diff --git a/Dockerfile b/Dockerfile
index ea985b3..37f8e8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,6 @@
-FROM python:3.12.1
+FROM python:3.9.18-alpine3.19
 
-RUN apt-get update && \
-    apt-get install -y emacs git && \
-    apt-get autoclean && \
+RUN apk update && \
+    apk upgrade && \
     pip install 'Nikola[extras]' && \
-    pip install 'markdown' && \
-    mkdir -p ~/.emacs.d/.local/straight/build && \
-    git clone https://github.com/hniksic/emacs-htmlize.git ~/.emacs.d/.local/straight/build/htmlize
+    rm -vrf /var/cache/apk/*