304 for upload when all settings are public

Question

hello,  
this is my first time with aws.  
  
i am trying to upload image from website to S3.  
all my settings are public as fare as i understand, yet i get   
Response {type: "cors", url: "https://s-cart-x.s3.eu-central-1.amazonaws.com/", redirected: false, status: 403, ok: false, …   
  
the settings:  
  
Permissions overview  
Access  
 Public  
  
Block all public access  
 Off  
Block public access to buckets and objects granted through new access control lists (ACLs)  
 Off  
Block public access to buckets and objects granted through any access control lists (ACLs)  
 Off  
Block public access to buckets and objects granted through new public bucket or access point policies  
 Off  
Block public and cross-account access to buckets and objects through any public bucket or access point policies  
 Off

Bucket policy  
{  
    "Version": "2012-10-17",  
    "Id": "Policy1627561847500",  
    "Statement": \[  
        {  
            "Sid": "Stmt1627561827637",  
            "Effect": "Allow",  
            "Principal": "*",  
            "Action": "s3:GetObject",  
            "Resource": \[  
                "arn:aws:s3:::s-cart-x/*",  
                "arn:aws:s3:::s-cart-x"  
            ]  
        }  
    ]  
}  
  
Object ownership  
Object writer  
The object writer remains the object owner.

Cross-origin resource sharing (CORS)  
\[  
    {  
        "AllowedHeaders": \[  
            "*"  
        ],  
        "AllowedMethods": \[  
            "PUT",  
            "POST",  
            "GET",  
            "DELETE"  
        ],  
        "AllowedOrigins": \[  
            "http://localhost:3000"  
        ],  
        "ExposeHeaders": \[]  
    },  
    {  
        "AllowedHeaders": \[  
            "*"  
        ],  
        "AllowedMethods": \[  
            "PUT",  
            "POST",  
            "GET",  
            "DELETE"  
        ],  
        "AllowedOrigins": \[  
            "https://s-cart-x.herokuapp.com"  
        ],  
        "ExposeHeaders": \[]  
    }  
]  
  
help.

Answer

so this is the cors setting that fix the localhost for me  
  
\[  
    {  
        "AllowedHeaders": \[  
            "*"  
        ],  
        "AllowedMethods": \[  
            "PUT",  
            "POST",  
            "GET",  
            "DELETE"  
        ],  
        "AllowedOrigins": \[  
            "http://localhost:3000"  
        ],  
        "ExposeHeaders": \[  
            "x-amz-server-side-encryption",  
            "x-amz-request-id",  
            "x-amz-id-2",  
            "Connection",  
            "ETag"  
        ]  
    },  
    {  
        "AllowedHeaders": \[  
            "*"  
        ],  
        "AllowedMethods": \[  
            "PUT",  
            "POST",  
            "GET",  
            "DELETE"  
        ],  
        "AllowedOrigins": \[  
            "https://s-cart-x.herokuapp.com/"  
        ],  
        "ExposeHeaders": \[  
            "x-amz-server-side-encryption",  
            "x-amz-request-id",  
            "x-amz-id-2",  
            "Connection",  
            "ETag"  
        ]  
    }  
]

so by now finly s3 is working....  
it was a nightmer -

Answer

this is what solve the trick... partially  
(i cant believe amazon dont have a wizard to this.. but: )  
  
i have changes the policy   
{  
    "Version": "2012-10-17",  
    "Id": "Policy1627561847500",  
    "Statement": \[  
        {  
            "Sid": "Stmt1627561827637",  
            "Effect": "Allow",  
            "Principal": "*",  
            "Action": \[  
                "s3:GetObject",  
                "s3:GetObjectAcl",  
                "s3:GetBucketLocation",  
                "s3:ListBucket",  
                "s3:PutObject",  
                "s3:PutObjectAcl",  
                "s3:DeleteObject"  
            ],  
            "Resource": \[  
                "arn:aws:s3:::s-cart-x/*",  
                "arn:aws:s3:::s-cart-x"  
            ],  
            "Condition": {  
                "StringLike": {  
                    "aws:Referer": \[  
                        "https://shopping-cart-x.herokuapp.com/",  
                        "http://localhost:3000/seller/NewProductScreen"  
                    ]  
                }  
            }  
        }  
    ]  
}

the issue now - is that the cors AllowedOrigins have to be AllowedOrigins:"*" ...  
it fails with localhost:3000... or localhost:3000/myPath

304 for upload when all settings are public

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