The original post: /r/nginx by /u/Ruben-Costa on 2024-07-16 20:55:06.

Here is the config that is stored on /etc/nginx/conf.d. Below are some logs that may or not be useful

server {
    listen 80;
    server_name localhost;

    # Improved logging
    access_log /var/log/nginx/access.log main;
    error_log /var/log/nginx/error.log warn;

    location ~* \.(eot|ttf|woff|woff2)$ {
        add_header Access-Control-Allow-Origin *;
    }

    location /api/auth/ {
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
            add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization' always;
            add_header 'Access-Control-Max-Age' 1728000 always;
            add_header 'Content-Length' 0;
            add_header 'Content-Type' 'text/plain; charset=utf-8';
            return 204;
        }

        proxy_pass http://auth:3000/api/auth/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # Cache headers (adjust caching duration as needed)
        add_header 'Cache-Control' 'public, max-age=3600' always;

        # Add CORS headers
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
    }

    location /api/data/ {
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
            add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization' always;
            add_header 'Access-Control-Max-Age' 1728000 always;
            add_header 'Content-Length' 0;
            add_header 'Content-Type' 'text/plain; charset=utf-8';
            return 204;
        }

        proxy_pass http://data:3000/api/data/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # Cache headers (adjust caching duration as needed)
        add_header 'Cache-Control' 'public, max-age=3600' always;

        # Add CORS headers
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
    }
}

This request is canceled due to CORS errors (browser)

192.168.65.1 - - [14/Jul/2024:14:38:09 +0000] "OPTIONS /api/auth/signin HTTP/1.1" 204 0 "http://localhost:19006/" "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1" "-"

Thank you in advance