From ba22c9f42f7680ba9862af3ca508f863782813a3 Mon Sep 17 00:00:00 2001
From: Nico Verbruggen <mail@nicoverbruggen.be>
Date: Sat, 14 Mar 2026 12:45:47 +0100
Subject: [PATCH] Install zip, upgrade pip

---
 Dockerfile | 4 +++-
 README.md  | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index c3bd030..138f8ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,11 @@
 FROM python:3.12-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    fontforge ttfautohint \
+    fontforge ttfautohint zip \
     && rm -rf /var/lib/apt/lists/*
 
+RUN pip install --upgrade pip
+
 RUN pip install --no-cache-dir fonttools
 
 WORKDIR /build
diff --git a/README.md b/README.md
index c6fef37..7cb97aa 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # fntbld-oci
 
-A container image with font-building tools pre-installed:
+A Debian-based container image with font-building tools pre-installed:
 
 - **FontForge** — scriptable font editor
 - **ttfautohint** — auto-hinter for TrueType fonts