EOS Light History API configuration in nginx

default

#############
# File Location: /etc/nginx/sites-enabled/default
#############

# The Light EOS History API
upstream nodeos-lighthistory {
    server 127.0.0.1:8888 fail_timeout=15s;
}

# The Full EOS History API
upstream nodeos-fullhistory {
    server eos.greymass.com fail_timeout=15s;
}

server {
    listen 80;
    server_name _;
    root /var/www/html/;

    access_log off;

    keepalive_timeout 120;
    keepalive_requests 50000;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;

    include /etc/nginx/proxy_headers.conf;

    location / {
        include /etc/nginx/proxy_headers.conf;
        proxy_intercept_errors on;
        error_page 416 = @history_failover;
        proxy_pass http://nodeos-lighthistory;
    }

    location @history_failover {
        include /etc/nginx/proxy_headers.conf;
        proxy_next_upstream error timeout invalid_header;
        proxy_pass http://nodeos-fullhistory;
    }
}

headers

#############
# File Location: /etc/nginx/proxy_headers.conf
#############

add_header 'Access-Control-Allow-Origin' '*' always;
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
add_header 'Access-Control-Allow-Headers' 'X-Requested-With,Accept,Content-Type,Origin' always;
add_header Host $host;
add_header Upgrade $http_upgrade;
add_header X-Cached $upstream_cache_status always;
proxy_hide_header 'Access-Control-Allow-Origin';
proxy_hide_header 'Access-Control-Allow-Headers';
proxy_hide_header 'Via';