nginx-app-3000.conf

nginx-app-3000.conf

upstream app_web_services {
    server 127.0.0.1:3000;
}

server {
    listen 80;
    root  /app/public;

    gzip on;
    gzip_types text/plain text/xml application/xml application/xml+rss
    text/css text/javascript application/javascript application/json;


    error_page 551 =503 @maintenance;
    location @maintenance {
        rewrite ^(.*)$ /system/maintenance.html break;
    }
    set $maintenance 0;
    if (-f $document_root/system/maintenance.html) {
        set $maintenance 1;
    }
    if ($request_uri = /favicon.ico) {
        # Browsers will try to get favicon if it's not returned with 200ok status
        set $maintenance 0;
    }
    if ($maintenance) {
        # There can be several reasons for 503 error. We custom return 551 error
        # to ensure maintenance.html is only shown when it's really maintenance
        return 551;
    }

    rewrite ^/(.*)/$ /$1 permanent; # Truncate trailing slashes
    try_files $uri @rails;

    expires -1;

    location = /favicon.ico {
        try_files $uri =204;
        access_log off;
        log_not_found off;
    }

    location @rails {
        proxy_pass http://app_web_services;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_intercept_errors on;
        expires -1;
    }

    error_page 500 502 503 504 /500.html;
    error_page 403 /403.html;
    error_page 404 /404.html;

    client_max_body_size 50M;
    keepalive_timeout 10;
}