From 6b6e3f0c155f12495ed4ce3ea43454e9690e8138 Mon Sep 17 00:00:00 2001
From: Djohn <djohndiller@proton.me>
Date: Sat, 7 Feb 2026 11:04:37 +0100
Subject: [PATCH] fix: download mdbook binary directly

---
 Dockerfile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index bd7a6fc..5d45f29 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,8 @@
-# Build stage - use pre-built mdbook
-FROM peaceiris/mdbook:v0.4.40 AS builder
+# Build stage
+FROM alpine:3.19 AS builder
+
+RUN apk add --no-cache curl tar
+RUN curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-musl.tar.gz | tar -xz -C /usr/local/bin
 
 WORKDIR /book
 COPY book.toml .