diff --git a/challenges/shrink-the-image/Dockerfile b/challenges/shrink-the-image/Dockerfile
index 1ac445d..d9c0856 100644
--- a/challenges/shrink-the-image/Dockerfile
+++ b/challenges/shrink-the-image/Dockerfile
@@ -1,15 +1,12 @@
-FROM python:3.13
-
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    git \
-    vim
+FROM python:3.13-alpine
 
 WORKDIR /app
 COPY . .
 
-RUN pip install -r requirements.txt -r requirements-dev.txt
+RUN pip install -r requirements.txt
+
+RUN adduser -D shrink
+USER shrink
 
 EXPOSE 8000
 CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "2", "app:app"]