# -----------------------------------------------------------------------
# nginx X-Accel-Redirect for artwork original file downloads
#
# Problem: PHP streams the file body through FPM → nginx, causing
#   "[warn] upstream response is buffered to a temporary file"
#   for large downloads because FastCGI buffers are too small.
#
# Solution: PHP sets X-Accel-Redirect, nginx serves the file body
#   directly from disk — FPM is only used for the header response.
#
# Setup:
#   1. Set DOWNLOAD_ACCEL_PATH=/internal/originals in .env (production).
#   2. Include this file inside your server {} block:
#        include /etc/nginx/conf.d/download-accel.conf;
#   3. Make sure the nginx worker has read access to the originals path.
#
# The /internal/originals prefix MUST match DOWNLOAD_ACCEL_PATH in .env.
# The alias path MUST match ARTWORKS_LOCAL_ORIGINALS_ROOT on the server.
# -----------------------------------------------------------------------

location /internal/originals/ {
    # Block direct client access — only X-Accel-Redirect headers trigger this.
    internal;

    # Replace this with the actual absolute path to artwork originals on disk.
    # Typically: /var/www/skinbase/storage/originals  or  /var/www/skinbase/public/files/originals
    alias /var/www/skinbase/public/files/originals/;

    # Let nginx send the file efficiently with sendfile + tcp_nopush.
    sendfile        on;
    tcp_nopush      on;
    tcp_nodelay     on;

    # No nginx-level caching for download responses (private files).
    add_header Cache-Control "private, no-store";
}