will respond to
## Required. Discourse will not work with a bare IP number.
DISCOURSE_HOSTNAME: 'my.attented_adress.com'
## 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: 'myemail@adress.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: this_is_set
DISCOURSE_SMTP_PORT: 587
DISCOURSE_SMTP_USER_NAME: this_is_set
DISCOURSE_SMTP_PASSWORD: this_is_set
DISCOURSE_SMTP_ENABLE_START_TLS: true # (optional, default true)
#DISCOURSE_SMTP_DOMAIN: discourse.example.com # (required by some providers)
#DISCOURSE_NOTIFICATION_EMAIL: noreply@discourse.example.com # (address to send notifications from)
## If you added the Lets Encrypt template, uncomment below to get a free SSL certificate
#LETSENCRYPT_ACCOUNT_EMAIL: me@example.com
## 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='info@unconfigured.discourse.org'"
- exec: echo "End of custom commands"