# Enable gzip for common text-based responses.
gzip on;
gzip_vary on;

# Keep the default compression level moderate so the CPU cost stays predictable
# on small VPS instances.
gzip_comp_level 4;
gzip_min_length 256;

# This does not remove ETag or Last-Modified headers; it only controls when
# nginx may gzip requests that already passed through an intermediary proxy.
gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;

gzip_types
	application/atom+xml
	application/javascript
	application/json
	application/ld+json
	application/manifest+json
	application/rss+xml
	application/vnd.geo+json
	application/vnd.ms-fontobject
	application/wasm
	application/x-web-app-manifest+json
	application/xhtml+xml
	application/xml
	image/svg+xml
	text/css
	text/javascript
	text/plain
	text/xml
	text/vtt;

# Do not list text/html here. nginx already compresses it implicitly, and
# repeating it suggests callers need to keep the two lists in sync.