diff --git a/Dockerfile b/Dockerfile
index 1f0a19bc..beddcc26 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,21 +1,16 @@
-FROM ruby:3.3.5-slim-bookworm
+FROM ruby:3.3.5-alpine3.20
 
-RUN apt update && apt install -y \
-      g++ \
-      gcc \
-      make \
-      libstdc++-12-dev \
-      libffi-dev \
-      libc-dev \
-      libxml2-dev \
-      libxslt-dev \
-      libgcrypt-dev \
-      libsqlite3-dev \
-      sqlite3 \
-      # not needed for gems, but for runtime
-      git \
-      tzdata \
-      && rm -rf /var/lib/apt/lists/*
+RUN apk update \
+    && apk upgrade \
+    && apk add --no-cache --update \
+        git \
+        sqlite \
+        alpine-sdk \
+        libxml2-dev \
+        libxslt-dev \
+        tzdata \
+        bash \
+        gcompat
 
 ENV APP_HOME /hdm
 ENV RAILS_ENV production