# ©AngelaMos | 2025
# Shared HTTP configuration for dev and prod

# WebSocket upgrade handling - sets Connection to "upgrade" when Upgrade header present,
# otherwise "close" for regular HTTP requests
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

upstream backend {
    server backend:8000 max_fails=3 fail_timeout=30s;
    keepalive 32;
}

upstream frontend {
    server frontend:5173;
}

log_format main_timed '$remote_addr - $remote_user [$time_local] '
                      '"$request" $status $body_bytes_sent '
                      '"$http_referer" "$http_user_agent" '
                      'rt=$request_time uct="$upstream_connect_time" '
                      'uht="$upstream_header_time" urt="$upstream_response_time"';

limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
limit_conn_zone $binary_remote_addr zone=conn_limit:10m;