gradido/deployment/bare_metal/nginx/sites-available/gradido-dlt.conf.template

    # Blockchain Explorer
    location /inspector {
        limit_req zone=frontend burst=30 nodelay;
        limit_conn addr 20;
        alias $PROJECT_ROOT/inspector/build/;
        index index.html;

        # caching rules for assets
        # static assets
        location ~* \.(?:woff2?|ttf|otf|eot|jpg|jpeg|png|gif|svg|webp|ico)$ {
            # keep assets for a week
            add_header Cache-Control "public, max-age=604800";
            try_files $uri =404;
        }
        # hashed assets
        location ~* \.(?:js|css|json)$ {
            add_header Cache-Control "public, max-age=31536000, immutable";
            try_files $uri =404;
        }

        try_files $uri $uri/ /index.html = 404;

        # don't cache index.html
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires 0;

        access_log $GRADIDO_LOG_PATH/nginx-access.inspector.log gradido_log;
        error_log $GRADIDO_LOG_PATH/nginx-error.inspector.log warn;
    }

    # Gradido-Node
    location /dlt {
        proxy_http_version 1.1;
        proxy_set_header   Upgrade $http_upgrade;
        proxy_set_header   Connection 'upgrade';
        proxy_set_header   X-Forwarded-For $remote_addr;
        proxy_set_header   X-Real-IP  $remote_addr;
        proxy_set_header   Host $host;
        
        proxy_pass         http://127.0.0.1:$DLT_NODE_SERVER_PORT/api;
        proxy_redirect     off;

        access_log $GRADIDO_LOG_PATH/nginx-access.dlt.log gradido_log;
        error_log $GRADIDO_LOG_PATH/nginx-error.dlt.log warn;
    }