From 47bcbe481f51d20555209768fcf8a9242a478be7 Mon Sep 17 00:00:00 2001
From: Michael Grote <michael.grote@posteo.de>
Date: Fri, 3 Nov 2023 11:52:00 +0100
Subject: [PATCH] move to alpine

---
 Dockerfile | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 20002d5..30d7683 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,15 @@
-FROM ubuntu:focal
-
-ENV DEBIAN_FRONTEND=noninteractive
-
-# hadolint ignore=DL3008,DL3028
-RUN apt-get update && \
-	apt-get -y --no-install-recommends install \
-		build-essential \
-		wget \
-		rsync \
-		openssh-client \
-		ca-certificates \
-		debhelper \
-		git \
-		curl \
-		yamllint \
-	&& apt-get clean && \
-	rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/*
+# hadolint ignore=DL3007
+FROM alpine:latest
+# hadolint ignore=DL3018
+RUN apk update --no-cache && \
+    apk add --no-cache \
+				build-essential \
+				wget \
+				rsync \
+				openssh-client \
+				ca-certificates \
+				debhelper \
+				git \
+				curl \
+				yamllint \
+				bash \