From d9e318ac15234038185b443dddc7e505589f9aaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gim=C3=A9nez=20Silva=20Germ=C3=A9n=20Alberto?=
 <ggerman@gmail.com>
Date: Wed, 21 Jan 2026 08:15:44 -0300
Subject: [PATCH] install instructions

---
 README.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/README.md b/README.md
index c71fdc7..32ca37d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,21 @@
 # imprint
 Secure, signed image rendering for Rails
+
+## Installation
+
+### System dependencies
+
+```bash
+Ubuntu:
+sudo apt install libgd-dev
+```
+
+macOS:
+```bash
+brew install gd
+```
+
+### Gemfile
+```bash
+gem 'imprint'
+```
\ No newline at end of file