Q&A
docker初学者です。
Docker+Rails6+Puma+Nginx+MySQLで環境構築を完了させ、これからアプリ開発を始めようとしています。
少しページを作って表示されるか確認したところ、エラー画面になってしまい困っております。
ブラウザでhttp://localhost/にアクセスすると、502 Bad Gateway nginx/1.19.10
と表示されてしまいます。
画像を添付させていただきます。
$ docker-compose logs（webサーバーの部分のみ抜粋） docker-compose logs Attaching to remote-work-space_app_1, remote-work-space_web_1, remote-work-space_db_1 web_1 | 172.22.0.1 - - [03/Jul/2021:16:13:22 +0000] "GET / HTTP/1.1" 200 400452 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 172.22.0.1 - - [03/Jul/2021:17:19:07 +0000] "GET / HTTP/1.1" 200 400473 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 2021/07/03 17:21:11 [error] 9#9: *5 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/", host: "localhost" web_1 | 2021/07/03 17:21:11 [error] 9#9: *5 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/500.html", host: "localhost" web_1 | 172.22.0.1 - - [03/Jul/2021:17:21:11 +0000] "GET / HTTP/1.1" 502 560 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 2021/07/03 17:21:20 [error] 9#9: *4 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/", host: "localhost" web_1 | 2021/07/03 17:21:20 [error] 9#9: *4 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/500.html", host: "localhost" web_1 | 172.22.0.1 - - [03/Jul/2021:17:21:20 +0000] "GET / HTTP/1.1" 502 560 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 172.22.0.1 - - [03/Jul/2021:17:21:22 +0000] "GET / HTTP/1.1" 502 560 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 2021/07/03 17:21:22 [error] 9#9: *4 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/", host: "localhost" web_1 | 2021/07/03 17:21:22 [error] 9#9: *4 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/500.html", host: "localhost" web_1 | 2021/07/03 17:25:57 [error] 9#9: *14 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/", host: "localhost" web_1 | 2021/07/03 17:25:57 [error] 9#9: *14 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/500.html", host: "localhost" web_1 | 172.22.0.1 - - [03/Jul/2021:17:25:57 +0000] "GET / HTTP/1.1" 502 560 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 172.22.0.1 - - [03/Jul/2021:17:28:46 +0000] "GET / HTTP/1.1" 502 560 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36" web_1 | 2021/07/03 17:28:46 [error] 10#10: *2 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/", host: "localhost" web_1 | 2021/07/03 17:28:46 [error] 10#10: *2 connect() to unix:///var//www/remote-work-space/tmp/sockets/puma.sock failed (111: Connection refused) while connecting to upstream, client: 172.22.0.1, server: puma, request: "GET / HTTP/1.1", upstream: "http://unix:///var//www/remote-work-space/tmp/sockets/puma.sock:/500.html", host: "localhost"
各種設定ファイル
# Dockerfile（app用） FROM ruby:3.0.0 RUN apt-get update -qq && \ apt-get install -y build-essential libpq-dev nodejs vim RUN apt-get update && apt-get install -y curl apt-transport-https wget && \ curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \ echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \ apt-get update && apt-get install -y yarn RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - \ && apt-get install -y nodejs RUN mkdir -p /var/www/remote-work-space WORKDIR /var/www/remote-work-space ADD Gemfile /var/www/remote-work-space/Gemfile ADD Gemfile.lock /var/www/remote-work-space/Gemfile.lock RUN gem install bundler RUN bundle install ADD . /var/www/remote-work-space RUN mkdir -p tmp/sockets RUN mkdir -p tmp/pids
# containers/nginx/Dockerfile（web用） FROM nginx:1.19.10 RUN rm -f /etc/nginx/conf.d/* ADD nginx.conf /etc/nginx/conf.d/remote-work-space.conf CMD /usr/sbin/nginx -g 'daemon off;' -c /etc/nginx/nginx.conf
# containers/nginx/nginx.conf upstream puma { server unix:///var//www/remote-work-space/tmp/sockets/puma.sock; } server { listen 80; server_name puma; access_log /var/log/nginx/access.log; error_log /var/log/nginx/error.log; location ~ ^/assets/ { root /var/www/remote-work-space/public; } client_max_body_size 100m; error_page 404 /404.html; error_page 505 502 503 504 /500.html; try_files $uri/index.html $uri @remote-work-space; keepalive_timeout 5; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_pass http://puma; } }
# docker-compose.yml version: "3" services: app: build: context: . env_file: - ./environments/db.env command: bundle exec puma -C config/puma.rb volumes: - .:/var/www/remote-work-space - public-data:/var/www/remote-work-space/public - tmp-data:/var/www/remote-work-space/tmp - log-data:/var/www/remote-work-space/log depends_on: - db db: image: mysql:5.7 env_file: - ./environments/db.env volumes: - db-data:/var/lib/mysql web: build: context: containers/nginx volumes: - public-data:/var/www/remote-work-space/public - tmp-data:/var/www/remote-work-space/tmp ports: - 80:80 depends_on: - app volumes: public-data: tmp-data: log-data: db-data:
# config/puma.rb threads_count = ENV.fetch("RAILES_MAX_THREADS") { 5 }.to_i threads threads_count, threads_count port ENV.fetch("PORT") { 3000 } environment ENV.fetch("RAILES_ENV") { "development" } plugin :tmp_restart app_root = File.expand_path("../..", __FILE__) bind "unix://#{app_root}/tmp/sockets/puma.sock" stdout_redirect "#{app_root}/log/puma.stdout.log", "#{app_root}/log/puma.stderr.log"
パーミッション
$ ls -ld /var/www/remote-work-space/tmp/sockets/puma.sock → srwxrwxrwx 1 root root 0 Jul 4 05:41 /var/www/remote-work-space/tmp/sockets/puma.sock $ ls -ld /var/www/remote-work-space/tmp/sockets → drwxr-xr-x 2 root root 4096 Jul 4 05:41 /var/www/remote-work-space/tmp/sockets $ ls -ld /var/www/remote-work-space/tmp → drwxr-xr-x 7 root root 4096 Jul 3 07:49 /var/www/remote-work-space/tmp $ ls -ld /var/www/remote-work-space → drwxr-xr-x 32 root root 1024 Jul 3 15:37 /var/www/remote-work-space $ ls -ld /var/www → drwxr-xr-x 1 root root 4096 Jul 3 07:33 /var/www $ ls -ld /var → drwxr-xr-x 1 root root 4096 Jul 3 07:33 /var
以上です。
どうすれば解決できるのでしょうか。
他のteratailの投稿やQiitaなども調べましたが、なかなか解決策が見つかりません。
どなたかご教示いただけますと幸いです。
よろしくお願いいたします。
回答1件
0
自己解決
自己解決できました。
nginx.confの中で一部記載を誤っていました。
（誤）
upstream puma {
server unix:///var//www/remote-work-space/tmp/sockets/puma.sock;
}
（正）
upstream puma {
server unix:///var/www/remote-work-space/tmp/sockets/puma.sock;
}
varとwwwの間が//になってしまっていたのが原因のようでした。
投稿2021/07/04 06:44
総合スコア14
あなたの回答
tips
プレビュー
関連した質問
Q&A
AWS ECSにて、サービスで実行したタスクが3分程で停止してしまう原因がわからない
Q&A
nginxで(111: Connection refused）が出て、アクセスできないです。
Q&A
Dockerを起動しても、http://localhost:3000に接続できない
Q&A
Dockerでsqlが立ち上がらない
Q&A
nginxのwebサイトアクセス時にエラーページが表示されるが、エラーログが出力されないので原因が分からない。
Q&A
nginxで(111: Connection refused)エラーがでます。
Q&A
下記のような回答は推奨されていません。
このような回答には修正を依頼しましょう。