nginx.conf.in

upstream backend {
    server 127.0.0.1:3000;
    keepalive 300;
}

upstream prerenderer {
    server 127.0.0.1:5001;
    keepalive 300;
}

server {
    listen 80;
    keepalive_requests 100000;
    gzip on;
    gzip_types application/json text/plain application/xml application/javascript;
    gzip_proxied any;
    root {STATIC_DIR};
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 15;
    {NGINX_LOGGING};
    server_tokens off;
    add_header X-Frame-Options SAMEORIGIN always;
    add_header Content-Security-Policy "{NGINX_CSP}" always;
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer" always;

    location /{NGINX_PATH}api/ {
        proxy_pass http://backend/;
        add_header Access-Control-Allow-Origin * always;
    }
    location /{NGINX_PATH}nojs/ {
        proxy_pass http://prerenderer/;
    }

    location = /{NGINX_PATH}nojs {
        return 301 " /{NGINX_PATH}nojs/";
    }
    location ~ ^/{NGINX_PATH}((tx|block|block-height|address|assets?)/|[a-zA-Z0-9]+$) {
        expires 60m;
        if ($args = "nojs") {
            {NGINX_REWRITE_NOJS};
        }
        try_files $uri /index.html;
    }
    location /{NGINX_PATH} {
        expires 60m;
        if ($args = "nojs") {
            {NGINX_REWRITE_NOJS};
        }
        {NGINX_REWRITE}
    }
    location = /{NGINX_NOSLASH_PATH} {
        if ($args = "nojs") {
            {NGINX_REWRITE_NOJS};
        }
        return 301 " /{NGINX_PATH}";
    }
    error_page 404 /{NGINX_PATH}notfound.html;
    location = /notfound.html {
        internal;
    }
}