appmasterio/stat-compressor repository overview

Docker image to help precompress static assets for faster serving via nginx static compressed files support (gzip_static / brotli_static). Every compression codec uses the best level of compression, zstd is disabled by default.

Ideal for resource constrained environments, when you can use all available CPU for compression.

Compressed file types: js, mjs, cjs, css, html, htm, xhtml, json, map, webmanifest, xml, rss, atom, svg, wasm, ico, ttf, otf, eot, txt, md, csv, tsv, yaml, yml. woff/woff2, images, video and pdf are deliberately skipped - they are already compressed internally, recompressing grows the files.

Environment variables: ENABLE_ZSTD (default false), OVERWRITE_FILES (default false). Optional first argument overrides the directory to process (default /app).

Example

docker run --rm -v /path/to/files:/app --cpus=".25" --cpu-shares=256 --memory="256m" -e ENABLE_ZSTD=false -e OVERWRITE_FILES=false appmasterio/stat-compressor

Tags: X.Y.Z / X.Y / latest, multi-arch (amd64 + arm64). Built on the free tier of Docker Hardened Images (dhi.io), no package manager in the final image, rebuilt weekly with all security updates applied.