SyncGames/deploy/nginx/syncgames-s3.conf

# SyncGames S3 API — NGINX example
# Replace syncgames-s3.example.com and upstream as needed.
# Place behind Cloudflare Tunnel; do NOT put auth_basic on this vhost.

upstream syncgames_minio {
    server 127.0.0.1:9000;
    keepalive 32;
}

server {
    listen 80;
    server_name syncgames-s3.example.com;

    # Emulator dumps / large co-op packs
    client_max_body_size 512m;

    # S3 clients send unusual headers
    ignore_invalid_headers off;

    location / {
        proxy_pass http://syncgames_minio;
        proxy_http_version 1.1;
        proxy_set_header Connection "";

        # Critical for SigV4 — do not rewrite to localhost
        proxy_set_header Host $http_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;

        proxy_set_header Authorization $http_authorization;
        proxy_set_header Content-Type $content_type;
        proxy_set_header Content-Length $content_length;
        proxy_set_header Expect $http_expect;

        # Avoid truncated PUTs
        proxy_request_buffering off;
        proxy_buffering off;

        proxy_connect_timeout 60s;
        proxy_send_timeout 3600s;
        proxy_read_timeout 3600s;
    }
}