Our nginx server returning CORS policy error, need to fix

I have 7+ years of experience and knowledge as a system administrator setup and management of different Linux Web Hosting Servers, Cloud Servers, Server Monitoring, Server Security, Server Optimisation, deployment of codes on Git, Mailing Servers, Email Marketing, SSL, DNS, Apache, Nginx, etc with Cpanel, Plesk, Virtualmin or other panels.
services such as cPanel/WHM, Plesk, Virtualmin LAMP Stack, Tomcat, Mysql/MariaDB, Zimbra, Postfix mail server, Mailenable, smarter mail, MSSQL, etc. I have hands-on experience with data centers and cloud providers such as AWS, GCP, DigitalOcean, Rackspace, Hostgator, Bluehost, and Dreamhost. I have a long time experience in managing complicated hosting environments and have solid skills in live migrations, tuning, and performance optimizations over Linux OS I provide so prompt project delivery, thus I perform my responsibilities precisely and with scrupulous attention. I'm sure that my vast experience and knowledge will be of great help to you in your project and I am confident that I can deliver a top-notch result. Please feel free to contact me if you would like to discuss further or need any other information regarding my profile. Thank you for considering me for this opportunity!

Hello. I would like to help you with corps settings on mginx. I have experience. Please read my feedbacks. Thanks.

I have more than 10 years’ experienced in Development. As I am expert, I can build it according to your requirements. Because I have a lot of the experiences about these fields, I can build your project as soon as possible perfectly. I offer excellent software quality work and provide the best support on your project. If you give me this job, I will do my best to finish your job until your timeline. Ready to discuss with you about the task now. Thank you for the reading.

Hello Bulgan B., We went through your project description & I am very interesting in your job and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on PHP Regards Thank You

Hello there! I am Oleksandr, a productive Full-Stack Developer with a passion for change and breaking previous records. I have extensive experience in leading teams and building strong relationships. I understand that your nginx server is returning CORS policy error, and you are looking for someone to help you fix it. If you give me access to your teamviewer account, I can demonstrate how my config works on the server to prove my ability to resolve this issue. I believe I would be the best fit for this project because of my strong experience in Full-Stack Development, Linux and Nginx specifically. This combination makes me uniquely qualified to tackle this project - especially since flutter web is working on your server but trying to load images from AWS and videos from YouTube with facing CORS errors.

⭐ Hello Bulgan B., I've read the job description and thought that I am a great fit for this job. I am a proficient developer with 7 years of hands-on experience, and I can definitely meet any requirements of my clients. I have rich experience in PHP, Linux, Nginx. I always strive to do the job right the first time so there is no need for you to worry about getting poor quality from me. Please contact me for more details via chat. Looking forward to hearing from you. Best regards

Dear Sir, I've read your project description carefully, and it seems like you're looking for a professional developer who has expertise in Web/Mobile App Development. It's me! As an experienced software engineer, I have confidence in your project cause my skills are excellently matched to your requirements. Perhaps you received a lot of proposals where everyone said "I'm an expert in this field. I can do this!" Yes. Like everyone else, I have rich experience in this field and believe that you can surely get what you want if you choose me.? Of course, budget is an important problem for developers. However, what I want is not money, just good trust and a long-term relationship. Credit first. Looking forward to discussing further about your project in detail. Thank you. Ensar.

Hello there, How are you? I'm a senior developer with 9 years of experience in Linux, Nginx and PHP. I am interested in your project. please contact me and let's discuss more in detail. Thanks and Regards