From 6f4b8a203f2d192f75297bee20980260090e542b Mon Sep 17 00:00:00 2001
From: Damien Arnodo <damien@noreply.localhost>
Date: Sun, 7 Dec 2025 17:53:06 +0000
Subject: [PATCH] docs: update README for alpine-based image

---
 images/terraform-ci/README.md | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/images/terraform-ci/README.md b/images/terraform-ci/README.md
index 3a17439..e3a6502 100644
--- a/images/terraform-ci/README.md
+++ b/images/terraform-ci/README.md
@@ -1,12 +1,17 @@
 # Terraform CI Image
 
-Image Docker pour les pipelines CI/CD Terraform.
+Image Docker minimale basée sur Alpine pour les pipelines CI/CD Terraform.
 
 ## Contenu
 
-- **Terraform** : 1.5.7
-- **tflint** : 0.54.0
-- **Outils** : git, curl, bash, jq
+| Outil | Version |
+|-------|---------|
+| Base | Alpine 3.20 |
+| Terraform | 1.5.7 |
+| tflint | 0.54.0 |
+| git, curl, bash, jq | latest |
+
+**Taille estimée** : ~60-70 MB
 
 ## Utilisation
 
@@ -30,4 +35,18 @@ jobs:
 
 ```bash
 docker build -t terraform-ci:latest .
+
+# Vérifier la taille
+docker images terraform-ci:latest
+```
+
+## Personnalisation
+
+Les versions sont configurables via build args :
+
+```bash
+docker build \
+  --build-arg TERRAFORM_VERSION=1.6.0 \
+  --build-arg TFLINT_VERSION=0.55.0 \
+  -t terraform-ci:custom .
 ```