An app to watermark PNG, JPEG and GIF files.

The watermark file can be overwritten with the WATERMARK_FILE env variable.

Requires gcc installed and GCO_ENABLED set to 1.

git clone https://github.com/sarumaj/water-maker
cd water-maker
go build -ldflags="-s -w" ./cmd/water-mark/main.go -o /usr/local/bin/water-maker