✎ Docker [ノウハウ集]

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======Docker======

=====　Dockerの再起動 =====
<code>
# service docker restart
</code>

=====　基本コマンド =====
<code>
# docker start [containar id]
# docker stop [containar id]
# docker run
# docker ps  実行中のコンテナを確認
# docker port ネットワークのポートフォワード
# docker pause コンテナの一時停止
# docker kill コンテナの終了
# docker restart コンテナの最下位
</code>

=====　イメージ操作 =====
<code>
# docker images イメージの一覧
# docker search イメージの検索
# docker pull イメージの取得
# docker rm ディスクイメージを完全に削除
# docker rmi Dockerイメージそのものを削除
# docker commit 新しいイメージとして保存
</code>

=====　shell操作 =====
<code>
# docker run -it bash
</code>

=====　整理整頓 =====
<code>
# docker system prune 使っていないコンテナやイメージを削除
</code>

=====　nextcloud =====

cd /var/nextcloud

vi docker-compose.yml

vi nginx.conf
<code>
user www-data;

events {
  worker_connections 768;
}

http {
  upstream backend {
      server app:9000;
  }
  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  server {
    listen 80;
    listen 443 ssl;
    ssl_certificate /etc/nginx/certs/server.crt;
    ssl_certificate_key /etc/nginx/certs/server.key;

    # Add headers to serve security related headers
    add_header X-Content-Type-Options nosniff;
    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-XSS-Protection "1; mode=block";
    add_header X-Robots-Tag none;
    add_header X-Download-Options noopen;
    add_header X-Permitted-Cross-Domain-Policies none;

    root /var/www/html;

    location = /robots.txt {
      allow all;
      log_not_found off;
      access_log off;
    }

    location = /.well-known/carddav {
      return 301 $scheme://$host/remote.php/dav;
    }
    location = /.well-known/caldav {
      return 301 $scheme://$host/remote.php/dav;
    }

    client_max_body_size 1G;
    fastcgi_buffers 64 4K;

    gzip off;

    index index.php;
    error_page 403 /core/templates/403.php;
    error_page 404 /core/templates/404.php;

    location / {
        rewrite ^ /index.php$uri;
    }

    location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)/ {
        deny all;
    }
    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) {
        deny all;
    }

    location ~ ^/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+|core/templates/40[34])\.php(?:$|/) {
        include fastcgi_params;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_param HTTPS on;
        #Avoid sending the security headers twice
        fastcgi_param modHeadersAvailable true;
        fastcgi_param front_controller_active true;
        fastcgi_pass backend;
        fastcgi_intercept_errors on;
        fastcgi_request_buffering off;
    }

    location ~ ^/(?:updater|ocs-provider)(?:$|/) {
        try_files $uri/ =404;
        index index.php;
    }

    # Adding the cache control header for js and css files
    # Make sure it is BELOW the PHP block
    location ~* \.(?:css|js)$ {
        try_files $uri /index.php$uri$is_args$args;
        add_header Cache-Control "public, max-age=7200";
                # Add headers to serve security related headers (It is intended to
        # have those duplicated to the ones above)
        # Before enabling Strict-Transport-Security headers please read into
        # this topic first.
        # add_header Strict-Transport-Security "max-age=15768000;
        #  includeSubDomains; preload;";
        add_header X-Content-Type-Options nosniff;
        add_header X-Frame-Options "SAMEORIGIN";
        add_header X-XSS-Protection "1; mode=block";
        add_header X-Robots-Tag none;
        add_header X-Download-Options noopen;
        add_header X-Permitted-Cross-Domain-Policies none;
        # Optional: Don't log access to assets
        access_log off;
    }

    location ~* \.(?:svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$ {
        try_files $uri /index.php$uri$is_args$args;
        # Optional: Don't log access to other assets
        access_log off;
    }
  }
}
</code>